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* nvmem: imx-ocotp: Update module descriptionBryan O'Donoghue2017-11-081-1/+1
| | | | | | | | | | | This imx-ocotp driver encapsulates support for a subset of both i.MX6 and i.MX7 processors. Update the module description to reflect. Fixes: 711d45477931 ("nvmem: octop: Add i.MX7D support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Enable i.MX7D OTP write supportBryan O'Donoghue2017-11-081-2/+0
| | | | | | | | | | | After applying patches for both banked access and write timings we can re-enable the OTP write interface on i.MX7D processors. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Add i.MX7D timing write clock setup supportBryan O'Donoghue2017-11-081-7/+36
| | | | | | | | | | | This patch adds logic to correctly setup the write timing parameters when blowing an OTP fuse for the i.MX7S/D. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Move i.MX6 write clock setup to dedicated functionBryan O'Donoghue2017-11-081-20/+27
| | | | | | | | | | | | | The i.MX7S/D has a different set of timing requirements, as a pre-cursor to adding the i.MX7 timing parameters, move the i.MX6 stuff to a dedicated function. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Add support for banked OTP addressingBryan O'Donoghue2017-11-081-4/+64
| | | | | | | | | | | | | | The i.MX7S/D takes the bank address in the CTRLn.ADDR field and the data value in one of the DATAx {0, 1, 2, 3} register fields. The current write routine is based on writing the CTRLn.ADDR field and writing a single DATA register only. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Pass parameters via a structBryan O'Donoghue2017-11-081-10/+34
| | | | | | | | | | | | It will be useful in later patches to know the register access mode and bit-shift to apply to a given input offset. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-ocotp: Restrict OTP write to IMX6 processorsBryan O'Donoghue2017-11-081-0/+2
| | | | | | | | | | | | | | | | i.MX7S/D have a different scheme for addressing the OTP registers inside the OCOTP block. Currently it's possible to address the wrong OTP registers given the disparity between IMX6 and IMX7 OTP addressing. Since OTP programming is one-time destructive its important we restrict this interface ASAP. Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support") Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: uniphier: add UniPhier eFuse driverKeiji Hayashibara2017-11-083-0/+110
| | | | | | | | | | Add eFuse driver for Socionext UniPhier series SoC. Note that eFuse device is under soc-glue and this register implements as read only. Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* dt-bindings: nvmem: add description for UniPhier eFuseKeiji Hayashibara2017-11-081-0/+49
| | | | | | | | | Add uniphier-efuse dt-bindings documentation. Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: set nvmem->owner to nvmem->dev->driver->owner if unsetMasahiro Yamada2017-11-0813-12/+2
| | | | | | | | | | | | | | | All nvmem drivers are supposed to set the owner field of struct nvmem_config, but this matches nvmem->dev->driver->owner. As far as I see in drivers/nvmem/ directory, all the drivers are the case. So, make nvmem_register() set the nvmem's owner to the associated driver's owner unless nvmem_config sets otherwise. Remove .owner settings in the drivers that are now redundant. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: qfprom: fix different address space warnings of sparseMasahiro Yamada2017-11-081-9/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following sparse warnings: drivers/nvmem/qfprom.c:23:30: warning: incorrect type in initializer (different address spaces) drivers/nvmem/qfprom.c:23:30: expected void [noderef] <asn:2>*base drivers/nvmem/qfprom.c:23:30: got void *context drivers/nvmem/qfprom.c:36:30: warning: incorrect type in initializer (different address spaces) drivers/nvmem/qfprom.c:36:30: expected void [noderef] <asn:2>*base drivers/nvmem/qfprom.c:36:30: got void *context drivers/nvmem/qfprom.c:76:22: warning: incorrect type in assignment (different address spaces) drivers/nvmem/qfprom.c:76:22: expected void *static [toplevel] [assigned] priv drivers/nvmem/qfprom.c:76:22: got void [noderef] <asn:2>*[assigned] base The type of nvmem_config->priv is (void *), so sparse complains about assignment of the base address with (void __iomem *) type. Even if we cast it out, sparse still warns: warning: cast removes address space of expression Of course, we can shut up the sparse by marking __force, but a more correct way is to put the base address into driver private data. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: mtk-efuse: fix different address space warnings of sparseMasahiro Yamada2017-11-081-9/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following sparse warnings: drivers/nvmem/mtk-efuse.c:24:30: warning: incorrect type in initializer (different address spaces) drivers/nvmem/mtk-efuse.c:24:30: expected void [noderef] <asn:2>*base drivers/nvmem/mtk-efuse.c:24:30: got void *context drivers/nvmem/mtk-efuse.c:37:30: warning: incorrect type in initializer (different address spaces) drivers/nvmem/mtk-efuse.c:37:30: expected void [noderef] <asn:2>*base drivers/nvmem/mtk-efuse.c:37:30: got void *context drivers/nvmem/mtk-efuse.c:69:23: warning: incorrect type in assignment (different address spaces) drivers/nvmem/mtk-efuse.c:69:23: expected void *priv drivers/nvmem/mtk-efuse.c:69:23: got void [noderef] <asn:2>*[assigned] base The type of nvmem_config->priv is (void *), so sparse complains about assignment of the base address with (void __iomem *) type. Even if we cast it out, sparse still warns: warning: cast removes address space of expression Of course, we can shut up the sparse by marking __force, but a more correct way is to put the base address into driver private data. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: mtk-efuse: use stack for nvmem_config instead of malloc'ing itMasahiro Yamada2017-11-081-14/+10
| | | | | | | | | | | | | nvmem_register() copies all the members of nvmem_config to nvmem_device. So, nvmem_config is one-time use data during probing. There is no point to keep it until the driver detach. Using stack should be no problem because nvmem_config is pretty small. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* nvmem: imx-iim: use stack for nvmem_config instead of malloc'ing itMasahiro Yamada2017-11-081-15/+12
| | | | | | | | | | | | nvmem_register() copies all the members of nvmem_config to nvmem_device. So, nvmem_config is one-time use data during probing. There is no point to keep it until the driver detach. Using stack should be no problem because nvmem_config is pretty small. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* thunderbolt: tb: fix use after free in tb_activate_pcie_devicesGustavo A. R. Silva2017-11-061-0/+1
| | | | | | | | | | | Add a ̣̣continue statement in order to avoid using a previously free'd pointer tunnel in list_add. Addresses-Coverity-ID: 1415336 Fixes: 9d3cce0b6136 ("thunderbolt: Introduce thunderbolt bus and connection manager") Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* MAINTAINERS: Add git tree for Thunderbolt developmentMika Westerberg2017-11-061-0/+1
| | | | | | | | I will be gathering Thunderbolt related patches to this git tree with help of other Thunderbolt maintainers. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drivers/pcmcia: omap1: Fix error in automated timer conversionKees Cook2017-11-051-1/+3
| | | | | | | | | | | One part of automated timer conversion tools did not take into account void * variables when searching out prior direct timer callback usage, which resulted in an attempt to dereference the timer field without a proper type. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace channel eventsVitaly Kuznetsov2017-11-044-0/+29
| | | | | | | | | | Added an additional set of trace points for when channel gets notified or signals host. Suggested-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_send_tl_connect_request()Vitaly Kuznetsov2017-11-042-1/+26
| | | | | | | | Add tracepoint to CHANNELMSG_TL_CONNECT_REQUEST sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_release_relid()Vitaly Kuznetsov2017-11-042-2/+21
| | | | | | | | Add tracepoint to CHANNELMSG_RELID_RELEASED sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_negotiate_version()Vitaly Kuznetsov2017-11-042-0/+29
| | | | | | | | Add tracepoint to CHANNELMSG_INITIATE_CONTACT sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_teardown_gpadl()Vitaly Kuznetsov2017-11-042-0/+20
| | | | | | | | Add tracepoint to CHANNELMSG_GPADL_TEARDOWN sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_establish_gpadl()Vitaly Kuznetsov2017-11-042-0/+48
| | | | | | | | Add tracepoint to CHANNELMSG_GPADL_HEADER/CHANNELMSG_GPADL_BODY sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_close_internal()Vitaly Kuznetsov2017-11-042-0/+17
| | | | | | | | Add tracepoint to CHANNELMSG_CLOSECHANNEL sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_open()Vitaly Kuznetsov2017-11-042-0/+29
| | | | | | | | Add tracepoint to CHANNELMSG_OPENCHANNEL sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_request_offers()Vitaly Kuznetsov2017-11-042-1/+11
| | | | | | | | Add tracepoint to CHANNELMSG_REQUESTOFFERS sender. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_onversion_response()Vitaly Kuznetsov2017-11-042-0/+14
| | | | | | | | Add tracepoint to CHANNELMSG_VERSION_RESPONSE handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_ongpadl_torndown()Vitaly Kuznetsov2017-11-042-0/+10
| | | | | | | | Add tracepoint to CHANNELMSG_GPADL_TORNDOWN handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_ongpadl_created()Vitaly Kuznetsov2017-11-042-0/+19
| | | | | | | | Add tracepoint to CHANNELMSG_GPADL_CREATED handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_onopen_result()Vitaly Kuznetsov2017-11-042-0/+19
| | | | | | | | Add tracepoint to CHANNELMSG_OPENCHANNEL_RESULT handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_onoffer_rescind()Vitaly Kuznetsov2017-11-042-0/+10
| | | | | | | | Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_onoffer()Vitaly Kuznetsov2017-11-042-0/+39
| | | | | | | | Add tracepoint to CHANNELMSG_OFFERCHANNEL handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_on_message()Vitaly Kuznetsov2017-11-042-0/+7
| | | | | | | | | Add tracepoint to vmbus_on_message() which is called when we start processing a blocking from work context. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* hyper-v: trace vmbus_on_msg_dpc()Vitaly Kuznetsov2017-11-045-1/+40
| | | | | | | | | Add tracing subsystem to Hyper-V VMBus module and add tracepoint to vmbus_on_msg_dpc() which is called when we receive a message from host. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drivers/pcmcia: Convert timers to use timer_setup()Kees Cook2017-11-048-31/+24
| | | | | | | | | | | | | | | | In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: bcm-kernel-feedback-list@broadcom.com Cc: David Howells <dhowells@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-pcmcia@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drivers/sgi-xp: Convert timers to use timer_setup()Kees Cook2017-11-042-18/+12
| | | | | | | | | | | In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Cliff Whickman <cpw@sgi.com> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Robin Holt <robinmholt@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* auxdisplay: Convert timers to use timer_setup()Kees Cook2017-11-042-8/+6
| | | | | | | | | | | | In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Paul Burton <paul.burton@mips.com> Tested-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Drivers: hv: vmbus: Make panic reporting to be more usefulK. Y. Srinivasan2017-10-313-9/+12
| | | | | | | | | | | | | | | | Hyper-V allows the guest to report panic and the guest can pass additional information. All this is logged on the host. Currently Linux is passing back information that is not particularly useful. Make the following changes: 1. Windows uses crash MSR P0 to report bugcheck code. Follow the same convention for Linux as well. 2. It will be useful to know the gust ID of the Linux guest that has paniced. Pass back this information. These changes will help in better supporting Linux on Hyper-V Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Drivers: hv: vmbus: Expose per-channel interrupts and events countersStephen Hemminger2017-10-314-6/+42
| | | | | | | | | | When investigating performance, it is useful to be able to look at the number of host and guest events per-channel. This is equivalent to per-device interrupt statistics. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge 4.14-rc6 into char-misc-nextGreg Kroah-Hartman2017-10-23312-1504/+3642
|\ | | | | | | | | | | | | We want the driver fixes in here and this resolves a merge issue with the binder driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * Linux 4.14-rc6v4.14-rc6Linus Torvalds2017-10-231-1/+1
| |
| * Merge tag 'staging-4.14-rc6' of ↵Linus Torvalds2017-10-239-39/+96
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging and IIO fixes from Greg KH: "Here are a small number of patches to resolve some reported IIO and a staging driver problem. Nothing major here, full details are in the shortlog below. All have been in linux-next with no reported issues" * tag 'staging-4.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: bcm2835-audio: Fix memory corruption iio: adc: at91-sama5d2_adc: fix probe error on missing trigger property iio: adc: dln2-adc: fix build error iio: dummy: events: Add missing break staging: iio: ade7759: fix signed extension bug on shift of a u8 iio: pressure: zpa2326: Remove always-true check which confuses gcc iio: proximity: as3935: noise detection + threshold changes
| | * staging: bcm2835-audio: Fix memory corruptionPhil Elwell2017-10-181-12/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous commit (0adbfd46) fixed a memory leak but also freed a block in the success case, causing a stale pointer to be used with potentially fatal results. Only free the vchi_instance block in the case that vchi_connect fails; once connected, the instance is retained for subsequent connections. Simplifying the code by removing a bunch of gotos and returning errors directly. Signed-off-by: Phil Elwell <phil@raspberrypi.org> Fixes: 0adbfd4694c2 ("staging: bcm2835-audio: fix memory leak in bcm2835_audio_open_connection()") Cc: stable <stable@vger.kernel.org> # 4.12+ Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| | * Merge tag 'iio-fixes-for-4.14b' of ↵Greg Kroah-Hartman2017-10-158-27/+89
| | |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: Second set of IIO fixes for the 4.14 cycle. * ade7759 - Fix a signed extension bug. * as3935 - The default noise and watch dog settings were such that the device was unusuable in most applications. Add device tree parameters to allow it to be configured to something that will actually work. * at91-sama5d2 adc - Fix handling of legacy device trees that don't provide the new trigger edge property. * dln2-adc - Fix a missing Kconfig dependency on IIO_TRIGGERED_BUFFER. * dummy driver - Add a missing break so that writing in_voltage0_thresh_rising_en doesn't always result in an error. * zpa2326 - Drop a test for an always true condition so that gcc won't spit out and unused variable warning.
| | | * iio: adc: at91-sama5d2_adc: fix probe error on missing trigger propertyEugen Hristev2017-10-141-16/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fix allows platforms to probe correctly even if the trigger edge property is missing. The hardware trigger will no longer be registered in the sybsystem Preserves backwards compatibility with the support that was in the driver before the hardware trigger. https://storage.kernelci.org/mainline/master/v4.14-rc2-255-g74d83ec2b734/arm/sama5_defconfig/lab-free-electrons/boot-at91-sama5d2_xplained.txt Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Fixes: 5e1a1da0f ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| | | * iio: adc: dln2-adc: fix build errorRandy Dunlap2017-10-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The dln2-adc driver uses interface(s) that are controlled by the IIO_TRIGGERED_BUFFER Kconfig symbol, so the driver needs to select that symbol to prevent the build error. drivers/iio/adc/dln2-adc.o: In function `dln2_adc_probe': dln2-adc.c:(.text+0x528): undefined reference to `devm_iio_triggered_buffer_setup' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <fengguang.wu@intel.com> Cc: Jonathan Cameron <jic23@kernel.org> Cc: linux-iio@vger.kernel.org Cc: Jack Andersen <jackoalan@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| | | * iio: dummy: events: Add missing breakLars-Peter Clausen2017-10-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing break in iio_simple_dummy_write_event_config() for the voltage threshold event enable attribute. Without this writing to the in_voltage0_thresh_rising_en always returns -EINVAL even though the change was correctly applied. Fixes: 3e34e650db197 ("iio: dummy: Demonstrate the usage of new channel types") Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| | | * staging: iio: ade7759: fix signed extension bug on shift of a u8Colin Ian King2017-09-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current shift of st->rx[2] left shifts a u8 24 bits left, promotes the integer to a an int and then to a unsigned u64. If the top bit of st->rx[2] is set then we end up with all the upper bits being set to 1. Fix this by casting st->rx[2] to a u64 before the 24 bit left shift. Detected by CoverityScan CID#144940 ("Unintended sign extension") Fixes: 2919fa54ef64 ("staging: iio: meter: new driver for ADE7759 devices") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| | | * iio: pressure: zpa2326: Remove always-true check which confuses gccGeert Uytterhoeven2017-09-251-7/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With gcc 4.1.2: drivers/iio/pressure/zpa2326.c: In function ‘zpa2326_wait_oneshot_completion’: drivers/iio/pressure/zpa2326.c:868: warning: ‘ret’ may be used uninitialized in this function When testing for "timeout < 0", timeout is already guaranteed to be strict negative, so the branch is always taken, and ret is thus always initialized. But (some version of) gcc is not smart enough to notice. Remove the check to fix this. As there is no other code in between assigning the error codes and returning them, the error codes can be returned immediately, and the intermediate variable can be dropped. Drop the "else" to please checkpatch. Fixes: e7215fe4d51e69c9 ("iio: pressure: zpa2326: report interrupted case as failure") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| | | * iio: proximity: as3935: noise detection + threshold changesMatt Ranostay2017-09-253-3/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most applications are too noisy to allow the default noise and watchdog settings, and thus need to be configurable via DT properties. Also default settings to POR defaults on a reset, and register distuber interrupts as noise since it prevents proper usage. Cc: devicetree@vger.kernel.org Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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