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* ssb: Use dev_driver_string() instead of pci_dev->driver->nameUwe Kleine-König2021-10-131-5/+1
| | | | | | | | | | | | | | All drivers that use ssb_pcihost_probe(), i.e., b43_pci_bridge_driver and b44_pci_driver, set the pci_driver.name, and __pci_register_driver() sets the struct driver.name member to the same value. Replace dev->driver_name() by dev_driver_string() for the corresponding struct device. This is a step toward removing pci_dev->driver. Link: https://lore.kernel.org/r/20211004125935.2300113-7-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Michael Büsch <m@bues.ch>
* bus: Make remove callback return voidUwe Kleine-König2021-07-211-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver core ignores the return value of this callback because there is only little it can do when a device disappears. This is the final bit of a long lasting cleanup quest where several buses were converted to also return void from their remove callback. Additionally some resource leaks were fixed that were caused by drivers returning an error code in the expectation that the driver won't go away. With struct bus_type::remove returning void it's prevented that newly implemented buses return an ignored error code and so don't anticipate wrong expectations for driver authors. Reviewed-by: Tom Rix <trix@redhat.com> (For fpga) Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> (For drivers/s390 and drivers/vfio) Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> (For ARM, Amba and related parts) Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Chen-Yu Tsai <wens@csie.org> (for sunxi-rsb) Acked-by: Pali Rohár <pali@kernel.org> Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> (for media) Acked-by: Hans de Goede <hdegoede@redhat.com> (For drivers/platform) Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Juergen Gross <jgross@suse.com> (For xen) Acked-by: Lee Jones <lee.jones@linaro.org> (For mfd) Acked-by: Johannes Thumshirn <jth@kernel.org> (For mcb) Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> (For slimbus) Acked-by: Kirti Wankhede <kwankhede@nvidia.com> (For vfio) Acked-by: Maximilian Luz <luzmaximilian@gmail.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> (For ulpi and typec) Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> (For ipack) Acked-by: Geoff Levand <geoff@infradead.org> (For ps3) Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> (For thunderbolt) Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> (For intel_th) Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> (For pcmcia) Acked-by: Rafael J. Wysocki <rafael@kernel.org> (For ACPI) Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> (rpmsg and apr) Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> (For intel-ish-hid) Acked-by: Dan Williams <dan.j.williams@intel.com> (For CXL, DAX, and NVDIMM) Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com> (For isa) Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (For firewire) Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> (For hid) Acked-by: Thorsten Scherer <t.scherer@eckelmann.de> (For siox) Acked-by: Sven Van Asbroeck <TheSven73@gmail.com> (For anybuss) Acked-by: Ulf Hansson <ulf.hansson@linaro.org> (For MMC) Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Finn Thain <fthain@linux-m68k.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20210713193522.1770306-6-u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ssb: use DEVICE_ATTR_ADMIN_RW() helper macroZhen Lei2021-06-152-18/+14
| | | | | | | | | | | | Use DEVICE_ATTR_ADMIN_RW() helper macro instead of DEVICE_ATTR(), making it simpler and easier to read. Because the read and write function names of the sysfs attribute have been normalized, there is a natural association. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210603082218.11718-2-thunder.leizhen@huawei.com
* ssb: remove unreachable codeTian Tao2021-06-151-3/+1
| | | | | | | | | | The return value of ssb_bus_unregister can only be 0 or -1, so this condition if (err == -EBUSY) will not hold, so delete it. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1621306352-3632-1-git-send-email-tiantao6@hisilicon.com
* ssb: sdio: Don't overwrite const buffer if block_write failsMichael Büsch2021-06-151-1/+0
| | | | | | | | | | | | It doesn't make sense to clobber the const driver-side buffer, if a write-to-device attempt failed. All other SSB variants (PCI, PCMCIA and SoC) also don't corrupt the buffer on any failure in block_write. Therefore, remove this memset from the SDIO variant. Signed-off-by: Michael Büsch <m@bues.ch> Cc: stable@vger.kernel.org Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210515210252.318be2ba@wiggum
* ssb: Fix error return code in ssb_bus_scan()Zhen Lei2021-06-151-0/+1
| | | | | | | | | | | | Fix to return -EINVAL from the error handling case instead of 0, as done elsewhere in this function. Fixes: 61e115a56d1a ("[SSB]: add Sonics Silicon Backplane bus support") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210515072949.7151-1-thunder.leizhen@huawei.com
* ssb: Remove redundant assignment to errYang Li2021-06-151-2/+0
| | | | | | | | | | | | | | | | | | | Variable 'err' is set to zero but this value is never read as it is overwritten with a new value later on, hence it is a redundant assignment and can be removed. Clean up the following clang-analyzer warning: drivers/ssb/main.c:1306:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] drivers/ssb/main.c:1312:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1619693230-108804-1-git-send-email-yang.lee@linux.alibaba.com
* ssb: Fix indentation of commentShubhankar Kuranagatti2021-06-151-10/+20
| | | | | | | | | | Shifted the closing */ to the next line This is done to maintain code uniformity. Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Shubhankar Kuranagatti <shubhankarvk@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210428162907.bn5q3oh3sji6wlh4@kewl-virtual-machine
* ssb: pcicore: Fix indentation of commentShubhankar Kuranagatti2021-06-151-6/+12
| | | | | | | | | | Shifted the closing */ to the next line This is done to maintain code uniformity. Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Shubhankar Kuranagatti <shubhankarvk@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210428161836.sdrxzcrfiekloucz@kewl-virtual-machine
* ssb: gpio: Fix alignment of commentShubhankar Kuranagatti2021-06-151-2/+4
| | | | | | | | | | The closing */ has been shifted to a new line This is done to maintain code uniformity. Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Shubhankar Kuranagatti <shubhankarvk@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210428160747.qy23g6zpmheiacpl@kewl-virtual-machine
* ssb: Remove meaningless jump label to simplify the codeJing Xiangfeng2020-09-211-6/+1
| | | | | | | | The out jump label has nothing to do. So remove it to simplify the code. Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200915020330.96067-1-jingxiangfeng@huawei.com
* treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva2020-08-243-3/+3
| | | | | | | | | | Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextLinus Torvalds2020-08-063-4/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan. 2) Support UDP segmentation in code TSO code, from Eric Dumazet. 3) Allow flashing different flash images in cxgb4 driver, from Vishal Kulkarni. 4) Add drop frames counter and flow status to tc flower offloading, from Po Liu. 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni. 6) Various new indirect call avoidance, from Eric Dumazet and Brian Vazquez. 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from Yonghong Song. 8) Support querying and setting hardware address of a port function via devlink, use this in mlx5, from Parav Pandit. 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson. 10) Switch qca8k driver over to phylink, from Jonathan McDowell. 11) In bpftool, show list of processes holding BPF FD references to maps, programs, links, and btf objects. From Andrii Nakryiko. 12) Several conversions over to generic power management, from Vaibhav Gupta. 13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry Yakunin. 14) Various https url conversions, from Alexander A. Klimov. 15) Timestamping and PHC support for mscc PHY driver, from Antoine Tenart. 16) Support bpf iterating over tcp and udp sockets, from Yonghong Song. 17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov. 18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan. 19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several drivers. From Luc Van Oostenryck. 20) XDP support for xen-netfront, from Denis Kirjanov. 21) Support receive buffer autotuning in MPTCP, from Florian Westphal. 22) Support EF100 chip in sfc driver, from Edward Cree. 23) Add XDP support to mvpp2 driver, from Matteo Croce. 24) Support MPTCP in sock_diag, from Paolo Abeni. 25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic infrastructure, from Jakub Kicinski. 26) Several pci_ --> dma_ API conversions, from Christophe JAILLET. 27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel. 28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki. 29) Refactor a lot of networking socket option handling code in order to avoid set_fs() calls, from Christoph Hellwig. 30) Add rfc4884 support to icmp code, from Willem de Bruijn. 31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei. 32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin. 33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin. 34) Support TCP syncookies in MPTCP, from Flowian Westphal. 35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano Brivio. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits) net: thunderx: initialize VF's mailbox mutex before first usage usb: hso: remove bogus check for EINPROGRESS usb: hso: no complaint about kmalloc failure hso: fix bailout in error case of probe ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM selftests/net: relax cpu affinity requirement in msg_zerocopy test mptcp: be careful on subflow creation selftests: rtnetlink: make kci_test_encap() return sub-test result selftests: rtnetlink: correct the final return value for the test net: dsa: sja1105: use detected device id instead of DT one on mismatch tipc: set ub->ifindex for local ipv6 address ipv6: add ipv6_dev_find() net: openvswitch: silence suspicious RCU usage warning Revert "vxlan: fix tos value before xmit" ptp: only allow phase values lower than 1 period farsync: switch from 'pci_' to 'dma_' API wan: wanxl: switch from 'pci_' to 'dma_' API hv_netvsc: do not use VF device if link is down dpaa2-eth: Fix passing zero to 'PTR_ERR' warning net: macb: Properly handle phylink on at91sam9x ...
| * ssb: Replace HTTP links with HTTPS onesAlexander A. Klimov2020-07-153-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200710062151.28871-1-grandmaster@al2klimov.de
* | treewide: Remove uninitialized_var() usageKees Cook2020-07-161-2/+2
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using uninitialized_var() is dangerous as it papers over real bugs[1] (or can in the future), and suppresses unrelated compiler warnings (e.g. "unused variable"). If the compiler thinks it is uninitialized, either simply initialize the variable or make compiler changes. In preparation for removing[2] the[3] macro[4], remove all remaining needless uses with the following script: git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \ xargs perl -pi -e \ 's/\buninitialized_var\(([^\)]+)\)/\1/g; s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;' drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid pathological white-space. No outstanding warnings were found building allmodconfig with GCC 9.3.0 for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64, alpha, and m68k. [1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/ [2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/ [3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/ [4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/ Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5 Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs Signed-off-by: Kees Cook <keescook@chromium.org>
* ssb: scan: fix block comments coding style issuesJohn Oldman2020-04-281-2/+4
| | | | | | | | Fixed coding style issues Signed-off-by: John Oldman <john.oldman@polehill.co.uk> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200425155233.19624-1-john.oldman@polehill.co.uk
* ssb: sprom: fix block comments coding style issuesJohn Oldman2020-04-281-4/+8
| | | | | | | | Fixed coding style issues Signed-off-by: John Oldman <john.oldman@polehill.co.uk> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200424175043.16261-1-john.oldman@polehill.co.uk
* ssb: Use scnprintf() for avoiding potential buffer overflowTakashi Iwai2020-03-121-2/+2
| | | | | | | | | Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig2020-01-062-4/+4
| | | | | | | | ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* ssb: make array pwr_info_offset static const, makes object smallerColin Ian King2019-09-131-1/+1
| | | | | | | | | | | | | | | | | | | Don't populate the array pwr_info_offset on the stack but instead make it static const. Makes the object code smaller by 207 bytes. Before: text data bss dec hex filename 26066 3000 64 29130 71ca drivers/ssb/pci.o After: text data bss dec hex filename 25763 3096 64 28923 70fb drivers/ssb/pci.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb/gpio: Remove unnecessary WARN_ON from driver_gpioMichael Büsch2019-06-251-6/+0
| | | | | | | | | The WARN_ON triggers on older BCM4401-B0 100Base-TX ethernet controllers. The warning serves no purpose. So let's just remove it. Reported-by: H Buus <ubuntu@hbuus.com> Signed-off-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-211-0/+1
| | | | | | | | | | | | | | Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2019-05-081-2/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: "Highlights: 1) Support AES128-CCM ciphers in kTLS, from Vakul Garg. 2) Add fib_sync_mem to control the amount of dirty memory we allow to queue up between synchronize RCU calls, from David Ahern. 3) Make flow classifier more lockless, from Vlad Buslov. 4) Add PHY downshift support to aquantia driver, from Heiner Kallweit. 5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces contention on SLAB spinlocks in heavy RPC workloads. 6) Partial GSO offload support in XFRM, from Boris Pismenny. 7) Add fast link down support to ethtool, from Heiner Kallweit. 8) Use siphash for IP ID generator, from Eric Dumazet. 9) Pull nexthops even further out from ipv4/ipv6 routes and FIB entries, from David Ahern. 10) Move skb->xmit_more into a per-cpu variable, from Florian Westphal. 11) Improve eBPF verifier speed and increase maximum program size, from Alexei Starovoitov. 12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit spinlocks. From Neil Brown. 13) Allow tunneling with GUE encap in ipvs, from Jacky Hu. 14) Improve link partner cap detection in generic PHY code, from Heiner Kallweit. 15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan Maguire. 16) Remove SKB list implementation assumptions in SCTP, your's truly. 17) Various cleanups, optimizations, and simplifications in r8169 driver. From Heiner Kallweit. 18) Add memory accounting on TX and RX path of SCTP, from Xin Long. 19) Switch PHY drivers over to use dynamic featue detection, from Heiner Kallweit. 20) Support flow steering without masking in dpaa2-eth, from Ioana Ciocoi. 21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri Pirko. 22) Increase the strict parsing of current and future netlink attributes, also export such policies to userspace. From Johannes Berg. 23) Allow DSA tag drivers to be modular, from Andrew Lunn. 24) Remove legacy DSA probing support, also from Andrew Lunn. 25) Allow ll_temac driver to be used on non-x86 platforms, from Esben Haabendal. 26) Add a generic tracepoint for TX queue timeouts to ease debugging, from Cong Wang. 27) More indirect call optimizations, from Paolo Abeni" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits) cxgb4: Fix error path in cxgb4_init_module net: phy: improve pause mode reporting in phy_print_status dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings net: macb: Change interrupt and napi enable order in open net: ll_temac: Improve error message on error IRQ net/sched: remove block pointer from common offload structure net: ethernet: support of_get_mac_address new ERR_PTR error net: usb: smsc: fix warning reported by kbuild test robot staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check net: dsa: support of_get_mac_address new ERR_PTR error net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats vrf: sit mtu should not be updated when vrf netdev is the link net: dsa: Fix error cleanup path in dsa_init_module l2tp: Fix possible NULL pointer dereference taprio: add null check on sched_nest to avoid potential null pointer dereference net: mvpp2: cls: fix less than zero check on a u32 variable net_sched: sch_fq: handle non connected flows net_sched: sch_fq: do not assume EDT packets are ordered net: hns3: use devm_kcalloc when allocating desc_cb net: hns3: some cleanup for struct hns3_enet_ring ...
| * ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exitYueHaibing2019-04-251-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Syzkaller report this: kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 0 PID: 4492 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #45 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 RIP: 0010:sysfs_remove_file_ns+0x27/0x70 fs/sysfs/file.c:468 Code: 00 00 00 41 54 55 48 89 fd 53 49 89 d4 48 89 f3 e8 ee 76 9c ff 48 8d 7d 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 2d 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 8b 6d RSP: 0018:ffff8881e9d9fc00 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffff900367e0 RCX: ffffffff81a95952 RDX: 0000000000000006 RSI: ffffc90001405000 RDI: 0000000000000030 RBP: 0000000000000000 R08: fffffbfff1fa22ed R09: fffffbfff1fa22ed R10: 0000000000000001 R11: fffffbfff1fa22ec R12: 0000000000000000 R13: ffffffffc1abdac0 R14: 1ffff1103d3b3f8b R15: 0000000000000000 FS: 00007fe409dc1700(0000) GS:ffff8881f1200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d721000 CR3: 00000001e98b6005 CR4: 00000000007606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: sysfs_remove_file include/linux/sysfs.h:519 [inline] driver_remove_file+0x40/0x50 drivers/base/driver.c:122 pcmcia_remove_newid_file drivers/pcmcia/ds.c:163 [inline] pcmcia_unregister_driver+0x7d/0x2b0 drivers/pcmcia/ds.c:209 ssb_modexit+0xa/0x1b [ssb] __do_sys_delete_module kernel/module.c:1018 [inline] __se_sys_delete_module kernel/module.c:961 [inline] __x64_sys_delete_module+0x3dc/0x5e0 kernel/module.c:961 do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x462e99 Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe409dc0c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000b0 RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000462e99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe409dc16bc R13: 00000000004bccaa R14: 00000000006f6bc8 R15: 00000000ffffffff Modules linked in: ssb(-) 3c59x nvme_core macvlan tap pata_hpt3x3 rt2x00pci null_blk tsc40 pm_notifier_error_inject notifier_error_inject mdio cdc_wdm nf_reject_ipv4 ath9k_common ath9k_hw ath pppox ppp_generic slhc ehci_platform wl12xx wlcore tps6507x_ts ioc4 nf_synproxy_core ide_gd_mod ax25 can_dev iwlwifi can_raw atm tm2_touchkey can_gw can sundance adp5588_keys rt2800mmio rt2800lib rt2x00mmio rt2x00lib eeprom_93cx6 pn533 lru_cache elants_i2c ip_set nfnetlink gameport tipc hampshire nhc_ipv6 nhc_hop nhc_udp nhc_fragment nhc_routing nhc_mobility nhc_dest 6lowpan silead brcmutil nfc mt76_usb mt76 mac80211 iptable_security iptable_raw iptable_mangle iptable_nat nf_nat_ipv4 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bpfilter ip6_vti ip_gre sit hsr veth vxcan batman_adv cfg80211 rfkill chnl_net caif nlmon vcan bridge stp llc ip6_gre ip6_tunnel tunnel6 tun joydev mousedev serio_raw ide_pci_generic piix floppy ide_core sch_fq_codel ip_tables x_tables ipv6 [last unloaded: 3c59x] Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 3913cbf8011e1c05 ]--- In ssb_modinit, it does not fail SSB init when ssb_host_pcmcia_init failed, however in ssb_modexit, ssb_host_pcmcia_exit calls pcmcia_unregister_driver unconditionally, which may tigger a NULL pointer dereference issue as above. Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: 399500da18f7 ("ssb: pick PCMCIA host code support from b43 driver") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* | drivers: Remove explicit invocations of mmiowb()Will Deacon2019-04-082-5/+0
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | mmiowb() is now implied by spin_unlock() on architectures that require it, so there is no reason to call it from driver code. This patch was generated using coccinelle: @mmiowb@ @@ - mmiowb(); and invoked as: $ for d in drivers include/linux/qed sound; do \ spatch --include-headers --sp-file mmiowb.cocci --dir $d --in-place; done NOTE: mmiowb() has only ever guaranteed ordering in conjunction with spin_unlock(). However, pairing each mmiowb() removal in this patch with the corresponding call to spin_unlock() is not at all trivial, so there is a small chance that this change may regress any drivers incorrectly relying on mmiowb() to order MMIO writes between CPUs using lock-free synchronisation. If you've ended up bisecting to this commit, you can reintroduce the mmiowb() calls using wmb() instead, which should restore the old behaviour on all architectures other than some esoteric ia64 systems. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
* ssb: chipcommon: fix fall-through annotationGustavo A. R. Silva2018-10-051-1/+1
| | | | | | | | | | | Replace "Fallthough" with a proper "fall through" annotation. This fix is part of the ongoing efforts to enabling -Wimplicit-fallthrough Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Michael Buesch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: Remove SSB_WARN_ON, SSB_BUG_ON and SSB_DEBUGMichael Büsch2018-08-0913-92/+63
| | | | | | | | | | | Use the standard WARN_ON instead. If a small kernel is desired, WARN_ON can be disabled globally. Also remove SSB_DEBUG. Besides WARN_ON it only adds a tiny debug check. Include this check unconditionally. Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: Remove home-grown printk wrappersMichael Büsch2018-08-0919-189/+152
| | | | | | | | | | | | | Replace the ssb printk wrappers by standard print helpers. Also remove SSB_SILENT. Nobody should use it anyway. Originally submitted by Joe Perches <joe@perches.com>. Modified to add dev_... based printks. Signed-off-by: Michael Buesch <m@bues.ch> Tested-by: Michael Buesch <m@bues.ch> Cc: Joe Perches <joe@perches.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: driver_gige: use true and false for boolean valuesGustavo A. R. Silva2018-08-091-1/+1
| | | | | | | | | | | Return statements in functions returning bool should use true or false instead of an integer value. This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Michael Buesch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: make SSB_PCICORE_HOSTMODE depend on SSB = yRafał Miłecki2018-05-121-1/+1
| | | | | | | | | | | | | | | | SSB_PCICORE_HOSTMODE protects MIPS specific code that calls not exported symbols pcibios_enable_device and register_pci_controller. This code is supposed to be compiled only with ssb builtin. This fixes: ERROR: "pcibios_enable_device" [drivers/ssb/ssb.ko] undefined! ERROR: "register_pci_controller" [drivers/ssb/ssb.ko] undefined! make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1 Reported-by: Matt Redfearn <matt.redfearn@mips.com> Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Revert "ssb: Prevent build of PCI host features in module"Rafał Miłecki2018-05-121-1/+1
| | | | | | | | | | | | | | | | This reverts commit 882164a4a928bcaa53280940436ca476e6b1db8e. Above commit added "SSB = y" dependency to the wrong symbol SSB_DRIVER_PCICORE_POSSIBLE and prevented SSB_DRIVER_PCICORE from being selected when needed. PCI core driver for core running in clienthost mode is important for bus initialization. It's perfectly valid scenario to have ssb built as module and use it with buses on PCI cards. This fixes regression that affected all *module* users with PCI cards. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1572349 Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: use put_device() if device_register failArvind Yadav2018-03-131-1/+1
| | | | | | | | | Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: Prevent build of PCI host features in moduleMatt Redfearn2018-02-281-1/+1
| | | | | | | | | | | | | | | Attempting to build ssb.ko with CONFIG_SSB_DRIVER_PCICORE=y results in a build error due to use of symbols not exported from vmlinux: ERROR: "pcibios_enable_device" [drivers/ssb/ssb.ko] undefined! ERROR: "register_pci_controller" [drivers/ssb/ssb.ko] undefined! make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1 To prevent this, don't allow the host mode feature to be built if CONFIG_SSB=m Signed-off-by: Matt Redfearn <matt.redfearn@mips.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: return boolean instead of integer in ssb_dma_translation_special_bitGustavo A. R. Silva2018-02-271-1/+1
| | | | | | | | | | Return statements in functions returning bool should use true/false instead of 1/0. This issue was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.gitKalle Valo2018-02-011-1/+1
|\ | | | | | | | | The last pull request didn't make it to v4.15 (I was too late) so pull it to wireless-drivers-next.git instead so that it can go to v4.16.
| * ssb: Do not disable PCI host on non-MipsSven Joachim2018-01-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | After upgrading an old laptop to 4.15-rc9, I found that the eth0 and wlan0 interfaces had disappeared. It turns out that the b43 and b44 drivers require SSB_PCIHOST_POSSIBLE which depends on PCI_DRIVERS_LEGACY, a config option that only exists on Mips. Fixes: 58eae1416b80 ("ssb: Disable PCI host for PCI_DRIVERS_GENERIC") Cc: stable@vger.org Signed-off-by: Sven Joachim <svenjoac@gmx.de> Reviewed-by: James Hogan <jhogan@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2018-01-201-1/+1
|\| | | | | | | | | | | | | | | | | | | | | The BPF verifier conflict was some minor contextual issue. The TUN conflict was less trivial. Cong Wang fixed a memory leak of tfile->tx_array in 'net'. This is an skb_array. But meanwhile in net-next tun changed tfile->tx_arry into tfile->tx_ring which is a ptr_ring. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ssb: Disable PCI host for PCI_DRIVERS_GENERICJames Hogan2018-01-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit d41e6858ba58 ("MIPS: Kconfig: Set default MIPS system type as generic") changed the default MIPS platform to the "generic" platform, which uses PCI_DRIVERS_GENERIC instead of PCI_DRIVERS_LEGACY, various files in drivers/ssb/ have failed to build. This is particularly due to the existence of struct pci_controller being dependent on PCI_DRIVERS_LEGACY since commit c5611df96804 ("MIPS: PCI: Introduce CONFIG_PCI_DRIVERS_LEGACY"), so add that dependency to Kconfig to prevent these files being built for the "generic" platform including all{yes,mod}config builds. Fixes: c5611df96804 ("MIPS: PCI: Introduce CONFIG_PCI_DRIVERS_LEGACY") Signed-off-by: James Hogan <jhogan@kernel.org> Cc: Michael Buesch <m@bues.ch> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: linux-wireless@vger.kernel.org Cc: linux-mips@linux-mips.org Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* | ssb: make SSB a menuconfig to ease disabling it allVincent Legoll2017-12-071-5/+4
|/ | | | | | | | | | | | | | | No need to get into the submenu to disable all SSB-related config entries. This makes it easier to disable all SSB config options without entering the submenu. It will also enable one to see that en/dis-abled state from the outside menu. This is only intended to change menuconfig UI, not change the config dependencies. Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman2017-11-022-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ssb: Delete an error message for a failed memory allocation in ↵Markus Elfring2017-05-241-1/+0
| | | | | | | | | | | | | ssb_devices_register() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Michael Büsch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: Fix error routine when fallback SPROM failsLarry Finger2016-11-171-0/+1
| | | | | | | | | | When there is a CRC error in the SPROM read from the device, the code attempts to handle a fallback SPROM. When this also fails, the driver returns zero rather than an error code. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* SSB: Change bare unsigned to unsigned int to suit coding styleHugh Sipière2016-07-061-11/+11
| | | | | | | | | | | | These lines just have unsigned gpio rather than unsigned int gpio. I changed it to suit the coding style. Michael Buesch told me to send this to the MIPS tree. Signed-off-by: Hugh Sipière <hgsipiere@gmail.com> Acked-by: Michael Buesch <m@bues.ch> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13460/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* ssb: gpio_driver: use gpiochip data pointerLinus Walleij2016-04-261-19/+14
| | | | | | | | | | This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Michael Buesch <m@bues.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* ssb: host_soc depends on spromArnd Bergmann2016-02-261-0/+1
| | | | | | | | | | | | | | | | Drivers that use the SSB sprom functionality typically 'select SSB_SPROM' from Kconfig, but CONFIG_SSB_HOST_SOC misses this, which results in a build failure unless at least one of the other drivers that selects it is enabled: drivers/built-in.o: In function `ssb_host_soc_get_invariants': (.text+0x459494): undefined reference to `ssb_fill_sprom_with_fallback' This adds the same select statement that is used elsewhere. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 541c9a84cd85 ("ssb: pick SoC invariants code from MIPS BCM47xx arch") Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: mark ssb_bus_register as __maybe_unusedArnd Bergmann2016-01-191-3/+4
| | | | | | | | | | | | | | | | | | | The SoC variant of the ssb code is now optional like the other ones, which means we can build the framwork without any front-end, but that results in a warning: drivers/ssb/main.c:616:12: warning: 'ssb_bus_register' defined but not used [-Wunused-function] This annotates the ssb_bus_register function as __maybe_unused to shut up the warning. A configuration like this will not work on any hardware of course, but we still want this to silently build without warnings if the configuration is allowed in the first place. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 845da6e58e19 ("ssb: add Kconfig entry for compiling SoC related code") Acked-by: Michael Buesch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: pick SoC invariants code from MIPS BCM47xx archRafał Miłecki2015-12-164-4/+43
| | | | | | | | | | | | | There is code in ssb fetching "invariants" that is basically a set of board specific data. Every host requires its own implementation of reading function. In ssb we have support for PCI, PCMCIA & SDIO. For some (historical?) reason code reading "invariants" for SoC was placed in arch code and provided by a callback. This is not needed nowadays, so lets move that into ssb. This way we keep all "invariants" functions in a single module making code cleaner. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: add Kconfig entry for compiling SoC related codeRafał Miłecki2015-10-284-1/+14
| | | | | | | This allows saving a little of space when not using ssb on Broadcom SoC. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: move functions specific to SoC hosted bus to separated fileRafał Miłecki2015-10-284-161/+180
| | | | | | | | This cleans main.c a bit and will allow us to compile SoC related code conditionally in the future. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: pick PCMCIA host code support from b43 driverRafał Miłecki2015-10-284-2/+145
| | | | | | | | | | | | | | | | | | | | | | | | | | | ssb bus can be found on various "host" devices like PCI/PCMCIA/SDIO. Every ssb bus contains cores AKA devices. The main idea is to have ssb driver scan/initialize bus and register ready-to-use cores. This way ssb drivers can operate on a single core mostly ignoring underlaying details. For some reason PCMCIA support was split between ssb and b43. We got PCMCIA host device probing in b43, then bus scanning in ssb and then wireless core probing back in b43. The truth is it's very unlikely we will ever see PCMCIA ssb device with no 802.11 core but I still don't see any advantage of the current architecture. With proposed change we get the same functionality with a simpler architecture, less Kconfig symbols, one killed EXPORT and hopefully cleaner b43. Since b43 supports both: ssb & bcma I prefer to keep ssb specific code in ssb driver. This mostly moves code from b43's pcmcia.c to bridge_pcmcia_80211.c. We already use similar solution with b43_pci_bridge.c. I didn't use "b43" in name of this new file as in theory any driver can operate on wireless core. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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