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Richard Purdie 388bbb09b9 [MTD] Add mtd panic_write function pointer ... MTDs are well suited for logging critical data and the mtdoops driver allows kernel panics/oops to be written to flash in a blackbox flight recorder fashion allowing better debugging and analysis of crashes. Any kernel oops in user context can be easily handled since the kernel continues as normal and any queued mtd writes are scheduled. Any kernel oops in interrupt context results in a panic and the delayed writes will not be scheduled however. The existing mtd->write function cannot be called in interrupt context so these messages can never be written to flash. This patch adds a panic_write function pointer that drivers can optionally implement which can be called in interrupt context. It is only intended to be called when its known the kernel is about to panic and we need to write to succeed. Since the kernel is not going to be running for much longer, this function can break locks and delay to ensure the write succeeds (but not sleep). Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: David Woodhouse <dwmw2@infradead.org>		17 years ago
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bbm.h	[MTD] OneNAND: Error message printing and bad block scan erros	18 years ago
blktrans.h	…
cfi.h	[MTD] [NOR] Fix incorrect interface code for x16/x32 chips	17 years ago
cfi_endian.h	…
compatmac.h	…
concat.h	…
doc2000.h	…
flashchip.h	[MTD] [NOR] fix ctrl-alt-del can't reboot for intel flash bug	18 years ago
ftl.h	…
gen_probe.h	…
inftl.h	…
jedec.h	…
map.h	[MTD] Fix CFI build error when no map width or interleave supported	18 years ago
mtd.h	[MTD] Add mtd panic_write function pointer	17 years ago
mtdram.h	[MTD] Provide mtdram.h with mtdram_init_device() prototype	17 years ago
nand.h	[MTD] [NAND] Add NAND manufacturer AMD.	18 years ago
nand_ecc.h	…
ndfc.h	…
nftl.h	…
onenand.h	[MTD] [OneNAND] 2X program support	18 years ago
onenand_regs.h	[MTD] [OneNAND] Get correct density from device ID	17 years ago
partitions.h	[MTD] Factor out OF partition support from the NOR driver.	17 years ago
physmap.h	[MTD] Don't include linux/mtd/map.h from linux/mtd/physmap.h	18 years ago
plat-ram.h	…
pmc551.h	…
super.h	[MTD] generalise the handling of MTD-specific superblocks	18 years ago
ubi.h	UBI: introduce atomic LEB change ioctl	17 years ago
xip.h	…