| Commit message (Collapse) | Author | Age |
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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flush_scheduled_work() in net_device->close has a slight tendency
to deadlock with tasks on the workqueue that hold RTNL.
rtl8169_close/down simply need the recovery tasks to not meddle
with the hardware while the device is going down.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] machzwd warning fix
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From: Andrew Morton <akpm@linux-foundation.org>
drivers/char/watchdog/machzwd.c: In function 'zf_ioctl':
drivers/char/watchdog/machzwd.c:327: warning: passing argument 1 of 'zf_ping' makes integer from pointer without a cast
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
hwmon/vt1211: Add probing of alternate config index port
hwmon/f71805f: Fix a race condition
hwmon/abituguru: Fix unchecked return status
hwmon: New driver for the Analog Devices ADM1029
hwmon/w83627ehf: Add support for the W83627DHG chip
hwmon: Use subsys_initcall
hwmon/lm70: Make lm70_remove a __devexit function
hwmon: Cleanup a bogus legacy comment
hwmon: Simplify the locking model of two drivers
hwmon: Drop unused mutexes in two drivers
hwmon/it87: Add PWM base frequency control
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The configuration index port of the vt1211 can be accessed at two
different addresses 0x2e or 0x4e, depending on pin strappings. This
patch adds support to scan both addresses during module
initialization.
Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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I think I introduced a potential race condition bug with commit
51c997d80e1f625aea3426a8a9087f5830ac6db3. I didn't realize it
back then, but platform_device_put and platform_device_release
both appear to free the platform data associated with the device.
This makes an explicit kfree redundant at best, and maybe even
racy, as it might occur while someone still holds a reference
to the platform device.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Fix an unused return value warning for the abituguru driver.
Also make sure the sysfs files are created before we register with
the hwmon class, and delete the sysfs files on driver removal.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Corentin Labbe <corentin.labbe@geomatys.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: David Hubbard <david.c.hubbard@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Subsystem infrastructure should normally register with "subsys_initcall",
so that it's available to drivers that may need to initialize early.
This patch updates "hwmon" to do so. It's common for embedded systems to
have multifunction chips with hardware monitoring interfaces, and to have
those chips be used during system bringup ... before a normal "module_init"
would kick, or maybe just linked so they'd init before hwmon.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This fixes a potential broken reference.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Cleanup a bogus legacy comment that has been replicated to many
hardware monitoring drivers.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Many hardware monitoring drivers use two different mutexes, one to
protect their per-device data structure, and one to protect the
access to the device registers. These mutexes are essentially
redundant, as the drivers are transfering values between the device
registers and the data cache, so they almost always end up holding
both mutexes at the same time. Using a single mutex will make the
code more simple and faster.
I am changing only two of the affected drivers here, the authors
of the other affected drivers are welcome to submit similar patches
if they want.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Let the user select the base PWM frequency when using the it87
hardware monitoring driver. Different frequencies can give better
control on some fans.
Also update the documentation to mention the PWM frequency control
files, with misc cleanups to the PWM section.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* git://git.infradead.org/mtd-2.6: (49 commits)
[MTD] [NAND] S3C2412 fix hw ecc
[MTD] [NAND] Work around false compiler warning in CAFÉ driver
[JFFS2] printk warning fixes
[MTD] [MAPS] ichxrom warning fix
[MTD] [MAPS] amd76xrom warning fix
[MTD] [MAPS] esb2rom warning fixes
[MTD] [MAPS] ck804xrom warning fix
[MTD] [MAPS] netsc520 warning fix
[MTD] [MAPS] sc520cdp warning fix
[MTD] [ONENAND] onenand_base warning fix
[MTD] [NAND] eXcite nand flash driver
[MTD] Improve heuristic for detecting wrong-endian RedBoot partition table
[MTD] Fix RedBoot partition parsing regression harder.
[MTD] [NAND] S3C2410: Hardware ECC correction code
[JFFS2] Use MTD_OOB_AUTO to automatically place cleanmarker on NAND
[MTD] Clarify OOB-operation interface comments
[MTD] remove unused ecctype,eccsize fields from struct mtd_info
[MTD] [NOR] Intel: remove ugly PROGREGION macros
[MTD] [NOR] STAA: use writesize instead off eccsize to represent ECC block
[MTD] OneNAND: Invalidate bufferRAM after erase
...
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S3C2412 use differents registers than s3c2440 for hw ecc handling.
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.fr>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/nand/cafe.c: In function 'cafe_nand_cmdfunc':
drivers/mtd/nand/cafe.c:269: warning: 'irqs' may be used uninitialized in this function
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/ichxrom.c: In function 'ichxrom_init_one':
drivers/mtd/maps/ichxrom.c:231: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
drivers/mtd/maps/ichxrom.c:231: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/amd76xrom.c: In function 'amd76xrom_init_one':
drivers/mtd/maps/amd76xrom.c:209: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/esb2rom.c: In function 'esb2rom_init_one':
drivers/mtd/maps/esb2rom.c:293: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/ck804xrom.c: In function 'ck804xrom_init_one':
drivers/mtd/maps/ck804xrom.c:211: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
drivers/mtd/maps/ck804xrom.c:211: warning: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/netsc520.c: In function 'init_netsc520':
drivers/mtd/maps/netsc520.c:97: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/maps/sc520cdp.c:241: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'resource_size_t'
drivers/mtd/maps/netsc520.c: In function 'init_netsc520':
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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drivers/mtd/onenand/onenand_base.c: In function 'onenand_bbt_read_oob':
drivers/mtd/onenand/onenand_base.c:1033: warning: format '%i' expects type 'int', but argument 3 has type 'size_t'
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This is a nand flash driver for the eXcite series of intelligent
cameras manufactured by Basler Vision Technologies AG.
Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Also limit the amount we scan to one eraseblock.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Correct the location of the recalculation of the FIS directory size,
and also add the same recalculation for the byte-swapped case.
Signed-off-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Add support for correcting errors detected by the
hardware ECC.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Remove unused and broken mtd->ecctype and mtd->eccsize fields
from struct mtd_info. Do not remove them from userspace API
data structures (don't want to breake userspace) but mark them
as obsolete by a comment. Any userspace program which uses them
should be half-broken anyway, so this is more about saving
data structure size.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Remove ugly and weird MTD_PROGREGION_CTRLMODE_VALID() and
MTD_PROGREGION_CTRLMODE_INVALID() macros. There is only one
user of them and they are used locally just for printing.
Anyway, this patch is a preparation for removing mtd->ecctype
and mtd->eccsize, but these macros use them. Fix this.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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The cfi_staa_write_buffers() uses mtd->eccsize but means mtd->writesize.
BTW, mtd-eccsize is broken and is not initialized, which means the code
fixed by this patch is broken/unused anyway.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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OneNAND has internal bufferRAMs. The driver keeps track of
what is in the bufferRAM to save having to load from the
NAND core. After an erase operation, the driver must
mark bufferRAM invalid if it refers to the erased block.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This fixes a regression with the RedBoot parsing code introduced by
commit 0b47d654089c5ce3f2ea26a4485db9bcead1e515
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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err_pos_lut[4096] of an array with 4096 elements is a bug.
Spotted by the Coverity checker.
While I was at it, I also converted it to ARRAY_SIZE().
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Add checks to ensure that out-of-band reads and writes are
not attempted with an invalid offset or length. Specifically,
the offset must be less than the size of oob for a page
and the length must not go beyond the size of the device.
Additionally the checks must adjust for auto-placement
(MTD_OOB_AUTO) of oob data.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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In commit c172471b78255a5cf6d05383d9ebbf0c6683167a Nico switched to using
common code for polling for command completion. Unfortunately he also used
a common default timeout for both write and erase commands, despite the
fact that erases can take a _whole_ lot longer. Use a more sensible
default for erase timeout.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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OneNAND double-density package (DDP) has two chips, each with
their own bufferRAM. The driver will skip loading data from
the NAND core if the data can be found in a bufferRAM, however
in that case, the correct chip's bufferRAM must be selected
before reading from bufferRAM.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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Provide the bad block scan with its own read function so that important error
messages that are not from the the bad block scan, can always be printed.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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When a write is done, the length written is returned. When a
single subpage is written the length returned should be the
subpage size, however the page size was being returned.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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OneNAND can write oob to successive pages, but NAND
does not do that. For compatibility, disallow OneNAND
from writing past the end of the page.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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In previos patch, there's typo so fix it
Remove unnecessary goto statement
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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It use blockpage instead of a pair (block, page). It can also cover a small chunk access. 0x00, 0x20, 0x40 and so on.
And in JFFS2 behavior, sometimes it reads two pages alternatively.
e.g., It first reads A page, B page and A page.
So we check another bufferram to find requested page.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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- Iterations of the patch to add oob auto-placement support to OneNAND left a line of code that was meant to have been deleted.
- read mtd->oobsize in onenand_transfer_auto_oob to optimized memcpy
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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Enable the use of oob operation mode MTD_OOB_AUTO with OneNAND.
Note that MTD_OOB_RAW is still not supported.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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- Remove unused fields
- Fix typo
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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When write-verify is enabled (CONFIG_MTD_ONENAND_VERIFY_WRITE),
the data written is read back and compared. The comparison
was being made between dataRAM buffers, but this does not
verify that the data made it to the dataRAM correctly in
the first place. This patch amends write-verify to
compare back to the original buffer. It also now verifies
sub-page writes.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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OneNAND records bad block information in the out-of-band area of either the first or second page of a block. Due to a logic error, only the first page was being checked.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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