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CM-X300 can be assembled with different NAND flashes from different
manufacturers. Adding their configuration to the kernel is impractical,
therefore we will use the default NAND controller settings set up by the
bootloader.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Setup gpio-keys for EzX phones
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add a call to pxa_set_ac97_info() to enable the audio support.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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csb726 used obsolete and not working out-of-tree driver smc911x.
Switch it to use new smsc911x driver.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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I'm not going to maintain separate defconfigs for magician and hx4700.
This should probably be renamed to htcpxa_defconfig.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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This includes
- IrDA (pxafixp_ir),
- Buttons (gpio-keys),
- ASIC3 IRQ/GPIOs (asic3),
- EGPIOs (htc-egpio),
- ATI Imageon w3220 framebuffer (w100fb),
- Backlight (pwm-backlight),
- StrataFlash (physmap),
- Battery monitor (ds1wm,w1_ds2760,ds2760_battery)
- USB gadget support (pxa27x_udc,gpio_vbus).
- bq24022 battery charger (pda_power,bq24022)
- TSC2046 touchscreen (ads7846)
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Add voltage regulation capability to pxa2xx cpufreq
driver. The cpufreq will ask for a "vcc_core" regulator to
the regulator framework.
If a regulator is found at probe time, it will be used with
values specified in PXA270 Electrical, Mechanical, and
Thermal Specifications.
If not, it will be assumed for now that frequency change
will work without voltage control. This assumes that the
IPL/SPL installs sane values to an existing voltage
regulator (ie. voltage high enough to support the full
range).
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Jürgen Schindele <linux@schindele.name>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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PXA processors have several low-power modes. Currently kernel supports
only one of these modes for PM_SUSPEND_MEM.
This patch adds ability to set desired suspend mode for PXA27x based
machines.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Reviewed-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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As reported by Aric Blumer, the pxa27x_udc driver does work
with pxa3xx devices. Add support into device files.
Reported-by: Aric Blumer <aric@sdgsystems.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Matt Reimer <mattjreimer@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The default value is 16 IRQs. Zylonite needs 32, ASIC3 based boards need 70.
My problem is still that due to the way IRQ_GPIO is hardcoded, ASIC3 based boards
need 70 IRQs starting at IRQ_BOARD_START. If I define ASIC3 IRQs similar to LoCoMo
or SA1111, things break as soon as something selects PXA_HAVE_BOARD_IRQS.
Increasing the default number of board IRQs to 70 instead doesn't seem very nice.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Mingwei Wang <mingwei.wang@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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The PXA_PWM config option is really redundant since the introduction
of HAVE_PWM, replace that with HAVE_PWM to avoid confusion.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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PWMs on PXA168/910 start at number 1 instead of 0, (i.e. PWM1/2/3/4 instead
of PWM0/1/2/3 on PXA25x/PXA27x/PXA3xx). Allow this number to be specified
in pwm_id_table.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Paul Shen <paul.shen@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Paul Shen <paul.shen@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Commit 95a3540da9c81a5987be810e1d9a83640a366bd5 ("ptrace_detach: the wrong
wakeup breaks the ERESTARTxxx logic") removed the "extra"
wake_up_process() from ptrace_detach(), but as Jan pointed out this breaks
the compatibility.
I believe the changelog is right and this wake_up() is wrong in many
ways, but GDB assumes that ptrace(PTRACE_DETACH, child, 0, 0) always
wakes up the tracee.
Despite the fact this breaks SIGNAL_STOP_STOPPED/group_stop_count logic,
and despite the fact this wake_up_process() can break another
assumption: PTRACE_DETACH with SIGSTOP should leave the tracee in
TASK_STOPPED case. Because the untraced child can dequeue SIGSTOP and
call do_signal_stop() before ptrace_detach() calls wake_up_process().
Revert this change for now. We need some fixes even if we we want to keep
the current behaviour, but these fixes are not for 2.6.30.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The checking of CONFIG_FRAME_WARN in the top level Makefile forgot to
actually derefence the variable thus leading to an always true check.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The "trace || CLONE_PTRACE" check in tracehook_report_clone() is not right,
- If the untraced task does clone(CLONE_PTRACE) the new child is not traced,
we must not queue SIGSTOP.
- If we forked the traced task, but the tracer exits and untraces both the
forking task and the new child (after copy_process() drops tasklist_lock),
we should not queue SIGSTOP too.
Change the code to check task_ptrace() != 0 instead. This is still racy, but
the race is harmless.
We can race with another tracer attaching to this child, or the tracer can
exit and detach in parallel. But giwen that we didn't do wake_up_new_task()
yet, the child must have the pending SIGSTOP anyway.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Remove a bad BUG_ON in the fence management code.
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: ignore EDID with really tiny modes.
drm: don't associate _DRM_DRIVER maps with a master
drm/i915: intel_lvds.c fix section mismatch
drm: Hook up DPMS property handling in drm_crtc.c. Add drm_helper_connector_dpms.
drm: set permissions on edid file to 0444
drm: add newlines to text sysfs files
drm/radeon: fix ring free alignment calculations
drm: fix irq naming for kms drivers.
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While running 20 parallel instances of dd as follows:
#!/bin/bash
for i in `seq 1 20`; do
dd if=/dev/zero of=/export/hda3/dd_$i bs=1073741824 count=1 &
done
wait
on a 16G machine, we noticed that rather than just killing the processes,
the entire kernel went down. Stracing dd reveals that it first does an
mmap2, which makes 1GB worth of zero page mappings. Then it performs a
read on those pages from /dev/zero, and finally it performs a write.
The machine died during the reads. Looking at the code, it was noticed
that /dev/zero's read operation had been changed by
557ed1fa2620dc119adb86b34c614e152a629a80 ("remove ZERO_PAGE") from giving
zero page mappings to actually zeroing the page.
The zeroing of the pages causes physical pages to be allocated to the
process. But, when the process exhausts all the memory that it can, the
kernel cannot kill it, as it is still in the kernel mode allocating more
memory. Consequently, the kernel eventually crashes.
To fix this, I propose that when a fatal signal is pending during
/dev/zero read operation, we simply return and let the user process die.
Signed-off-by: Salman Qazi <sqazi@google.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
[ Modified error return and comment trivially. - Linus]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Until we start appraising measurements, the ima_path_check()
return code should always be 0.
- Update the ima_path_check() return code comment
- Instead of the pr_info, audit the dentry_open failure
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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This patch changes ext4 super.c to include the device name with all
warning/error messages, by using a new utility function ext4_msg.
It's a rather large patch, but very mechanic. I left debug printks
alone.
This is a straightforward port of a patch which Andi Kleen did for
ext3.
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Get rid of EXTEND_DISKSIZE flag of ext4_get_blocks_handle(). This
seems to be a relict from some old days and setting disksize in this
function does not make much sense. Currently it was set only by
ext4_getblk(). Since the parameter has some effect only if create ==
1, it is easy to check by grepping through the sources that the three
callers which end up calling ext4_getblk() with create == 1
(ext4_append, ext4_quota_write, ext4_mkdir) do the right thing and set
disksize themselves.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Fix warnings for return values that we don't care about:
util/quote.c:222: attention : ignoring return value of ‘fwrite’, declared with attribute warn_unused_result
util/quote.c:235: attention : ignoring return value of ‘fwrite’, declared with attribute warn_unused_result
util/quote.c: In function ‘write_name_quotedpfx’:
util/quote.c:290: attention : ignoring return value of ‘fwrite’, declared with attribute warn_unused_result
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1244146558-8635-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This reverts commit db2dbb12dc47a50c7a4c5678f526014063e486f6.
It apparently causes problems with partition table read-ahead
on archs with large page sizes. Until that problem is diagnosed
further, just drop the readpages support on block devices.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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