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If CONFIG_PM_SLEEP is enabled and CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
is not, a forward declaration of the uart_driver struct is not
included, leading to a build error due to an undeclared variable.
Fixing this by moving the definition of the struct uart_driver before
the definition of the suspend/resume callbacks.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Initialize varibles for which a 'may be used uninitalized' warning is
issued.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sparse displays the following:
CHECK drivers/staging/rtl8188eu/core/rtw_p2p.c
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: got restricted __le16 *<noident>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sparse displays the following:
CHECK drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: got restricted __le16 *<noident>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sparse displays the following:
CHECK drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:285:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:285:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:285:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:368:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:368:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:368:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:403:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:403:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:403:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:465:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:465:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c:465:15: got restricted __le16 *<noident>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sparse reports the following:
CHECK drivers/staging/rtl8188eu/core/rtw_ieee80211.c
drivers/staging/rtl8188eu/core/rtw_ieee80211.c:1593:14: warning: cast to restricted __le16
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the use of the `S626_MULT_X1`, `S626_MULT_X2` and `S626_MULT_X4`
clock multiplier values with the equivalent `S626_CLKMULT_1X`,
`S626_CLKMULT_2X` and `S626_CLKMULT_4X` values to avoid duplication.
Replace the use of `S626_MULT_X0` with a new macro
`S626_CLKMULT_SPECIAL` (this is treated specially by the
'ClkMultA'/'ClkMultB' field of the 'CRA'/'CRB' register). Remove the
now unused `S626_MULT_X?` macros.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `S626_BF_*` bitfield position macros are no longer used and are just
a subset of the corresponding `S626_STDBIT_*` bitfield position macros.
Remove them.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 'IndxSrc' value for the standardized encoder setup is currently 1
bit wide and takes one of the following values:
S626_INDXSRC_HARD = 0 // index source from hardware encoder
S626_INDXSRC_SOFT = 1 // index source software controlled by IndxPol
However the hardware 'IndxSrcA' and 'IndxSrcB' values for the 'A' and
'B' counters are 2 bits wide. The above standardized values 0 and 1
correspond to the hardware values 0 and 2.
In order to simplify conversions between the standardized values and
hardware values, expand the range of standardized values to cover all
four possible values. The new values are as follows:
S626_INDXSRC_ENCODER = 0 // index source from hardware encoder
S626_INDXSRC_DIGIN = 1 // index source from digital inputs
S626_INDXSRC_SOFT = 2 // index source s/w controlled by IndxPol
S626_INDXSRC_DISABLED = 2 // index source disabled
(Note the change in value for `S626_INDXSRC_SOFT` and the replacement of
`S626_INDXSRC_HARD` with `S626_INDXSRC_ENCODER` for consistency with the
`CntSrc` values.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the new macros defined in "s626.h" for constructing and decomposing
'CRA', 'CRB' and standardized encoder setup values to make the
conversions between standardized encoder setup values, and CRA/CRB
register values easier to follow.
There is some messing about with the 'IndxSrc' values which are 1-bit
wide in the standardized encoder setup, and 2-bit wide in the 'CRA' and
'CRB' register values. This will be addressed by a later patch.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case of error, the function platform_device_register_simple() returns
ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As pointed out by Hartley Sweeten, one of my recent patches resulted in
the start of a multi-line comment ending up misaligned. Fix it.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The latest version of NetworkManager does not recognize the device as wireless
without this change.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # [3.12+]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Emitting an OOM message isn't necessary after input_allocate_device
as there's a generic OOM and a dump_stack already done.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Checking if MAC address is valid using is_valid_ether_addr() is already done in
of_get_mac_address().
Signed-off-by: Luka Perkov <luka@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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imx27 pincontrol driver using the imx1 core driver. The DT bindings are
similar to other imx pincontrol drivers.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch removes a space before semicolon as
specified by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The FUNCTION_TYPE parameter isn't associated with any NID, thus
showing the uninitialized nid in the error message is simply
nonsense.
Spotted by coverity CID 145068.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Removed a developer debug statement per the TODO list. Additionally,
removed braces for the if-statement to match coding style.
Signed-off-by: Chuong Ngo <cngo.github@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spotted by coverity CIDs 751505 and 751506.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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changed it to lowercase
Running checkpatch.pl on the file drivers/staging/bcm/Adapter.h gave
an error as it is a mistake to use typedef for structures
according to CodeingStyle as it reduces readability. The typedef was
removed and all occurrences of the typedef union were replaced with
union u_ip_address as types are all lowercase.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the Sparse Warnings "symbol was
not declared. Should it be static?" and "defined
but not used [-Wunused-variable]"
in reg.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The size of the register cache array is actually 6 instead of 7,
as it caches up to AK4114_REG_INT1_MASK. This resulted in unexpected
access out of array range, although most of them aren't so serious
(just reading one more byte on the stack at snd_ak4114_create()).
Also, the check of cache size was wrongly done by checking with
sizeof() instead of ARRAY_SIZE(). Fixed this together.
(And yes, hardcoded numbers are bad, but I keep the coding style as is
for making it clear what this patch actually does.)
Spotted by coverity among several CIDs, e.g. 711621.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch fixes Sparse Warnings "symbol was not
declared. Should it be static?" and "defined
but not used [-Wunused-function]" in
phy_calibration.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use memdup_user rather than duplicating implementation. Fix following
coccinelle warnings:
drivers/staging/comedi/comedi_fops.c:1425:5-12: WARNING opportunity for memdup_user
drivers/staging/comedi/comedi_fops.c:1553:6-13: WARNING opportunity for memdup_user
Signed-off-by: Teodora Baluta <teobaluta@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling fixes from Ingo Molnar:
"This contains five tooling fixes:
- fix a remaining mmap2 assumption which resulted in perf top output
breakage
- fix mmap ring-buffer processing bug that corrupts data
- fix for a severe python scripting memory leak
- fix broken (and user-visible) -g option handling
- fix stdio output
The diffstat size is larger than what we'd like to see this late :-/"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf tools: Fixup mmap event consumption
perf top: Split -G and --call-graph
perf record: Split -g and --call-graph
perf hists: Add color overhead for stdio output buffer
perf tools: Fix up /proc/PID/maps parsing
perf script python: Fix mem leak due to missing Py_DECREFs on dict entries
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Linux uses a return type of int for status codes. The file
ft1000_download.c uses a mixture of u16 and u32. This patch changes all
variables called status or Status to ints, whether they are returned
from the function or not. It also changes the return type of all
functions returning one of the variables to correspond. Also, the
declaration of scram_dnldr has been changed in ft1000_usb.h.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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function write_blk, in ft1000_download.c, contains many coding style
issues. It has indentations of 3 spaces, long lines, C99 comments, and
extra whitespace. It also has a return type of u32, and changing the
returned variable in the function triggers a checkpatch leading spaces
warning. Indentation should be fixed throughout the file for
consistency.
This patch fixes those issues, in preparation for correcting the status
return type throughout the file. The variable Status has been changed
from u32 to int and renamed status.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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function write_blk is long and overly complex, consisting of a triply
nested loop. It also has improper indentation and line lengths
throughout, and has return type of u32 rather than int. Some of the
lines, when converted to proper indentation, create checkpatch warnings
for too many leading tabs.
This patch extracts the innermost loop into its own function,
write_dpram32_and_check. This removes several levels of indentation from
the extracted lines and makes the original function simpler. Two local
variables from the original function, u16 resultbuffer[] and a loop
counter, have been made local variables of the new function. Two calls
to msleep() have been replaced with usleep_range() as per Documentation/
timers/timers-howto.txt (which was referred to in a checkpatch warning).
Several other style issues in the extracted code have been corrected as
well.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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function scram_dnldr, in ft1000_download.c, is very long and consists
mainly of nested switch statements inside a while loop. Some code in one
of the inner switch cases was almost identical to the code in the
previously extracted function request_code_segment. The duplicated code
was replaced with a call to request_code_segment, and
request_code_segment was slightly modified to work in both cases.
A new parameter was added to request_code_segment, a bool to distinguish
which case it was replacing. The name of an existing parameter (now
called endpoint) was changed to reflect the fact that it will be passed
in from more than one place. Several lines from the case containing the
duplicated code were moved to request_code_segment, and a test was added
to determine if these lines or a line from the original function should
be run.
Finally, an unused variable (tempword) was removed from scram_dnldr.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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function scram_dnldr in ft1000_download.c is very long and contains many
coding style errors and best practice violations. It consists of nested
switch statements inside a while loop. One of the inner switch cases has
been extracted as a helper function. Also, some style errors (such as
C99 comments) have been fixed, an assignment to an unread variable has
been removed, and break statements inside ifs have been converted to
returns.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Without the timer debugging, the delayed kobject release will just
result in undebuggable oopses if it triggers any latent bugs. That
doesn't actually help debugging at all.
So make DEBUG_KOBJECT_RELEASE depend on DEBUG_OBJECTS_TIMERS to avoid
having people enable one without the other.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Just pass the error code returned from copy_from_user_toio() and
copy_to_user_fromio() helpers.
Spotted by coverity CID 114119.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The variable runtime is never used, and this might be even a source of
NULL-dereference. Nothing better than killing it.
Spotted by coverity CID 100862.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The right attenuation bits aren't needed to be shifted.
Spotted by coverity CID 11427.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We tend to make stupid mistakes with strncpy(). Let's take a safer
one, strlcpy().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When no proper id string is given, the driver tries to fall back to
copy the proc_root name string via strcpy(), but this might overflow
the fixed string size. Let's use strlcpy().
Spotted by coverity CID 139008.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When nopcm=1 is set, some initializations based on hrtimer resolution
might be bogus because the driver checks the resolution only when
nopcm=0. Simply get the resolution always at first for fixing the
bug.
Spotted by coverity CID 139740.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Spotted by coverity CID 115196.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Core driver for register formats of imx1/imx21/imx27 processors.
The pins of those processors are grouped into ports. Each port has 32
pins. The pins mux configuration is controlled by registers with 1 or 2
bit per pin, depending on the specific control register.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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If the firmware image that we attempt to load doesn't
actually exist we have a broken firmware file or other
code not checking things correctly, so warn in such a
case. Also avoid assigning cur_ucode/ucode_loaded then.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When writing the disable_power_off value, the LPRX
enable value also gets written unintentionally, so
fix that by adding the missing break statement.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This can be useful when using the device as a sniffer.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Having a WARN_ON() followed by a printed message is
less useful than having the message in the warning
so move the message.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When we disassociate, mac80211 removes the station and
then, it sets the bss it unsets the assoc bool in bss_info.
Since the firwmware wants it the opposite (first set the
MAC context as unassoc, and only then, remove the STA of
the API), we have a small period of time in which the STA
in firmware doesn't have a valid ieee80211_sta pointer.
During that time, iwl_mvm_vif->ap_sta_id, is still set
to the STA in firmware that represent the AP.
This avoids:
[ 4481.476246] BUG: unable to handle kernel NULL pointer dereference at 00000045
[ 4481.479521] IP: [<f8416a6a>] iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm]
[ 4481.482023] *pde = 00000000
[ 4481.484332] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 4481.486897] Modules linked in: netconsole configfs autofs4 rfcomm(O) bnep(O) nfsd nfs_acl auth_rpcgss exportfs nfs lockd binfmt_misc sunrpc fscache arc4 iwlmvm(O) mac80211(O) btusb(O) iwlwifi(O) bluetooth(O) cfg80211(O) snd_hda_codec_hdmi coretemp dell_wmi snd_hda_codec_idt compat(O) dell_laptop aesni_intel i915 sparse_keymap dcdbas cryptd psmouse serio_raw aes_i586 microcode snd_hda_intel drm_kms_helper snd_hda_codec drm snd_pcm snd_timer i2c_algo_bit video intel_agp intel_gtt snd soundcore snd_page_alloc crc32c_intel ahci sdhci_pci libahci sdhci mmc_core e1000e xhci_hcd [last unloaded: configfs]
[ 4481.502983]
[ 4481.505599] Pid: 6507, comm: kworker/0:1 Tainted: G O 3.4.43-dev #1 Dell Inc. Latitude E6430/0CMDYV
[ 4481.508575] EIP: 0060:[<f8416a6a>] EFLAGS: 00010246 CPU: 0
[ 4481.511248] EIP is at iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm]
[ 4481.513947] EAX: ffffffea EBX: 00000002 ECX: 00000001 EDX: 00000001
[ 4481.516710] ESI: ec6f0f28 EDI: 00000000 EBP: e8175dfc ESP: e8175d9c
[ 4481.519445] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 4481.522185] CR0: 8005003b CR2: 00000045 CR3: 01a5e000 CR4: 001407d0
[ 4481.524950] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 4481.527768] DR6: ffff0ff0 DR7: 00000400
[ 4481.530565] Process kworker/0:1 (pid: 6507, ti=e8174000 task=e8032b20 task.ti=e8174000)
[ 4481.533447] Stack:
[ 4481.536379] e472439f 00003a12 e8032b20 e8033048 00000001 e8175ddc 00000246 e8033040
[ 4481.540132] 00000002 01814990 ec4d1ddc e8175dcc 00000000 00000000 00000000 00000000
[ 4481.543867] 00000000 00000000 00000001 000001c8 009b0002 ec4d1ddc ec6f0f28 00000000
[ 4481.547633] Call Trace:
[ 4481.550578] [<f8418027>] iwl_mvm_bt_rssi_event+0x197/0x220 [iwlmvm]
[ 4481.553537] [<f840919c>] iwl_mvm_stat_iterator+0xdc/0x240 [iwlmvm]
[ 4481.556582] [<f8d129c2>] __iterate_active_interfaces+0xe2/0x1f0 [mac80211]
[ 4481.559544] [<f84090c0>] ? iwl_mvm_update_smps+0x90/0x90 [iwlmvm]
[ 4481.562519] [<f84090c0>] ? iwl_mvm_update_smps+0x90/0x90 [iwlmvm]
[ 4481.565498] [<f8d12b0c>] ieee80211_iterate_active_interfaces+0x3c/0x50 [mac80211]
[ 4481.568421] [<f8409b43>] iwl_mvm_rx_statistics+0xb3/0x130 [iwlmvm]
[ 4481.571349] [<f8405431>] iwl_mvm_async_handlers_wk+0xc1/0xf0 [iwlmvm]
[ 4481.574251] [<c1052915>] ? process_one_work+0x105/0x5c0
[ 4481.577162] [<c1052991>] process_one_work+0x181/0x5c0
[ 4481.580025] [<c1052915>] ? process_one_work+0x105/0x5c0
[ 4481.582861] [<f8405370>] ? iwl_mvm_rx_fw_logs+0x20/0x20 [iwlmvm]
[ 4481.585722] [<c10530f1>] worker_thread+0x121/0x2c0
[ 4481.588536] [<c1052fd0>] ? rescuer_thread+0x1d0/0x1d0
[ 4481.591323] [<c105af0d>] kthread+0x7d/0x90
[ 4481.594059] [<c105ae90>] ? flush_kthread_worker+0x120/0x120
[ 4481.596868] [<c15b7cc2>] kernel_thread_helper+0x6/0x10
[ 4481.599605] Code: 9d de c3 c8 85 c0 74 0d 80 3d f8 ae 42 f8 00 0f 84 dc 00 00 00 8b 45 c8 0f b6 d3 31 ff 89 55 c0 8b 84 90 d8 03 00 00 0f b6 55 c7 <38> 50 5b 89 45 bc 0f 84 a8 00 00 00 a1 e4 d2 04 c2 85 c0 0f 84
[ 4481.611782] EIP: [<f8416a6a>] iwl_mvm_bt_coex_reduced_txp+0x7a/0x190 [iwlmvm] SS:ESP 0068:e8175d9c
[ 4481.614985] CR2: 0000000000000045
[ 4481.687441] ---[ end trace b11bc915fbac4412 ]---
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The number of commands can never be negative, so it should
be using an unsigned type. This also shuts up an smatch
warning elsewhere in the code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Change old UAPSD bit to PM_CMD_SUPPORT, and add a new bit to indicate
real UAPSD support.
Don't use UAPSD when the firmware doesn't support it.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Currently we only optimize the context switch between two
contexts that have the same parent; this forgoes the
optimization between parent and child context, even though these
contexts could be equivalent too.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Shishkin, Alexander <alexander.shishkin@intel.com>
Link: http://lkml.kernel.org/r/20131007164257.GH3081@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Originally I've thought that this is leftover hw state dirt from the
BIOS. But after way too much helpless flailing around on my part I've
noticed that the actual bug is when we change the state of an already
active pipe.
For example when we change the fdi lines from 2 to 3 without switching
off outputs in-between we'll never see the crucial on->off transition
in the ->modeset_global_resources hook the current logic relies on.
Patch version 2 got this right by instead also checking whether the
pipe is indeed active. But that in turn broke things when pipes have
been turned off through dpms since the bifurcate enabling is done in
the ->crtc_mode_set callback.
To address this issues discussed with Ville in the patch review move
the setting of the bifurcate bit into the ->crtc_enable hook. That way
we won't wreak havoc with this state when userspace puts all other
outputs into dpms off state. This also moves us forward with our
overall goal to unify the modeset and dpms on paths (which we need to
have to allow runtime pm in the dpms off state).
Unfortunately this requires us to move the bifurcate helpers around a
bit.
Also update the commit message, I've misanalyzed the bug rather badly.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70507
Tested-by: Jan-Michael Brummer <jan.brummer@tabos.org>
Cc: stable@vger.kernel.org
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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V3 of the NFQUEUE target ignores the --queue-bypass flag,
causing packets to be dropped when the userspace listener
isn't running.
Regression is in since 8746ddcf12bb26 ("netfilter: xt_NFQUEUE:
introduce CPU fanout").
Reported-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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