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Pull sparc updates from David Miller:
- Rework the sparc32 page tables so that READ_ONCE(*pmd), as done by
generic code, operates on a word sized element. From Will Deacon.
- Some scnprintf() conversions, from Chen Zhou.
- A pin_user_pages() conversion from John Hubbard.
- Several 32-bit ptrace register handling fixes and such from Al Viro.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
fix a braino in "sparc32: fix register window handling in genregs32_[gs]et()"
sparc32: mm: Only call ctor()/dtor() functions for first and last user
sparc32: mm: Disable SPLIT_PTLOCK_CPUS
sparc32: mm: Don't try to free page-table pages if ctor() fails
sparc32: register memory occupied by kernel as memblock.memory
sparc: remove unused header file nfs_fs.h
sparc32: fix register window handling in genregs32_[gs]et()
sparc64: fix misuses of access_process_vm() in genregs32_[sg]et()
oradax: convert get_user_pages() --> pin_user_pages()
sparc: use scnprintf() in show_pciobppath_attr() in vio.c
sparc: use scnprintf() in show_pciobppath_attr() in pci.c
tty: vcc: Fix error return code in vcc_probe()
sparc32: mm: Reduce allocation size for PMD and PTE tables
sparc32: mm: Change pgtable_t type to pte_t * instead of struct page *
sparc32: mm: Restructure sparc32 MMU page-table layout
sparc32: mm: Fix argument checking in __srmmu_get_nocache()
sparc64: Replace zero-length array with flexible-array
sparc: mm: return true,false in kern_addr_valid()
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snprintf() returns the number of bytes that would be written,
which may be greater than the the actual length to be written.
show_pciobppath_attr() should return the number of bytes printed
into the buffer. This is the return value of scnprintf().
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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snprintf() returns the number of bytes that would be written,
which may be greater than the the actual length to be written.
show_pciobppath_attr() should return the number of bytes printed
into the buffer. This is the return value of scnprintf().
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
sizeof(flexible-array-member) triggers a warning because flexible array
members have incomplete type[1]. There are some instances of code in
which the sizeof operator is being incorrectly/erroneously applied to
zero-length arrays and the result is zero. Such instances may be hiding
some bugs. So, this work (flexible-array member conversions) will also
help to get completely rid of those sorts of issues.
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function's return type is bool and returns both true/false and 0/1.
This fixes the following coccicheck warning:
arch/sparc/mm/init_64.c:1652:9-10: WARNING: return of 0/1 in function
'kern_addr_valid' with return type bool
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
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lost npc in PTRACE_SETREGSET, breaking PTRACE_SETREGS as well
Fixes: cf51e129b968 "sparc32: fix register window handling in genregs32_[gs]et()"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Some ptrace fixes from Al.
Signed-off-by: David S. Miller <davem@davemloft.net>
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It needs access_process_vm() if the traced process does not share
mm with the caller. Solution is similar to what sparc64 does.
Note that genregs32_set() is only ever called with pos being 0
or 32 * sizeof(u32) (the latter - as part of PTRACE_SETREGS
handling).
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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We do need access_process_vm() to access the target's reg_window.
However, access to caller's memory (storing the result in
genregs32_get(), fetching the new values in case of genregs32_set())
should be done by normal uaccess primitives.
Fixes: ad4f95764040 ([SPARC64]: Fix user accesses in regset code.)
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The SRMMU page-table allocator allocates multiple PTE tables per page,
since they are only 1K in size. However, this means that calls to
pgtable_pte_page_{ctor,dtor}() must be serialised and performed only by
the first and last page-table allocation for the page respectively.
Use the page reference count to track how many PTE tables we have
allocated for a given page returned by the SRMMU allocator and only
call the ctor()/dtor() functions for the first and last user respectively.
Cc: David S. Miller <davem@davemloft.net>
Fixes: 8c8f3156dd40 ("sparc32: mm: Reduce allocation size for PMD and PTE tables")
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pages backing page-table allocations for SRMMU are allocated via
memblock as part of the "nocache" region initialisation during
srmmu_paging_init() and should not be freed even if a later call to
pgtable_pte_page_ctor() fails.
Remove the broken call to __free_page().
Cc: David S. Miller <davem@davemloft.net>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Fixes: 1ae9ae5f7df7 ("sparc: handle pgtable_page_ctor() fail")
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sparc32 never registered the memory occupied by the kernel image with
memblock_add() and it only reserved this memory with meblock_reserve().
With openbios as system firmware, the memory occupied by the kernel is
reserved in openbios and removed from mem.available. The prom setup code in
the kernel uses mem.available to set up the memory banks and essentially
there is a hole for the memory occupied by the kernel image.
Later in bootmem_init() this memory is memblock_reserve()d.
Up until recently, memmap initialization would call __init_single_page()
for the pages in that hole, the free_low_memory_core_early() would mark
them as reserved and everything would be Ok.
After the change in memmap initialization introduced by the commit "mm:
memmap_init: iterate over memblock regions rather that check each PFN", the
hole is skipped and the page structs for it are not initialized. And when
they are passed from memblock to page allocator as reserved, the latter
gets confused.
Simply registering the memory occupied by the kernel with memblock_add()
resolves this issue.
Tested on qemu-system-sparc with Debian Etch [1] userspace.
[1] https://people.debian.org/~aurel32/qemu/sparc/debian_etch_sparc_small.qcow2
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lkml.kernel.org/r/20200517000050.GA87467@roeck-us.nlllllet/
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unused header file linux/nfs_fs.h
Signed-off-by: Anupam Aggarwal <anupam.al@samsung.com>
Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the page table allocator can free page table allocations
smaller than PAGE_SIZE, reduce the size of the PMD and PTE allocations
to avoid needlessly wasting memory.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the 'pgtable_t' type for sparc32 so that it represents the uncached
virtual address of the PTE table, rather than the underlying 'struct page'.
This allows us to free page table allocations smaller than a page.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "SRMMU" supports 4k pages using a fixed three-level walk with a
256-entry PGD and 64-entry PMD/PTE levels. In order to fill a page
with a 'pgtable_t', the SRMMU code allocates four native PTE tables
into a single PTE allocation and similarly for the PMD level, leading
to an array of 16 physical pointers in a 'pmd_t'
This breaks the generic code which assumes READ_ONCE(*pmd) will be
word sized.
In a manner similar to ef22d8abd876 ("m68k: mm: Restructure Motorola
MMU page-table layout"), this patch implements the native page-table
setup directly. This significantly increases the page-table memory
overhead, but will be addresses in a subsequent patch.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 'size' argument to __srmmu_get_nocache() is a number of bytes not
a shift value, so fix up the sanity checking to treat it properly.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
habanalabs: correctly cast u64 to void*
habanalabs: initialize variable to default value
extcon: arizona: Fix runtime PM imbalance on error
extcon: max14577: Add proper dt-compatible strings
extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
extcon: remove redundant assignment to variable idx
w1: omap-hdq: print dev_err if irq flags are not cleared
w1: omap-hdq: fix interrupt handling which did show spurious timeouts
w1: omap-hdq: fix return value to be -1 if there is a timeout
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
/dev/mem: Revoke mappings when a driver claims the region
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
misc: xilinx-sdfec: improve get_user_pages_fast() error handling
nvmem: qfprom: remove incorrect write support
habanalabs: handle MMU cache invalidation timeout
habanalabs: don't allow hard reset with open processes
habanalabs: GAUDI does not support soft-reset
habanalabs: add print for soft reset due to event
habanalabs: improve MMU cache invalidation code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager changes for 5.8
Here's the first set of changes for the 5.8-rc1 merge window.
Dominic's change adds support for accessing AFU regions with gdb.
Gustavo's change is a cleanup patch regarding variable lenght arrays.
Richard's changes update dt-bindings and add support for stratix and agilex.
Sergiu's changes update spi transfers with the new delay field.
Xu's change addresses an issue with a wrong return value.
Shubhrajyoti's change makes the Zynq FPGA driver return -EPROBE_DEFER on
check of devm_clk_get failure.
Xu's change for DFL enables multiple opens.
All of these patches have been reviewed, have appropriate Acked-by's and
have been in the last few linux-next releases without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: dfl: afu: support debug access to memory-mapped afu regions
fpga: dfl.h: Replace zero-length array with flexible-array member
arm64: dts: agilex: correct service layer driver's compatible value
dt-bindings, firmware: add compatible value Intel Stratix10 service layer binding
fpga: stratix10-soc: add compatible property value for intel agilex
arm64: dts: agilex: correct FPGA manager driver's compatible value
dt-bindings: fpga: add compatible value to Stratix10 SoC FPGA manager binding
fpga: machxo2-spi: Use new structure for SPI transfer delays
fpga: ice40-spi: Use new structure for SPI transfer delays
fpga: dfl: support multiple opens on feature device node.
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Correct the compatible property value for Intel Service Layer driver
on Intel Agilex SoC platform.
Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Correct the compatible property value for FPGA manager driver on
Intel Agilex SoC platform.
Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the tty and serial driver updates for 5.8-rc1
Nothing huge at all, just a lot of little serial driver fixes, updates
for new devices and features, and other small things. Full details are
in the shortlog.
All of these have been in linux-next with no issues for a while"
* tag 'tty-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (67 commits)
tty: serial: qcom_geni_serial: Add 51.2MHz frequency support
tty: serial: imx: clear Ageing Timer Interrupt in handler
serial: 8250_fintek: Add F81966 Support
sc16is7xx: Add flag to activate IrDA mode
dt-bindings: sc16is7xx: Add flag to activate IrDA mode
serial: 8250: Support rs485 bus termination GPIO
serial: 8520_port: Fix function param documentation
dt-bindings: serial: Add binding for rs485 bus termination GPIO
vt: keyboard: avoid signed integer overflow in k_ascii
serial: 8250: Enable 16550A variants by default on non-x86
tty: hvc_console, fix crashes on parallel open/close
serial: imx: Initialize lock for non-registered console
sc16is7xx: Read the LSR register for basic device presence check
sc16is7xx: Allow sharing the IRQ line
sc16is7xx: Use threaded IRQ
sc16is7xx: Always use falling edge IRQ
tty: n_gsm: Fix bogus i++ in gsm_data_kick
tty: n_gsm: Remove unnecessary test in gsm_print_packet()
serial: stm32: add no_console_suspend support
tty: serial: fsl_lpuart: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
...
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We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With earlier commits, the API no longer discards the const-ness of the
sysrq_key_op. As such we can add the notation.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://lore.kernel.org/r/20200513214351.2138580-7-emil.l.velikov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With earlier commits, the API no longer discards the const-ness of the
sysrq_key_op. As such we can add the notation.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://lore.kernel.org/r/20200513214351.2138580-6-emil.l.velikov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With earlier commits, the API no longer discards the const-ness of the
sysrq_key_op. As such we can add the notation.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://lore.kernel.org/r/20200513214351.2138580-5-emil.l.velikov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With earlier commits, the API no longer discards the const-ness of the
sysrq_key_op. As such we can add the notation.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://lore.kernel.org/r/20200513214351.2138580-4-emil.l.velikov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Export a pointer to the sysrq_get_key_op(). This way we can cleanly
unregister it, instead of the current solutions of modifuing it inplace.
Since __sysrq_get_key_op() is no longer used externally, let's make it
a static function.
This patch will allow us to limit access to each and every sysrq op and
constify the sysrq handling.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-kernel@vger.kernel.org
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://lore.kernel.org/r/20200513214351.2138580-1-emil.l.velikov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY driver updates from Greg KH:
"Here are the large set of USB and PHY driver updates for 5.8-rc1.
Nothing huge, just lots of little things:
- USB gadget fixes and additions all over the place
- new PHY drivers
- PHY driver fixes and updates
- XHCI driver updates
- musb driver updates
- more USB-serial driver ids added
- various USB quirks added
- thunderbolt minor updates and fixes
- typec updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (245 commits)
usb: dwc3: meson-g12a: fix USB2 PHY initialization on G12A and A1 SoCs
usb: dwc3: meson-g12a: fix error path when fetching the reset line fails
Revert "dt-bindings: usb: qcom,dwc3: Convert USB DWC3 bindings"
Revert "dt-bindings: usb: qcom,dwc3: Add compatible for SC7180"
Revert "dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver"
USB: serial: ch341: fix lockup of devices with limited prescaler
USB: serial: ch341: add basis for quirk detection
CDC-ACM: heed quirk also in error handling
USB: serial: option: add Telit LE910C1-EUX compositions
usb: musb: Fix runtime PM imbalance on error
usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set
usb: musb: mediatek: add reset FADDR to zero in reset interrupt handle
usb: musb: use true for 'use_dma'
usb: musb: start session in resume for host port
usb: musb: return -ESHUTDOWN in urb when three-strikes error happened
USB: serial: qcserial: add DW5816e QDL support
thunderbolt: Add trivial .shutdown
usb: dwc3: keystone: Turn on USB3 PHY before controller
dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property
dt-bindings: usb: convert keystone-usb.txt to YAML
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
USB: changes for v5.8 merge window
Rather busy cycle. We have a total 99 non-merge commits going into v5.8
merge window. The majority of the changes are in dwc3 this around (31.7%
of all changes). It's composed mostly Thinh's recent updates to get dwc3
to behave correctly with stream transfers. We have also have Roger's for
Keystone platforms and Neil's updates for the meson glue layer.
Apart from those, we have the usual set of non-critical fixes, new
device IDs, spelling fixes all over the place.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'usb-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (99 commits)
usb: dwc3: keystone: Turn on USB3 PHY before controller
dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property
dt-bindings: usb: convert keystone-usb.txt to YAML
usb: dwc3: gadget: Check for prepared TRBs
usb: gadget: Fix issue with config_ep_by_speed function
usb: cdns3: ep0: delete the redundant status stage
usb: dwc2: Update Core Reset programming flow.
usb: gadget: fsl: Fix a wrong judgment in fsl_udc_probe()
usb: gadget: fix potential double-free in m66592_probe.
usb: cdns3: Fix runtime PM imbalance on error
usb: gadget: lpc32xx_udc: don't dereference ep pointer before null check
usb: dwc3: Increase timeout for CmdAct cleared by device controller
USB: dummy-hcd: use configurable endpoint naming scheme
usb: cdns3: gadget: assign interrupt number to USB gadget structure
usb: gadget: core: sync interrupt before unbind the udc
arm64: dts: qcom: sc7180: Add interconnect properties for USB
arm64: dts: qcom: sdm845: Add interconnect properties for USB
dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver
ARM: dts: at91: Remove the USB EP child node
dt-bindings: usb: atmel: Mark EP child node as deprecated
...
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Populate USB DT nodes with interconnect properties.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Populate USB DT nodes with interconnect properties.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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The endpoint configuration used to be stored in the device tree,
however the configuration depend on the "version" of the controller
itself.
Then the EP child node are useless and describe as deprecated in the
documentation binding: remove all the nodes from the SoC device tree
file. Remove also the #address-cells and #size-cells properties that
are no longer needed.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Add the correcly architectured USB Glue node and adapt all the Amlogic
GXL and GXM board to the new organization.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Pull arch/sh updates from Rich Felker:
"Fix for arch/sh build regression with newer binutils, removal of SH5,
fixes for module exports, and misc cleanup"
* tag 'sh-for-5.8' of git://git.libc.org/linux-sh:
sh: remove sh5 support
sh: add missing EXPORT_SYMBOL() for __delay
sh: Convert ins[bwl]/outs[bwl] macros to inline functions
sh: Convert iounmap() macros to inline functions
sh: Add missing DECLARE_EXPORT() for __ashiftrt_r4_xx
sh: configs: Cleanup old Kconfig IO scheduler options
arch/sh: vmlinux.scr
sh: Replace CONFIG_MTD_M25P80 with CONFIG_MTD_SPI_NOR in sh7757lcr_defconfig
sh: sh4a: Bring back tmu3_device early device
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sh5 never became a product and has probably never really worked.
Remove it by recursively deleting all associated Kconfig options
and all corresponding files.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rich Felker <dalias@libc.org>
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__delay() is used from kernel module.
We need EXPORT_SYMBOL(), otherwise we will get compile error.
ERROR: "__delay" [drivers/net/phy/mdio-cavium.ko] undefined!
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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Macro ins[bwl]/outs[bwl] are just calling BUG(), but that results in
unused variable warnings all over the place.
This patch convert macro to inline to avoid warning
We will get this kind of warning without this patch
${LINUX}/drivers/iio/adc/ad7606_par.c:21:23: \
warning: unused variable 'st' [-Wunused-variable]
struct ad7606_state *st = iio_priv(indio_dev);
^~
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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Macro iounmap() do nothing, but that results in
unused variable warnings all over the place.
This patch convert it to inline to avoid warning
We will get this warning without this patch
${LINUX}/drivers/thermal/broadcom/ns-thermal.c:78:21: \
warning: unused variable 'ns_thermal' [-Wunused-variable]
struct ns_thermal *ns_thermal = platform_get_drvdata(pdev);
^~~~~~~~~~
Fixes: 98c90e5ea34e9 ("sh: remove __iounmap")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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__ashiftrt_r4_xx might be used from kernel module.
We need DECLARE_EXPORT() for them, otherwise we will get compile error.
This patch adds missing DECLARE_EXPORT()
ERROR: "__ashiftrt_r4_25" [drivers/iio/pressure/bmp280.ko] undefined!
ERROR: "__ashiftrt_r4_26" [drivers/iio/dac/ad5764.ko] undefined!
ERROR: "__ashiftrt_r4_26" [drivers/iio/accel/mma7660.ko] undefined!
ERROR: "__ashiftrt_r4_25" [drivers/iio/accel/dmard06.ko] undefined!
ERROR: "__ashiftrt_r4_26" [drivers/iio/accel/bma220_spi.ko] undefined!
ERROR: "__ashiftrt_r4_25" [drivers/crypto/hisilicon/sec/hisi_sec.ko] undefined!
ERROR: "__ashiftrt_r4_26" [drivers/rtc/rtc-x1205.ko] undefined!
ERROR: "__ashiftrt_r4_25" [drivers/rtc/rtc-pcf85063.ko] undefined!
ERROR: "__ashiftrt_r4_25" [drivers/rtc/rtc-pcf2123.ko] undefined!
ERROR: "__ashiftrt_r4_25" [drivers/input/tablet/gtco.ko] undefined!
ERROR: "__ashiftrt_r4_26" [drivers/input/mouse/psmouse.ko] undefined!
ERROR: "__ashiftrt_r4_28" [drivers/input/mouse/psmouse.ko] undefined!
ERROR: "__ashiftrt_r4_28" [drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.ko] undefined!
ERROR: "__ashiftrt_r4_28" [fs/udf/udf.ko] undefined!
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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CONFIG_IOSCHED_DEADLINE and CONFIG_IOSCHED_CFQ are gone since
commit f382fb0bcef4 ("block: remove legacy IO schedulers").
The IOSCHED_DEADLINE was replaced by MQ_IOSCHED_DEADLINE and it will be
now enabled by default (along with MQ_IOSCHED_KYBER).
The BFQ_GROUP_IOSCHED is the only multiqueue scheduler which comes with
group scheduling so select it in configs previously choosing
CFQ_GROUP_IOSCHED.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rich Felker <dalias@libc.org>
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Since the patch [1], building the kernel using a toolchain built with
Binutils 2.33.1 prevent booting a sh4 system under Qemu.
Apply the patch provided by Alan Modra [2] that fix alignment of rodata.
[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e
[2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Alan Modra <amodra@gmail.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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CONFIG_MTD_M25P80 was removed and replaced by CONFIG_MTD_SPI_NOR in
commit b35b9a10362d ("mtd: spi-nor: Move m25p80 code in spi-nor.c")
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Signed-off-by: Rich Felker <dalias@libc.org>
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Commit 1399c195ef50 ("sh: Switch to new style TMU device") converted
tmu3_device platform device to new style of platform data but removed it
from sh7786_early_devices array effectively removing last three timers
and causing a warning:
arch/sh/kernel/cpu/sh4a/setup-sh7786.c:243:31:
warning: ‘tmu3_device’ defined but not used [-Wunused-variable]
Fixes: 1399c195ef50 ("sh: Switch to new style TMU device")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rich Felker <dalias@libc.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- fix warnings in 'make clean' for ARCH=um, hexagon, h8300, unicore32
- ensure to rebuild all objects when the compiler is upgraded
- exclude system headers from dependency tracking and fixdep processing
- fix potential bit-size mismatch between the kernel and BPF user-mode
helper
- add the new syntax 'userprogs' to build user-space programs for the
target architecture (the same arch as the kernel)
- compile user-space sample code under samples/ for the target arch
instead of the host arch
- make headers_install fail if a CONFIG option is leaked to user-space
- sanitize the output format of scripts/checkstack.pl
- handle ARM 'push' instruction in scripts/checkstack.pl
- error out before modpost if a module name conflict is found
- error out when multiple directories are passed to M= because this
feature is broken for a long time
- add CONFIG_DEBUG_INFO_COMPRESSED to support compressed debug info
- a lot of cleanups of modpost
- dump vmlinux symbols out into vmlinux.symvers, and reuse it in the
second pass of modpost
- do not run the second pass of modpost if nothing in modules is
updated
- install modules.builtin(.modinfo) by 'make install' as well as by
'make modules_install' because it is useful even when
CONFIG_MODULES=n
- add new command line variables, GZIP, BZIP2, LZOP, LZMA, LZ4, and XZ
to allow users to use alternatives such as pigz, pbzip2, etc.
* tag 'kbuild-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (96 commits)
kbuild: add variables for compression tools
Makefile: install modules.builtin even if CONFIG_MODULES=n
mksysmap: Fix the mismatch of '.L' symbols in System.map
kbuild: doc: rename LDFLAGS to KBUILD_LDFLAGS
modpost: change elf_info->size to size_t
modpost: remove is_vmlinux() helper
modpost: strip .o from modname before calling new_module()
modpost: set have_vmlinux in new_module()
modpost: remove mod->skip struct member
modpost: add mod->is_vmlinux struct member
modpost: remove is_vmlinux() call in check_for_{gpl_usage,unused}()
modpost: remove mod->is_dot_o struct member
modpost: move -d option in scripts/Makefile.modpost
modpost: remove -s option
modpost: remove get_next_text() and make {grab,release_}file static
modpost: use read_text_file() and get_line() for reading text files
modpost: avoid false-positive file open error
modpost: fix potential mmap'ed file overrun in get_src_version()
modpost: add read_text_file() and get_line() helpers
modpost: do not call get_modinfo() for vmlinux(.o)
...
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Allow user to use alternative implementations of compression tools,
such as pigz, pbzip2, pxz. For example, multi-threaded tools to
speed up the build:
$ make GZIP=pigz BZIP2=pbzip2
Variables _GZIP, _BZIP2, _LZOP are used internally because original env
vars are reserved by the tools. The use of GZIP in gzip tool is obsolete
since 2015. However, alternative implementations (e.g., pigz) still rely
on it. BZIP2, BZIP, LZOP vars are not obsolescent.
The credit goes to @grsecurity.
As a sidenote, for multi-threaded lzma, xz compression one can use:
$ export XZ_OPT="--threads=0"
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Merge {CLEAN,MRPROPER,DISTCLEAN}_DIRS into {CLEAN,MRPROPER,DISTCLEAN}_FILES
because the difference is just the -r option passed to the 'rm' command.
Do likewise as commit 1634f2bfdb84 ("kbuild: remove clean-dirs syntax").
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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$(AS) is not used anywhere in the kernel build, hence commit
aa824e0c962b ("kbuild: remove AS variable") killed it.
Remove the left-over code in arch/{arm,arm64}/Makefile.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Will Deacon <will@kernel.org>
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