| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently the comparison of used < 0 is always false because
uses is a size_t. Fix this by making used a ssize_t type.
Detected by Coccinelle:
drivers/misc/ocxl/file.c:320:6-10: WARNING: Unsigned expression
compared with zero: used < 0
Fixes: 5ef3166e8a32 ("ocxl: Driver code for 'generic' opencapi devices")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"Fix suspend to idle.
Testing on mainline after the initial regulator pull request went in
identified a regression for suspend to idle due to it calling the
suspend operations with states that it wasn't realized could happen,
this patch fixes the problem"
* tag 'regulator-fix-v4.16-suspend' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Fix suspend to idle
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When suspending to idle with the new suspend mode configuration support
we go through the suspend callbacks with a state of PM_SUSPEND_TO_IDLE
which we don't have regulator constraints for, causing an error. Avoid
this and similar errors by treating missing constraints as a noop.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"There is nothing really major here:
- fix display-timings lookup in the Device Tree in atmel_lcdfb driver
(Johan Hovold)
- fix video mode and line_length to be set correctly in vfb driver
(Pieter "PoroCYon" Sluys)
- fix returning nonsensical values to the user-space on GIO_FONTX
ioctl when using dummy console (Nicolas Pitre)
- add missing license tag to mmpfb driver (Arnd Bergmann)
- convert radeonfb and pxa3xx_gcu drivers to use ktime_get[_ts64]()
instead of the deprecated do_gettimeofday() (Arnd Bergmann)
- switch udlfb driver from using the pr_*() logging functions to the
dev_*() ones + related cleanups (Ladislav Michl)
- use __raw I/O accessors also on arm64 (Ji Zhang)
- fix Kconfig help text for intelfb driver (Randy Dunlap)
- do not duplicate features data in omapfb driver (Ladislav Michl)
- misc cleanups (Colin Ian King, Markus Elfring, Rasmus Villemoes,
Vasyl Gomonovych, Himanshu Jha, Michael Trimarchi)"
* tag 'fbdev-v4.16' of git://github.com/bzolnier/linux: (25 commits)
video: udlfb: Switch from the pr_*() to the dev_*() logging functions
video: udlfb: Constify read only data
video: fbdev/mmp: add MODULE_LICENSE
console/dummy: leave .con_font_get set to NULL
fbdev: mxsfb: use framebuffer_alloc in the correct way
video: udlfb: Do not name private data 'dev'
video: udlfb: Remove noisy warnings
video: udlfb: Remove redundant gdev variable
video: udlfb: Remove unnecessary local variable
fbdev: auo_k190x: Use zeroing memory allocator instead of allocator/memset
vfb: fix video mode and line_length being set when loaded
fbdev: arm64 use __raw I/O memory api
omapfb: dss: Do not duplicate features data
video: fbdev: omap2: Use PTR_ERR_OR_ZERO()
fbdev: au1200fb: delete duplicate header contents
fbdev: pxa3xx: use ktime_get_ts64 for time stamps
fbdev: radeon: use ktime_get() for HZ calibration
video: smscufx: Improve a size determination in two functions
video: udlfb: Delete an unnecessary return statement in two functions
video: udlfb: Improve a size determination in dlfb_alloc_urb_list()
...
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Use dev_err() and dev_info() instead of pr_err() and pr_info().
USB device is used as argument to dev_*() functions for probe
and urb manipulation, FB device for framebuffer related info.
Also noisy device probe output was partly removed as idVendor,
idProduct, name and serial are already printed by usb core,
and partly turned into debug output.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Both dlfb_fix and fb_device_attrs are never written to, so
it is safe to make them const.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Kbuild complains about the lack of a license tag in this driver:
WARNING: modpost: missing MODULE_LICENSE() in drivers/video/fbdev/mmp/mmp_disp.o
This adds the license, author and description tags.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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When this method is set, the caller expects struct console_font fields
to be properly initialized when it returns. Leave it unset otherwise
nonsensical (leaked kernel stack) values are returned to user space.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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framebuffer_alloc allocated the fb_info struct plus the extra
par and set fb_info->par pointer equal to this extra par. We
can refer the mxcfb_info from fb_info->par
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Tested-by: Stefan Agner <stefan@agner.ch>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Variable 'dev' is usually used for 'struct device'. Therefore
rename driver private data to dlfb to avoid confusion once
driver will be using dev_*() logging functions.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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These warnings comes from times of driver development and do
not carry any usefull debugging information.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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gdev is not really needed as the same content can be read
from udev->dev.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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'urb' is not needed and can be removed.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Use vzalloc for allocating zeroed memory and remove unnecessary
memset function.
Done using Coccinelle.
Generated-by scripts/coccinelle/api/alloc/kzalloc-simple.cocci.
0-day tested with no failures.
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
[b.zolnierkie: fixed minor issues in the patch description]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Currently, when loading the vfb module, the newly created fbdev
has a line_length of 0, and its video mode would be PSEUDOCOLOR
regardless of color depth. (The former could be worked around by
calling the FBIOPUT_VSCREENINFO ioctl with having the FBACTIVIATE_FORCE
flag set.) This patch automatically sets the line_length correctly,
and the video mode is derived from the bit depth now as well.
Thanks to Geert Uytterhoeven for confirming the bug and helping me with
the patch.
Output of `fbset -i' before the patch:
mode "1366x768-60"
# D: 72.432 MHz, H: 47.403 kHz, V: 60.004 Hz
geometry 1366 768 1366 768 32
timings 13806 120 10 14 3 32 5
rgba 8/0,8/8,8/16,8/24
endmode
Frame buffer device information:
Name : Virtual FB
Address : 0xffffaa1405d85000
Size : 4196352
Type : PACKED PIXELS
Visual : PSEUDOCOLOR
XPanStep : 1
YPanStep : 1
YWrapStep : 1
LineLength : 0 <-- note this
Accelerator : No
After:
mode "1366x768-60"
# D: 72.432 MHz, H: 47.403 kHz, V: 60.004 Hz
geometry 1366 768 1366 768 32
timings 13806 120 10 14 3 32 5
rgba 8/0,8/8,8/16,8/24
endmode
Frame buffer device information:
Name : Virtual FB
Address : 0xffffaa1405d85000
Size : 4196352
Type : PACKED PIXELS
Visual : TRUECOLOR
XPanStep : 1
YPanStep : 1
YWrapStep : 1
LineLength : 5464
Accelerator : No
Signed-off-by: "Pieter \"PoroCYon\" Sluys" <pcy@national.shitposting.agency>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
[b.zolnierkie: minor fixups]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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As features data are read only, there is no need to allocate their
copy on the heap.
Suggested-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Tested-by: Adam Ford <aford173@gmail.com> #omap3630
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Markus Elfring <elfring@users.sourceforge.net>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Adam Ford <adam.ford@logicpd.com>
[b.zolnierkie: fixed minor CodingStyle errors reported by checkpatch.pl]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Fix ptr_ret.cocci warnings:
drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c:676:1-3: WARNING: PTR_ERR_OR_ZERO can be used
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
Generated by: scripts/coccinelle/api/ptr_ret.cocci
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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This file has been copy-pasted-pasted:
~/linux$ x=drivers/video/fbdev/au1200fb.h; diff -u <(head -n 286 $x; head -n 286 $x) $x
~/linux$
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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do_gettimeofday() is deprecated because it is not y2038 safe, so I'm
changing the calculation for the diagnostic output over to using
'timespec64'.
We really only print time deltas here, so changing it to monotonic
time makes this more robust, the correct accessor for this is
ktime_get_ts64().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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do_gettimeofday() is deprecated and a bit clumsy. This changes
radeon_probe_pll_params() over to using ktime_get() with monotonic
times. There is no need to check for negative values any more
since the monotonic clocksource cannot go backwards, but I'm
adding a check for zero-division in case of a bad clocksource.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Replace the specification of data structures by pointer dereferences
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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The script "checkpatch.pl" pointed information out like the following.
WARNING: void function return statements are not generally useful
Thus remove such a statement in the affected functions.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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allocation in vt8500lcd_probe()
Omit an extra message for a memory allocation failure in this function
(please note that there can be only one vt8500lcdfb device in the system).
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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in wm8505fb_probe()
Omit an extra message for a memory allocation failure in this function
(please note that there can be only one wm8505fb device in the system).
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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The assignment of height to itself is redundant and can be removed.
Detected with Coccinelle.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Fix Kconfig symbol typo; it should be FB_INTEL.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.
To make things worse, the parent display node was also prematurely
freed.
Note that the display and timings node references are never put after a
successful dt-initialisation so the nodes would leak on later probe
deferrals and on driver unbind.
Fixes: b985172b328a ("video: atmel_lcdfb: add device tree suport")
Cc: stable <stable@vger.kernel.org> # 3.13
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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git://git.infradead.org/linux-platform-drivers-x86
Pull more x86 platform-drivers updates from Andy Shevchenko:
"The DEFINE_SHOW_ATTRIBUTE() macro was defined privately in three
locations and is useful for new and old users to avoid a lot of code
duplication.
Move the macro to seq_file.h.
Along with above, clean up three drivers to use that macro.
This, due to dependencies, was sent separately since affected changes
weren't upstream originally yet. The rationale of doing this now is to
allow use of new macro in v4.17 cycle in a conflictless manner"
* tag 'platform-drivers-x86-v4.16-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: samsung-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
platform/x86: ideapad-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
platform/x86: dell-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
seq_file: Introduce DEFINE_SHOW_ATTRIBUTE() helper macro
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...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The DEFINE_SHOW_ATTRIBUTE() helper macro would be useful for current
users, which are many of them, and for new comers to decrease code
duplication.
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- new watchdog device drivers for Realtek RTD1295 and Spreadtrum SC9860
platform
- add support for the following devices: jz4780 SoC, AST25xx series SoC
and r8a77970 SoC
- convert to watchdog framework: i6300esb_wdt, xen_wdt and sp5100_tco
- several fixes for watchdog core
- remove at32ap700x and obsolete documentation
- gpio: Convert to use GPIO descriptors
- rename gemini into FTWDT010 as this IP block is generc from Faraday
Technology
- various clean-ups and small bugfixes
- add Guenter Roeck as co-maintainer
- change maintainers e-mail address
* tag 'linux-watchdog-4.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (74 commits)
documentation: watchdog: remove documentation of w83697hf_wdt/w83697ug_wdt
documentation: watchdog: remove documentation for ixp2000
documentation: watchdog: remove documentation of at32ap700x_wdt
watchdog: remove at32ap700x_wdt
watchdog: sp5100_tco: Add support for recent FCH versions
watchdog: sp5100-tco: Abort if watchdog is disabled by hardware
watchdog: sp5100_tco: Use bit operations
watchdog: sp5100_tco: Convert to use watchdog subsystem
watchdog: sp5100_tco: Clean up function and variable names
watchdog: sp5100_tco: Use dev_ print functions where possible
watchdog: sp5100_tco: Match PCI device early
watchdog: sp5100_tco: Clean up sp5100_tco_setupdevice
watchdog: sp5100_tco: Use standard error codes
watchdog: sp5100_tco: Use request_muxed_region where possible
watchdog: sp5100_tco: Fix watchdog disable bit
watchdog: sp5100_tco: Always use SP5100_IO_PM_{INDEX_REG,DATA_REG}
watchdog: core: make sure the watchdog_worker is not deferred
watchdog: mt7621: switch to using managed devm_watchdog_register_device()
watchdog: mt7621: set WDOG_HW_RUNNING bit when appropriate
watchdog: imx2_wdt: restore previous timeout after suspend+resume
...
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Since AVR32 is gone, this driver is useless.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Starting with Family 16h Models 30h-3Fh and Family 15h Models 60h-6Fh,
watchdog address space decoding has changed. The cutover point is already
identified in the i2c-piix2 driver, so use the same mechanism.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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If the watchdog control register indicates that the watchdog hardware
is disabled even after we tried to enable it, there is no point to
instantiate the driver.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Using bit operations makes it easier to improve the driver.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Convert to watchdog subsystem. As part of that rework, use devm functions
where possible, and replace almost all static variables with a dynamically
allocated data structure.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Use more common function and variable names.
Use pdev instead of dev for platform device.
Use sp5100_tco_probe() instead of sp5100_tco_init() for the probe function.
Drop sp5100_tco_cleanup(); just move the code into sp5100_tco_remove().
Use sp5100_tco_init() instead of sp5100_tco_init_module() for the module
initialization function.
Use sp5100_tco_exit() instead of sp5100_tco_cleanup_module() for the module
exit function.
Use consistent defines for accessing the watchdog control register.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Use dev_ instead of pr_ functions where possible.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Match PCI device in module init function, not in the probe function.
It is pointless trying to probe if we can determine early that the device
is not supported.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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There are too many unnecessary goto statements in sp5100_tco_setupdevice().
Rearrange the code and limit goto statements to error handling.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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By using standard error codes, we can identify and return more than one
error condition.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Use request_muxed_region for multiplexed IO memory regions.
Also, SP5100_IO_PM_INDEX_REG/SP5100_IO_PM_DATA_REG are only
used during initialization; it is unnecessary to keep the
address range reserved.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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According to all published information, the watchdog disable bit for SB800
compatible controllers is bit 1 of PM register 0x48, not bit 2. For the
most part that doesn't matter in practice, since the bit has to be cleared
to enable watchdog address decoding, which is the default setting, but it
still needs to be fixed.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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SP5100_IO_PM_INDEX_REG and SB800_IO_PM_INDEX_REG are used inconsistently
and define the same value. Just use SP5100_IO_PM_INDEX_REG throughout.
Do the same for SP5100_IO_PM_DATA_REG and SB800_IO_PM_DATA_REG.
Use helper functions to access the indexed registers.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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commit 4cd13c21b207e ("softirq: Let ksoftirqd do its job") has the
effect of deferring timer handling in case of high CPU load, hence
delaying the delayed work allthought the worker is running which
high realtime priority.
As hrtimers are not managed by softirqs, this patch replaces the
delayed work by a plain work and uses an hrtimer to schedule that work.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Guenter Roeck <Linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This does the necessary cleanup on driver unload automatically.
Signed-off-by: André Draszik <git@andred.net>
Cc: linux-watchdog@vger.kernel.org
Cc: John Crispin <john@phrozen.org>
Reviewed-by: Guenter Roeck <Linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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If the watchdog hardware is enabled/running during boot, e.g.
due to a boot loader configuring it, we must tell the
watchdog framework about this fact so that it can ping the
watchdog until userspace opens the device and takes over
control.
Do so using the WDOG_HW_RUNNING flag that exists for exactly
that use-case.
Given the watchdog driver core doesn't know what timeout was
originally set by whoever started the watchdog (boot loader),
we make sure to update the timeout in the hardware according
to what the watchdog core thinks it is.
Signed-off-by: André Draszik <git@andred.net>
Cc: linux-watchdog@vger.kernel.org
Cc: John Crispin <john@phrozen.org>
Reviewed-by: Guenter Roeck <Linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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