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The FSMC actually has a standard ARM PrimeCell ID register, and
the "revision" part of that register contains the thing that
the code is looking at. Reuse the infrastructure from the AMBA
bus abstraction and rid local defines.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This removes the PARTITION macro that David didn't like and also
removes a local variable that was dangling unused in some #ifdefs
by being a bit more clever.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Building the kernel with 'make CONFIG_DEBUG_SECTION_MISMATCH=y´
resulted in:
WARNING: vmlinux.o(.data+0x15938): Section mismatch in reference from
the variable sst25l_driver to the function .init.text:sst25l_probe()
The variable sst25l_driver references
the function __init sst25l_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Fix the section mismatch.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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If CONFIG_MTD_PARTITIONS is not selected, then the following warning is generated:
CC drivers/mtd/nand/mxc_nand.o
drivers/mtd/nand/mxc_nand.c: In function 'mxcnd_probe':
drivers/mtd/nand/mxc_nand.c:1014: warning: unused variable 'nr_parts'
Fix it by marking nr_parts as __maybe_unused.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This patch should fix the following problem:
1. the jffs2-image update in the u-boot was ok
2. first restart and first mount of the NAND-flash-partition was also ok
3. before the restart of controller there are no any activity on NAND-flash except of the jffs2_gcd_mtdX-process ...
4. BUT after the second restart the NAND-flash-partition could not be really used after the second mount,
dmesg filled with messages:
...
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03ce0000: 0xc0ff instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03d00000: 0xc0ff instead
....
Just for for info:
the behaviour observed on mpc8313-based board with the large-page NAND.
The only activity on NAND-flash was the garbage collector process, that looks for CLEANMARKER-nodes
As Scott said it was broken by commit 3ab8f2a2e7011c5e83363b42950757e46ef06824
Signed-off-by: Sergej Stepanov <Sergej.Stepanov@ids.de>
--
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Function mtd_has_master renamed as mtd_is_partition to follow the function logic.
The patch fixes the problem of checking the right mtd device for partition creation.
To delete partition checking is not needed here so as it is done in mtd_del_partition.
By master we consider the mtd device which does not belong to any partition.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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When run mtd_oobtest case, there will be one error for step(4),
which turned out it need add one check for out of page read in
nand_do_read_oob just like mtd_do_write_oob did it already.
This commit also fix one typo error for comments in mtd_do_write_oob
Signed-off-by: Jason Liu <r64343@freescale.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Warning(include/linux/mtd/nand.h:543): No description found for parameter 'badblockbits'
Warning(drivers/mtd/nand/nand_bbt.c:1101): No description found for parameter 'mtd'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The 'param' parameter has never been used since its introduction, so
simply remove it.
Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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It says FB instead of FS (file system).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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do_verify_xattr_datum(), do_load_xattr_datum(), load_xattr_datum()
and verify_xattr_ref() should return negative value on error.
Sometimes they return EIO that is positive. Change this to -EIO.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Using %pR standardizes the struct resource output.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Using %pR standardizes the struct resource output.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Now that the mtd core supports more then 64 ecc bytes we can use it instead of
some a custom hack in the jz4740 nand driver.
This patch removes the custom {read,write}_page handlers from the jz4740 nand
driver. Thus the driver will now fallback to the default handlers from the nand
core.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.
This patch removes such casts from drivers/mtd/
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Structure mtd_info_user is copied to userland with padding byted
between "type" and "flags" fields uninitialized. It leads to leaking
of contents of kernel stack memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Implement cache program feature for 4KiB page onenand.
This feature improves the write data performance.
The observed 128KiB data program speed change is
from 8827KiB/s to 14156 KiB/s when the feature is enabled.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Some fixes are introduced into omap2 code to handle errors when
cache program feature is used.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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A new option is added for cache program feature. A new variable
ongoing is introduced for onenand_chip to handle the multi-command
cache program operation.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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When use the 2KiB pagesize, it should be set the correct page offset.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: srimugunthan <srimugunthan.dhandapani@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Untested, but expected to be compatible with MX25L25635E which I did
test.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This is a 256Mbit (32MiB) part so minor changes were made to support
4-byte addressing.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Commit b34bc037b26e621e5fc13466767e4da110a7b3d3 removed the
"unrecognized JEDEC id" error message, causing the probe function to
silently abort if the flash ID is unrecognized.
It is desirable to produce diagnostic output in this situation so that
the user has some idea what went wrong.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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MTD_OF_PARTS should be possible on all architectures, not just
powerpc and microblaze, and it probably should not be a user
selectable option. Neither does it need to be in a separate module.
Also, rework MTD Kconfig to group options dependant on MTD_PARTITIONS
into a if/endif block. Do the same for MTD_REDBOOT_PARTS.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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* git://git.infradead.org/mtd-2.6: (82 commits)
mtd: fix build error in m25p80.c
mtd: Remove redundant mutex from mtd_blkdevs.c
MTD: Fix wrong check register_blkdev return value
Revert "mtd: cleanup Kconfig dependencies"
mtd: cfi_cmdset_0002: make sector erase command variable
mtd: cfi_cmdset_0002: add CFI detection for SST 38VF640x chips
mtd: cfi_util: add support for switching SST 39VF640xB chips into QRY mode
mtd: cfi_cmdset_0001: use defined value of P_ID_INTEL_PERFORMANCE instead of hardcoded one
block2mtd: dubious assignment
P4080/mtd: Fix the freescale lbc issue with 36bit mode
P4080/eLBC: Make Freescale elbc interrupt common to elbc devices
mtd: phram: use KBUILD_MODNAME
mtd: OneNAND: S5PC110: Fix double call suspend & resume function
mtd: nand: fix MTD_MODE_RAW writes
jffs2: use kmemdup
mtd: sm_ftl: cosmetic, use bool when possible
mtd: r852: remove useless pci powerup/down from suspend/resume routines
mtd: blktrans: fix a race vs kthread_stop
mtd: blktrans: kill BKL
mtd: allow to unload the mtdtrans module if its block devices aren't open
...
Fix up trivial whitespace-introduced conflict in drivers/mtd/mtdchar.c
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* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (215 commits)
ARM: memblock: setup lowmem mappings using memblock
ARM: memblock: move meminfo into find_limits directly
ARM: memblock: convert free_highpages() to use memblock
ARM: move freeing of highmem pages out of mem_init()
ARM: memblock: convert memory detail printing to use memblock
ARM: memblock: use memblock to free memory into arm_bootmem_init()
ARM: memblock: use memblock when initializing memory allocators
ARM: ensure membank array is always sorted
ARM: 6466/1: implement flush_icache_all for the rest of the CPUs
ARM: 6464/2: fix spinlock recursion in adjust_pte()
ARM: fix memblock breakage
ARM: 6465/1: Fix data abort accessing proc_info from __lookup_processor_type
ARM: 6460/1: ixp2000: fix type of ixp2000_timer_interrupt
ARM: 6449/1: Fix for compiler warning of uninitialized variable.
ARM: 6445/1: fixup TCM memory types
ARM: imx: Add wake functionality to GPIO
ARM: mx5: Add gpio-keys to mx51 babbage board
ARM: imx: Add gpio-keys to plat-mxc
mx31_3ds: Fix spi registration
mx31_3ds: Fix the logic for detecting the debug board
...
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The shmid_ds structure is copied to userland with shm_unused{,2,3}
fields unitialized. It leads to leaking of contents of kernel stack
memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The definition of PAGE_CACHE_MASK in <linux/pagemap.h> is needed to use
MAX_RW_COUNT, and on x86-64 that gets done indirectly through the
architecture header includes. But on MIPS and s390 that doesn't happen,
and we need to make sure that fs/compat.c includes pagemap.h explicitly.
Introduced in commit 435f49a518c7 ("readv/writev: do the same
MAX_RW_COUNT truncation that read/write does").
Reported-by: Sachin Sant <sachinp@in.ibm.com> (S390)
Reported-by: wu zhangjin <wuzhangjin@gmail.com> (MIPS)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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While building an x86 distro kernel, I hit the following:
Kernel: arch/x86/boot/bzImage is ready (#7)
ERROR: "of_mtd_parse_partitions" [drivers/mtd/devices/m25p80.ko]
undefined!
of_mtd_parse_partitions is defined with MTD_OF_PARTS, and that's only
built on PPC and microblaze. The code in question should be wrapped w/
a stricter #ifdef.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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In commit 2a48fc0ab24241755dc93bfd4f01d68efab47f5a ('block: autoconvert
trivial BKL users to private mutex'), Arnd replaced the BKL usage with a
mutex. However, Maxim has already provided a better fix in commit
480792b7bf188c29b8d4b10fee65c3a06ec5dbf7 ('mtd: blktrans: kill BKL'),
which was simply to remove the BKL without replacing it — since he'd
already made it do all necessary locking for itself.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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register_blkdev return 1..255 when major = 0.
if (ret ) {
printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n",
tr->name, tr->major, ret);
mutex_unlock(&mtd_table_mutex);
return ret;
}
Above code will return fail when register_blkdev return allocated major number.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, alternative: Call stop_machine_text_poke() on all cpus
x86-32: Restore irq stacks NUMA-aware allocations
x86, memblock: Fix early_node_mem with big reserved region.
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, uv: More Westmere support on SGI UV
x86, uv: Enable Westmere support on SGI UV
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git://codeaurora.org/quic/kernel/dwalker/linux-msm
* 'msm-fixes' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
msm: Kconfig: drop unused config options
msm: fix compile failure when no debug uart is selected
msm: fix debug-macro.S build failure
msm: timer: Decrease shift on timer clocksource
arm: mach-msm: fix error handling in msm_iommu_probe()
msm: fix Kconfig target board selection
msm: fix compile failure on struct membank node member
* 'msm-video' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
drivers/video/msm/mddi.c: Remove multiple KERN_<level> uses
drivers: msm: video: add dev_set_name call
drivers: video: msm: fix hang on disable_irq
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* 'for-2637/s3c24xx-all' of git://git.fluff.org/bjdooks/linux:
ARM: h1940: add UDA1380 to i2c devices list
ARM: h1940: Fix backlight and LCD power functions
ARM: S3C2440: fix boot failure introduced by recent changes in gpiolib
ARM: S3C2440: various fixes in Kconfig file
ARM: rx1950: Add UDA1380 to i2c devices list
ARM: rx1950: Add LEDs support
ARM: rx1950: Add battery device
ARM: h1940: Implement mmc_power function
ARM: h1940: Use gpiolib for latch access
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Register UDA1380 codec during H1940 machine init
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Current implementation of LCD and backlight power control functions
is not complete, as result PDA consumes power in suspend.
Fix this issue by managing state of some latch bits, just like
WinMobile does.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Currently, text_poke_smp() passes a NULL as the third argument to
__stop_machine(), which will only run stop_machine_text_poke()
on 1 cpu. Change NULL -> cpu_online_mask, as stop_machine_text_poke()
is intended to be run on all cpus.
I actually didn't notice any problems with stop_machine_text_poke()
only being called on 1 cpu, but found this via code inspection.
Signed-off-by: Jason Baron <jbaron@redhat.com>
LKML-Reference: <20101028152026.GB2875@redhat.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Recent changes in s3c gpio break mini2440 board and may be others.
The problem is that mach-mini2440.c: mini2440_init()
(where we call s3c_gpio_setpull()) is called before s3c2440.c: s3c2440_init()
(where we initialize s3c24xx_gpiocfg_default.set_pull function pointer).
This causes dereferencing of NULL pointer at boot time and a kernel panic.
Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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* kconfig symbols defined in arch/arm/mach-s3c2440/Kconfig are only available
when ARCH_S3C2410 is selected, so no need to make some of them depend
on ARCH_S3C2410.
* fix CPU_S3C24405B typo in "config S3C2440_DMA".
* mini2440: remove unconditionally select of SND_S3C24XX_SOC_S3C24XX_UDA134X.
Those fixes avoid the following warnings at make time:
scripts/kconfig/qconf arch/arm/Kconfig
warning: (MACH_MINI2440 && ARCH_S3C2410) selects SND_S3C24XX_SOC_S3C24XX_UDA134X
which has unmet direct dependencies (SND_S3C24XX_SOC && ARCH_S3C2410)
warning: (CPU_S3C2440 && ARCH_S3C2410 && S3C2410_DMA) selects S3C2440_DMA which
has unmet direct dependencies (ARCH_S3C2410 && CPU_S3C24405B)
warning: (CPU_S3C2440 && ARCH_S3C2410 || CPU_S3C2442 && ARCH_S3C2410)
selects CPU_S3C244X which has unmet direct dependencies (!ARCH_S3C2410)
Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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* 'for-2637/i2c-all' of git://git.fluff.org/bjdooks/linux:
i2c-intel-mid: Driver depends on PCI
i2c-intel-mid: support for Moorestown and Medfield platform
i2c-nomadik: fixup bus delays
i2c-nomadik: support smbus emulation
i2c-nomadik: dynamic clocking
i2c-nomadik: documentation fixes
i2c-s3c2410: Enable i2c clock only when doing some transfert
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