redonkable/remarkable-linux
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remarkable-linux/drivers/mtd
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Huang Shijie 0ff76a920e mtd: gpmi: add sanity check when mapping DMA for read_buf/write_buf 
The buffer pointer passed from the upper layer may points to
a buffer in the stack or a buffer allocated by vmalloc, and etc..

This patch adds more sanity check to this buffer.
After this patch, if we meet a buffer which is allocated by vmalloc or
a buffer in the stack, we will use our own DMA buffer @data_buffer_dma
to do the DMA operations. If the buffer is not the cases above, we will
map it for DMA operations directly.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-27 21:55:03 -08:00
..
chips
devices mtd: m25p80: Set rx_nbits for Quad SPI transfers 2014-01-27 21:19:28 -08:00
lpddr mtd: lpddr: Mark functions as static and remove unused function 2014-01-03 11:22:26 -08:00
maps mtd: ixp4xx: Use devm_*() functions 2014-01-07 10:07:32 -08:00
nand mtd: gpmi: add sanity check when mapping DMA for read_buf/write_buf 2014-01-27 21:55:03 -08:00
onenand mtd: onenand: Trivial cleanup in samsung.h 2014-01-11 12:00:25 -08:00
tests mtd: tests: mtd_nandecctest: Use IS_ENABLED() macro 2014-01-03 11:22:21 -08:00
ubi MTD merge for 3.13 2013-11-14 12:31:43 +09:00
afs.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
ar7part.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
bcm47xxpart.c mtd: bcm47xxpart: alternative MAGIC for board_data partition 2014-01-07 10:07:37 -08:00
bcm63xxpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
cmdlinepart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
ftl.c
inftlcore.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00
inftlmount.c
Kconfig mtd: Hide CONFIG_MTD_BLKDEVS from the menu 2014-01-07 10:07:36 -08:00
Makefile
mtd_blkdevs.c
mtdblock.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdblock_ro.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdchar.c mtd: mtdchar: return expected errors on mmap() call 2013-11-11 11:18:15 -08:00
mtdconcat.c
mtdcore.c mtd: convert to use ATTRIBUTE_GROUPS 2014-01-03 11:22:21 -08:00
mtdcore.h
mtdoops.c
mtdpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
mtdsuper.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdswap.c mtd: mtdswap: replace strict_strtoul() with kstrtoul() 2013-08-30 21:52:51 +01:00
nftlcore.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00
nftlmount.c
ofpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
redboot.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
rfd_ftl.c
sm_ftl.c mtd: sm_ftl: Staticize local symbols 2013-08-30 21:51:25 +01:00
sm_ftl.h
ssfdc.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00