- 07 Jul, 2018 5 commits
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Colin Ian King authored
Pointers chip_info and spi_dev_id are being assigned but are never used hence they are redundant and can be removed. Cleans up clang warning: warning: variable 'chip_info' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Colin Ian King authored
Variable shift is being assigned but is never used hence it is redundant and can be removed. Cleans up two clang warnings: warning: variable ‘shift’ set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Nikolaus Voss authored
struct i2c_device_id argument of probe() is not used, so use probe_new() instead. Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Nikolaus Voss authored
Use device_get_match_data API to simplify access to driver data. Let acpi_device_id table entries point to the same driver data as of_device_id table entries and uniquify access to driver data by using device_get_match_data API. Remove unused i2c_device_id .driver_data fields. Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Akinobu Mita authored
When the buffer is enabled for ina2xx driver, a dedicated kthread is invoked to capture mesurement data. When the buffer is disabled, the kthread is stopped. However if the kthread gets register access errors, it immediately exits and when the malfunctional buffer is disabled, the stale task_struct pointer is accessed as there is no kthread to be stopped. A similar issue in the usbip driver is prevented by kthread_get_run and kthread_stop_put helpers by increasing usage count of the task_struct. This change applies the same solution. Cc: Stefan Brüns <stefan.bruens@rwth-aachen.de> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Fixes: c43a102e ("iio: ina2xx: add support for TI INA2xx Power Monitors") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 30 Jun, 2018 6 commits
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Freeman Liu authored
The Spreadtrum SC27XX PMICs ADC controller contains 32 channels, which is used to sample voltages with 12 bits conversion. [Baolin Wang did lots of improvements] Signed-off-by: Freeman Liu <freeman.liu@spreadtrum.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Baolin Wang authored
This patch adds the binding documentation for Spreadtrum SC27XX series PMICs ADC controller device. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Akinobu Mita authored
The ADXL345 provides the offset adjustment registers for each axis. This adds the iio channel information for the calibraion offsets with that feature. Cc: Eva Rachel Retuya <eraretuya@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Akinobu Mita authored
Currently the address field in iio_chan_spec is filled with an accel data register address for the corresponding axis. In preparation for adding calibration offset support, this sets the address field to the index of accel data registers instead of the actual register address. This change makes it easier to access both accel registers and calibration offset registers with fewer lines of code as these are located in X-axis, Y-axis, Z-axis order. Cc: Eva Rachel Retuya <eraretuya@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Akinobu Mita authored
Add a link to the ADXL345 datasheet Cc: Eva Rachel Retuya <eraretuya@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Karim Eshapa authored
Doing some macro replacement to start an array of structures so it can be reused by manipulating it with different values. Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 28 Jun, 2018 29 commits
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Michael Straube authored
Remove unrequired whitespace in some declarations, fix an indentation and remove unrequired blank lines. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
Use the mac_pton() helper to convert the mac address string. The functions key_char2num() and key_2char2num() are not used anywhere else and can be removed. This also has the benefit of validating the input since mac_pton() returns false if the string is not valid. Signed-off-by: Michael Straube <straube.linux@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
Use ether_addr_copy() instead of memcpy() to copy the mac address. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
Using is_broadcast_ether_addr() and is_zero_ether_addr() instead of testing each byte of the mac[] array for 0xff and 0x00 shortens the code and improves readability. If np == NULL, of_get_property() returns NULL, hence the "np" check is not needed. Instead of a fixed default mac address use a random one to reduce the likelihood of mac address collision. Thanks to Joe Perches and Dan Carpenter. Suggested-by: Joe Perches <joe@perches.com> Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
Fix comparsion to NULL issues found by checkpatch. Use !x instead of x == NULL. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Joe Perches authored
random_ether_addr is a #define for eth_random_addr which is generally preferred in kernel code by ~3:1 Convert the uses of random_ether_addr to enable removing the #define Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
Remove unrequired blank lines after open and before close braces. Reported by checkpatch. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Collier authored
Fix two "CHECK: Macro argument 'N' may be better as '(N)' to avoid precedence issue" messages, reported by checkpatch, by adding parentheses around the offending macro argument references. Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Collier authored
checkpatch gives the following message for the p80211rate_to_p2bit macro: CHECK: Macro argument reuse 'n' - possible side-effects? To fix the message, replace the macro with an equivalent inline function. Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Collier authored
checkpatch reports a "CHECK" diagnostic for WLAN_CTL_FRAMELEN as the macro reuses its argument, leading to possible side-effects. Avoid this by replacing the macro with an equivalent function, named wlan_ctl_framelen (as recommended in the coding style). All references to the macro also updated accordingly. Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Collier authored
Fix "CHECK: Alignment should match open parenthesis" reported by checkpatch.pl. Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jia-Ju Bai authored
The driver may sleep with holding a spinlock. The function call path (from bottom to top) in Linux-4.16.7 is: [FUNC] schedule drivers/staging/rtlwifi/halmac/rtl_halmac.c, 884: schedule in _is_fw_read_cmd_down drivers/staging/rtlwifi/halmac/rtl_halmac.c, 912: _is_fw_read_cmd_down in rtl_halmac_send_h2c drivers/staging/rtlwifi/halmac/rtl_halmac.c, 907: _raw_spin_lock_irqsave in rtl_halmac_send_h2c To fix this bug, schedule() is replaced with mdelay(1). This bug is found by my static analysis tool (DSAC-2) and checked by my code review. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Chris Opperman authored
Improve readability of prism2_add_key: a) Reduce nesting and removed goto statement by using more return statements. Signed-off-by: Chris Opperman <eklikeroomys@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Arnd Bergmann authored
The driver has rather excessive amount of tracing code, which would be better done using ftrace. This is obviously not a main feature of the driver, and it should work just as well without it. Removing it saves over 1300 lines of code and likely makes the driver a bit faster by avoiding lots of calls into the timekeeping code. I came across this while cleaning up the last users of the deprecated getnstimeofday64() function, of which there is one in the now-removed get_current_time() function of the rtsx driver that was only used for tracing. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Omer Efrat authored
The BIT macro uses unsigned long which some architectures handle as 32 bit and therefore might cause macro's shift to overflow when used on a value equals or larger than 32 (NL80211_STA_INFO_RX_DURATION and afterwards). Since 'filled' member in station_info changed to u64, BIT_ULL macro should be used with all NL80211_STA_INFO_* attribute types instead of BIT to prevent future possible bugs when one will use BIT macro for higher attributes by mistake. This commit cleans up all usages of BIT macro with the above field in cfg80211 by changing it to BIT_ULL instead. Signed-off-by: Omer Efrat <omer.efrat@tandemg.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Marcin Ciupak authored
This patch fixes following sparse warning: Using plain integer as NULL pointer in drivers/staging/most/dim2/dim2.c Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Straube authored
The function rtw_set_tx_chksum_offload() has empty definition. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Henriette Hofmeier authored
Change comment from 'local variable' to 'global variables' and change style to comply with coding-style. Signed-off-by: Henriette Hofmeier <passt@h-hofmeier.de> Signed-off-by: Florian Harbecke <florian.harbecke@fau.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Henriette Hofmeier authored
Remove initializations of global variables with 0. Criticized by checkpatch. Signed-off-by: Henriette Hofmeier <passt@h-hofmeier.de> Signed-off-by: Florian Harbecke <florian.harbecke@fau.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Henriette Hofmeier authored
Move open braces of definitions to the next line to comply with codestyle. Criticized by checkpatch. Signed-off-by: Henriette Hofmeier <passt@h-hofmeier.de> Signed-off-by: Florian Harbecke <florian.harbecke@fau.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jia-Ju Bai authored
The driver may sleep with holding a spinlock. The function call paths (from bottom to top) in Linux-4.16.7 are: [FUNC] kzalloc(GFP_KERNEL) drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 323: kzalloc in translate_scan drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1554: translate_scan in rtw_wx_get_scan drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1533: spin_lock_bh in rtw_wx_get_scan [FUNC] kzalloc(GFP_KERNEL) drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 455: kzalloc in translate_scan drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1554: translate_scan in rtw_wx_get_scan drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1533: spin_lock_bh in rtw_wx_get_scan To fix these bugs, GFP_KERNEL is replaced with GFP_ATOMIC. These bugs are found by my static analysis tool (DSAC-2) and checked by my code review. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Arnd Bergmann authored
get_monotonic_boottime() is deprecated because it uses the old 'timespec' structure. This replaces one of the last callers with a call to ktime_get_boottime, which also simplifies it a bit by avoiding a double conversion. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
Fix 'braces {} should be used on all arms of this statement' coding style problem in 'phy_get_tx_pwr_lmt()'. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
The if conditionals used to work around wrong TX power limit indices can be condensed into a single if/else-if statement for more concise expression. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
Two conditionals that set 'channel' based on 'band_type' in 'phy_get_tx_pwr_lmt()' can be simplified into one single-line conditional. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
Factoring out the conditional lookup of bandwidth index into the power limit table into it's own function simplifies the logic of 'phy_get_tx_pwr_lmt()'. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
The rate section lookup is a large switch statement in the middle of 'phy_get_tx_pwr_lmt()'; refactor this statement into it's own function for increased readability. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quytelda Kahja authored
This else-if conditional block does nothing; remove it. Signed-off-by: Quytelda Kahja <quytelda@tamalin.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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