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The same key is used in toshiba-laptop, and there is no
reserved key for that.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Callback methods should not refer to a variable like "eeepc" (formally
"ehotk"). Instead, they should extract the data they need either from
a "driver data" parameter, or the "driver data" field of the object
which they operate on. The "eeepc" variable can then be removed.
In practice, drivers under "drivers/platform" can get away without using
driver data, because it doesn't make sense to have more than one
instance of them. However this makes it harder to review them for
correctness. This is especially true for core ACPI developers who have
not previously been exposed to this anti-pattern :-).
This will serve as an example of best practice for new driver writers
(whether they find it themselves, or have it pointed out during review
:-).
The hwmon sub-device is a special case. It uses ec_{read,write} which
are defined to communicate with the (first) EC, so it does not require
any driver data. It should still only be instantiated in the context of
an ASUS010 device because we don't have a safe way to probe for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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eeepc-laptop now does a lot more than just hotkeys. Replace the "hotk"
names used throughout the driver with some slightly more appropriate
names. The actual strings used in kernel messages and sysfs are left
unchanged.
e.g.
EEEPC_HOTK_FILE -> EEEPC_LAPTOP_FILE
EEEPC_HOTK_HID -> EEEPC_ACPI_HID
eeepc_hotk_notify -> eeepc_acpi_notify
struct eeepc_hotk -> struct eeepc_laptop
ehotk -> eeepc
I'm about to refactor the entire driver to remove the global "ehotk"
variable, and I don't wish to add "struct eeepc_hotk *ehotk" to
functions which have nothing to do with hotkeys.
Also
- fix the name of "eepc_get_entry_by_keycode()"
- remove the unused definition of NOTIFY_WLAN_ON.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Move e.g. backlight_init() and backlight_exit() together along with the
other backlight functions, instead of grouping init() and exit()
functions. Move e.g. backlight_ops to follow the functions it refers
to, and remove the forward declarations. The code itself should remain
unchanged.
The eeepc-laptop driver implements a number of interfaces like the
backlight class driver. This change makes it easier to examine the
implementation of one interface at at a time, without having to search
through the file to find init() and exit() functions etc.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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This moves the sysfs_create_group() call just after the declaration of
the platform device attributes. It should make it easier to examine
the implementation of the platform device attributes in isolation
from the rest of the code. (The next commit will apply this pattern
to all of the sub-devices as well).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk
Signed-off-by: Len Brown <len.brown@intel.com>
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Strictly speaking we should register the platform driver exactly once,
whether there are zero, one, or multiple matching acpi devices.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Separate out input_notify(), in a similar way to how notify_brn()
is already separated. This will allow all the functions which refer to
the input device to be grouped together.
This includes a small behaviour change - we now synthesize brightness
up/down key events even if the brightness is already at the
maximum/minimum value. This is consistent with the new uevent
interface.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The hwmon device uses ec_write() to write values to the EC. So for
consistency it should use ec_read() to read values. The extra layers
of indirection used did not add any value.
This may mean we no longer take the ACPI global lock for such reads
(if the EC operation region requires the lock and the EC does not).
But there is no point locking each one-byte read individually, when
write operations do not use the lock at all.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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We don't need to store init_flags after using them. And we don't use
the result of INIT, so we don't need to allocate a buffer for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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We already tell the backlight class our maximum brightness value; it
will validate the user requested values for us.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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eeepc_hotk_notify() cannot be called with ehotk == NULL or bd == NULL.
We check both variables for allocation failure and would bail out before
the notifier is registered.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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If the control method does not exist, return -ENODEV for consistency
with get_acpi()
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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If we bail out because we can't create the led class device, we need to
ensure the led workqueue is cleaned up.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Create the workqueue thread used by tpd_led_set() *before* we register
the led device. (And vice versa for unregistration).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Documentation/hwmon/sysfs-interface tells us that automatic fan speed
control should be represented by a value of 2 or above for pwm1_enable.
Fix eeepc_get_fan_ctrl() to return 2 for automatic fan control.
Setting "1" for manual control is already consistent with the
documentation, so this remains unchanged.
Let's preserve the ABI for this specific driver, so that writing "0"
will still invoke automatic control.
(The documentation says setting "0" should leave the fan at full speed
all the time. This mode is not directly supported by our hardware. Full
speed is rather noisy on my 701 and the automatic control has never used
it. If you really want this e.g. to prolong the life of an EeePC used
as a server, you can always use manual mode. hwmon has always been
fairly machine-specific, and you're in a tiny minority (or elite :-).
I'm sure you're smart enough to notice that the fan doesn't turn on to
full speed when you try this mode, either by ear or checking
fan_input1.
We could even claim to be honouring the spirit of the documentation.
"0" really means "safe mode". EeePCs default to automatic mode, ie that
is what Asus will actually test. Since we do not provide any way to
tamper with the temperature threshold, automatic mode _is_ the safe
option).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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This led can be found on Eeepc 1005 series.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Currently, reading from the disp attribute fails with "No such device",
which is misleading. According to CMSG table on acpi4asus project site,
no models have a getter method corresponding to SDSP. Change the file
permission to disallow reads.
If some joker changes the permission to permit reads, then return -EIO
to be consistent with sysfs' behaviour when no show() method is
provided.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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request_region should be used with release_region, not request_mem_region.
Geert Uytterhoeven pointed out that in the case of drivers/video/gbefb.c,
the problem is actually the other way around; request_mem_region should be
used instead of request_region.
The semantic patch that finds/fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r1@
expression start;
@@
request_region(start,...)
@b1@
expression r1.start;
@@
request_mem_region(start,...)
@depends on !b1@
expression r1.start;
expression E;
@@
- release_mem_region
+ release_region
(start,E)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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TXx9 SPI bit rate is calculated by:
fBR = (spi-baseclk) / (n + 1)
Fix calculation of min_speed_hz, max_speed_hz and n.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Correct WM831X_MAX_ISEL_VALUE
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These laptops often leave i8042 in a wierd state resulting in non-
operational touchpad and keyboard.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://neil.brown.name/md:
md: revert incorrect fix for read error handling in raid1.
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Jon confirms that recent modprobe will look in /proc/cmdline, so these
cmdline options can still be used.
See http://bugzilla.kernel.org/show_bug.cgi?id=14164
Reported-by: Adam Williamson <awilliam@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: RB532: Fix devices.c compilation.
MIPS: Fix MIPS I build.
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[PATCH] rc32434_wdt: fix compilation failure
[WATCHDOG] rc32434_wdt.c: use resource_size()
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On the parisc architecture we face for each and every loaded kernel module
this kernel "badness warning":
sysfs: cannot create duplicate filename '/module/ac97_bus/sections/.text'
Badness at fs/sysfs/dir.c:487
Reason for that is, that on parisc all kernel modules do have multiple
.text sections due to the usage of the -ffunction-sections compiler flag
which is needed to reach all jump targets on this platform.
An objdump on such a kernel module gives:
Sections:
Idx Name Size VMA LMA File off Algn
0 .note.gnu.build-id 00000024 00000000 00000000 00000034 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
1 .text 00000000 00000000 00000000 00000058 2**0
CONTENTS, ALLOC, LOAD, READONLY, CODE
2 .text.ac97_bus_match 0000001c 00000000 00000000 00000058 2**2
CONTENTS, ALLOC, LOAD, READONLY, CODE
3 .text 00000000 00000000 00000000 000000d4 2**0
CONTENTS, ALLOC, LOAD, READONLY, CODE
...
Since the .text sections are empty (size of 0 bytes) and won't be
loaded by the kernel module loader anyway, I don't see a reason
why such sections need to be listed under
/sys/module/<module_name>/sections/<section_name> either.
The attached patch does solve this issue by not exporting section
names which are empty.
This fixes bugzilla http://bugzilla.kernel.org/show_bug.cgi?id=14703
Signed-off-by: Helge Deller <deller@gmx.de>
CC: rusty@rustcorp.com.au
CC: akpm@linux-foundation.org
CC: James.Bottomley@HansenPartnership.com
CC: roland@redhat.com
CC: dave@hiauly1.hia.nrc.ca
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
regulator: Initialise wm831x structure pointor for ISINK driver
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The version that made it into mainline missed the initialisation of the
chip handle.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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We should now use dev_set_drvdata to set the driver driver_data field.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/747/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Broken by d63c63e889bbeeaa461a8addf1245f89f3ce4ece (lmo) rsp.
f1e39a4a616cd9981a9decfd5332fd07a01abb8b (kernel.org).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/746/
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
* 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6:
[ARM] pxamci: call mmc_remove_host() before freeing resources
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mmc_remove_host() will cause the mmc core to switch off the bus power by
eventually calling pxamci_set_ios(). This function uses the regulator or
the GPIO which have been freed already.
This causes the following Oops on module unload.
[ 49.519649] Unable to handle kernel paging request at virtual address 30303a70
[ 49.526878] pgd = c7084000
[ 49.529563] [30303a70] *pgd=00000000
[ 49.533136] Internal error: Oops: 5 [#1]
[ 49.537025] last sysfs file: /sys/devices/platform/pxa27x-ohci/usb1/1-1/1-1:1.0/host0/target0:0:0/0:0:0:0/scsi_level
[ 49.547471] Modules linked in: pxamci(-) eeti_ts
[ 49.552061] CPU: 0 Not tainted (2.6.32-rc8 #322)
[ 49.557001] PC is at regulator_is_enabled+0x3c/0xbc
[ 49.561846] LR is at regulator_is_enabled+0x30/0xbc
[ 49.566691] pc : [<c01a2448>] lr : [<c01a243c>] psr: 60000013
[ 49.566702] sp : c7083e70 ip : 30303a30 fp : 00000000
[ 49.578093] r10: c705e200 r9 : c7082000 r8 : c705e2e0
[ 49.583280] r7 : c7061340 r6 : c7061340 r5 : c7083e70 r4 : 00000000
[ 49.589759] r3 : c04dc434 r2 : c04dc434 r1 : c03eecea r0 : 00000047
[ 49.596241] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 49.603329] Control: 0000397f Table: a7084018 DAC: 00000015
[ 49.609031] Process rmmod (pid: 1101, stack limit = 0xc7082278)
[ 49.614908] Stack: (0xc7083e70 to 0xc7084000)
[ 49.619238] 3e60: c7082000 c703c4f8 c705ea00 c04f4074
[ 49.627366] 3e80: 00000000 c705e3a0 ffffffff c0247ddc c70361a0 00000000 c705e3a0 ffffffff
[ 49.635499] 3ea0: c705e200 bf006400 c78c4f00 c705e200 c705e3a0 ffffffff c705e200 ffffffff
[ 49.643633] 3ec0: c04d8ac8 c02476d0 ffffffff c0247c60 c705e200 c0248678 c705e200 c0249064
[ 49.651765] 3ee0: ffffffff bf006204 c04d8ad0 c04d8ad0 c04d8ac8 bf007490 00000880 c00440c4
[ 49.659898] 3f00: 0000b748 c01c5708 bf007490 c01c44c8 c04d8ac8 c04d8afc bf007490 c01c4570
[ 49.668031] 3f20: bf007490 bf00750c c04f4258 c01c37a4 00000000 bf00750c c7083f44 c007b014
[ 49.676162] 3f40: 4000d000 6d617870 08006963 00000001 00000000 c7085000 00000001 00000000
[ 49.684287] 3f60: 4000d000 c7083f8c 00000001 bea01a54 00005401 c7ab1400 c00440c4 00082000
[ 49.692420] 3f80: bf00750c 00000880 c7083f8c 00000000 4000cfa8 00000000 00000880 bea01cc8
[ 49.700552] 3fa0: 00000081 c0043f40 00000000 00000880 bea01cc8 00000880 00000006 00000000
[ 49.708677] 3fc0: 00000000 00000880 bea01cc8 00000081 00000097 0000cca4 0000b748 00000000
[ 49.716802] 3fe0: 4001a4f0 bea01cc0 00018bf4 4001a4fc 20000010 bea01cc8 a063e021 a063e421
[ 49.724958] [<c01a2448>] (regulator_is_enabled+0x3c/0xbc) from [<c0247ddc>] (mmc_regulator_set_ocr+0x14/0xd8)
[ 49.734836] [<c0247ddc>] (mmc_regulator_set_ocr+0x14/0xd8) from [<bf006400>] (pxamci_set_ios+0xd8/0x17c [pxamci])
[ 49.745044] [<bf006400>] (pxamci_set_ios+0xd8/0x17c [pxamci]) from [<c02476d0>] (mmc_power_off+0x50/0x58)
[ 49.754555] [<c02476d0>] (mmc_power_off+0x50/0x58) from [<c0247c60>] (mmc_detach_bus+0x68/0xc4)
[ 49.763207] [<c0247c60>] (mmc_detach_bus+0x68/0xc4) from [<c0248678>] (mmc_stop_host+0xd4/0x1bc)
[ 49.771944] [<c0248678>] (mmc_stop_host+0xd4/0x1bc) from [<c0249064>] (mmc_remove_host+0xc/0x20)
[ 49.780681] [<c0249064>] (mmc_remove_host+0xc/0x20) from [<bf006204>] (pxamci_remove+0xc8/0x174 [pxamci])
[ 49.790211] [<bf006204>] (pxamci_remove+0xc8/0x174 [pxamci]) from [<c01c5708>] (platform_drv_remove+0x1c/0x24)
[ 49.800164] [<c01c5708>] (platform_drv_remove+0x1c/0x24) from [<c01c44c8>] (__device_release_driver+0x7c/0xc4)
[ 49.810110] [<c01c44c8>] (__device_release_driver+0x7c/0xc4) from [<c01c4570>] (driver_detach+0x60/0x8c)
[ 49.819535] [<c01c4570>] (driver_detach+0x60/0x8c) from [<c01c37a4>] (bus_remove_driver+0x90/0xcc)
[ 49.828452] [<c01c37a4>] (bus_remove_driver+0x90/0xcc) from [<c007b014>] (sys_delete_module+0x1d8/0x254)
[ 49.837891] [<c007b014>] (sys_delete_module+0x1d8/0x254) from [<c0043f40>] (ret_fast_syscall+0x0/0x28)
[ 49.847145] Code: eb06c53a e596c030 e1a0500d e59f106c (e59c0040)
[ 49.853566] ---[ end trace b5fa66a00cea142f ]---
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Reported-by: Sven Neumann <s.neumann@raumfeld.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: linux-mmc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: stable@kernel.org
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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This patch fixes the compilation failure of
rc32434 due to a bad module parameter description.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The size value passed to ioremap_nocache() is not correct.
Use resource_size() to get the correct value.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The SYSFS_DEPRECATED_V2 says "remove" older, deprecated features, but it
actually enables them, so correct this confusing, backwards text.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When detecting power failure, the probe function would reset the clock
time to defined state.
However, the clock's _date_ might still be bogus and a subsequent probe
fails when sanity-checking these values.
Change the power-failure fixup code to do a full setting of rtc_time,
including a valid date.
Signed-off-by: Johannes Weiner <jw@emlix.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The possible CCR_Y2K register values are 19 or 20 and struct rtc_time's
tm_year is in years since 1900.
The function translating rtc_time to register values assumes tm_year to be
years since first christmas, though, and we end up storing 0 or 1 in the
CCR_Y2K register, which the hardware does not refuse to do.
A subsequent probing of the clock fails due to the invalid value range in
the register, though.
[ And if it didn't, reading the clock would yield a bogus year because
the function translating registers to tm_year is assuming a register
value of 19 or 20. ]
This fixes the conversion from years since 1900 in tm_year to the
corresponding CCR_Y2K value of 19 or 20.
Signed-off-by: Johannes Weiner <jw@emlix.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Prevent the AoE block driver from creating cache aliases of page cache
pages on machines with virtually indexed caches.
Building kernels on an AT91SAM9G20 board without this patch fails with
segmentation faults after a couple of passes.
Signed-off-by: Peter Horton <zero@colonel-panic.org>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- Remove wrong and unnecessary unmask operation
- Remove extra GEDR reading
This fixes the loss of interrupts which occurs when two or more pins are
triggered in close succession.
Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It has been fun but the last year or more it has been a duty and a burden.
So I leave it open for others to take over.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Anibal Monsalve Salazar <anibal@debian.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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