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Clang warns about the definitions of these macros (full warnings trimmed
for brevity):
drivers/net/wireless/realtek/rtw88/main.c:524:15: warning: signed shift
result (0x3FF00000000) requires 43 bits to represent, but 'int' only has
32 bits [-Wshift-overflow]
ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
^~~~~~~~~~~~~~~~~
drivers/net/wireless/realtek/rtw88/main.c:527:15: warning: signed shift
result (0xFF0000000) requires 37 bits to represent, but 'int' only has
32 bits [-Wshift-overflow]
ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
^~~~~~~~~~~~~~~~
Given that these are all used with ra_mask, which is of type u64, we can
just declare the macros to be ULL as well.
Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/467
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"I apologize for sending these so late in the cycle. We went back and
forth about how to deal with the unexpected logging of intentional
link state changes and finally decided to just config them off by
default.
PCI fixes:
- Stop ignoring "pci=disable_acs_redir" parameter (Logan Gunthorpe)
- Use shared MSI/MSI-X vector for Link Bandwidth Management (Alex
Williamson)
- Add Kconfig option for Link Bandwidth notification messages (Keith
Busch)"
* tag 'pci-v5.1-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/LINK: Add Kconfig option (default off)
PCI/portdrv: Use shared MSI/MSI-X vector for Bandwidth Management
PCI: Fix issue with "pci=disable_acs_redir" parameter being ignored
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fix from Richard Weinberger:
"A single regression fix for the marvell nand driver"
* tag 'mtd/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: marvell: Clean the controller state before each operation
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Multi-blank lines do not help readability so remove them
Checkpatch complains:
CHECK: Please don't use multiple blank lines
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For improving code readability it helps to have a blank line between
function so add when missing.
Checkpatch complains:
CHECK: Please use a blank line after function/struct/union/enum
declarations
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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macro argument should be inside a parenthesis to avoid precedence
issues
checkpatch complains:
CHECK: Macro argument 'n' may be better as '(n)' to avoid
precedence issues
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Found few more typos in the code, fix them
CHECK: 'and and' may be misspelled - perhaps 'and'?
CHECK: 'smaple' may be misspelled - perhaps 'sample'?
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Modify the code to avoid multiple assignments by assigning to variable
after error checks in soundwire bus.
CHECK: multiple assignments should be avoided
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Found few more issues reported checkpatch on code alignment so fix those
as well in the intel module.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Found few more issues reported checkpatch on code alignment so fix those
as well in the soundwire core.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Checkpatch warns that function definition of __sdw_register_driver
misses argument, so add it
WARNING: function definition argument 'struct module *' should also have
an identifier name
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linux code style doesn't expect empty lines after braces and
gives warning:
CHECK: Blank lines aren't necessary after an open brace '{'
Remove the empty line in intel module
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linux code style doesn't expect empty lines after braces and
gives warning:
CHECK: Blank lines aren't necessary after an open brace '{'
Remove the empty line in cadence lib
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linux code style doesn't expect empty lines before or after braces and
gives warning:
CHECK: Blank lines aren't necessary after an open brace '{'
CHECK: Blank lines aren't necessary before a close brace '}'
Fix these instances in soundwire core
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some more headers had C++ style SDPX line, fix that and change copyright
so that it is consistent with rest of the code in subsystem
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move to help format instead of --help-- as that is not recommended and
this makes file consistent with other instance
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For some reason the newlines are not used everywhere. Fix as needed.
Reported-by: Joe Perches <joe@perches.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Extra newline does not improve readability.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need for explicit test against true
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While not strictly necessary, balanced parentheses help with code
readability.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need for explicit test against true
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Extra parentheses required here
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need for explicit test against true
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style. In some cases parenthesis alignment is modified to
keep the code readable.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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tools complain here and the location of the newline does not improve
readability.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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no need for an explicit test against false
reported by Coccinelle
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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and make the code more readable
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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spelling mistakes
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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use Linux style
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some more headers had C++ style SDPX line, fix that and change copyright
so that it is consistent with rest of the code in subsystem
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No C++ comments in .h files
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move to the regular help format, --help-- is no longer recommended.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/net/wireless/realtek/rtw88/phy.c: In function ‘rtw_get_channel_group’:
./include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
# define unlikely(x) __builtin_expect(!!(x), 0)
^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:125:2: note: in expansion of macro ‘unlikely’
unlikely(__ret_warn_on); \
^~~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:907:3: note: in expansion of macro ‘WARN_ON’
WARN_ON(1);
^~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:908:2: note: here
case 1:
^~~~
In file included from ./include/linux/bcd.h:5,
from drivers/net/wireless/realtek/rtw88/phy.c:5:
drivers/net/wireless/realtek/rtw88/phy.c: In function ‘phy_get_2g_tx_power_index’:
./include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
# define unlikely(x) __builtin_expect(!!(x), 0)
^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:125:2: note: in expansion of macro ‘unlikely’
unlikely(__ret_warn_on); \
^~~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:1021:3: note: in expansion of macro ‘WARN_ON’
WARN_ON(1);
^~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:1022:2: note: here
case RTW_CHANNEL_WIDTH_20:
^~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently the shift of an integer value more than 32 bits can
occur when nss is more than 32. Fix this by making the integer
constants unsigned long longs before shifting and bit-wise or'ing
with the u64 ra_mask to avoid the undefined shift behaviour.
Addresses-Coverity: ("Bad shift operation")
Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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e8303bb7a75c ("PCI/LINK: Report degraded links via link bandwidth
notification") added dmesg logging whenever a link changes speed or width
to a state that is considered degraded. Unfortunately, it cannot
differentiate signal integrity-related link changes from those
intentionally initiated by an endpoint driver, including drivers that may
live in userspace or VMs when making use of vfio-pci. Some GPU drivers
actively manage the link state to save power, which generates a stream of
messages like this:
vfio-pci 0000:07:00.0: 32.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x16 link at 0000:00:02.0 (capable of 64.000 Gb/s with 5 GT/s x16 link)
Since we can't distinguish the intentional changes from the signal
integrity issues, leave the reporting turned off by default. Add a Kconfig
option to turn it on if desired.
Fixes: e8303bb7a75c ("PCI/LINK: Report degraded links via link bandwidth notification")
Link: https://lore.kernel.org/linux-pci/20190501142942.26972-1-keith.busch@intel.com
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Fixes: d84aec42151b ("net: ll_temac: Fix support for 64-bit platforms")
Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The CPU accessible DMA memory is general and not used only for PQ.
Accordingly, this patch renames the "free_cpu_pq_dma_mem" label with
"free_cpu_dma_mem".
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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The disabled_wait() function uses its argument as the PSW address when
it stops the CPU with a wait PSW that is disabled for interrupts.
The different callers sometimes use a specific number like 0xdeadbeef
to indicate a specific failure, the early boot code uses 0 and some
other calls sites use __builtin_return_address(0).
At the time a dump is created the current PSW and the registers of a
CPU are written to lowcore to make them avaiable to the dump analysis
tool. For a CPU stopped with disabled_wait the PSW and the registers
do not really make sense together, the PSW address does not point to
the function the registers belong to.
Simplify disabled_wait() by using _THIS_IP_ for the PSW address and
drop the argument to the function.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Make the call chain more reliable by tagging the ftrace stack entries
with the stack pointer that is associated with the return address.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Rework the dump_trace() stack unwinder interface to support different
unwinding algorithms. The new interface looks like this:
struct unwind_state state;
unwind_for_each_frame(&state, task, regs, start_stack)
do_something(state.sp, state.ip, state.reliable);
The unwind_bc.c file contains the implementation for the classic
back-chain unwinder.
One positive side effect of the new code is it now handles ftraced
functions gracefully. It prints the real name of the return function
instead of 'return_to_handler'.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Change the __EMIT_BUG inline assembly to emit mergeable __bug_table
entries with type @progbits and specify the size of each entry.
The entry size is encoded sh_entsize field of the section definition,
it allows to identify which struct bug_entry to use to decode the
entries. This will be needed for the objtool support.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The text_dma.S code uses its own macro to generate an inline version of an
expoline. To make it easier to identify all expolines in the kernel use a
thunk and a branch to the thunk just like the rest of the kernel code does
it.
The name of the text_dma.S expoline thunk is __dma__s390_indirect_jump_r14
and the section is named .dma.text.__s390_indirect_jump_r14.
This will be needed for the objtool support.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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