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linux/drivers/mtd
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Kamal Dasu fe24a32b0e mtd: rawnand: brcmnand: skip DMA during panic write 
[ Upstream commit da9ba4dcc0 ]

When oops_panic_write is set, the driver disables interrupts and
switches to PIO polling mode but still falls through into the DMA
path. DMA cannot be used reliably in panic context, so make the
DMA path an else branch to ensure only PIO is used during panic
writes.

Fixes: c1ac2dc34b ("mtd: rawnand: brcmnand: When oops in progress use pio and interrupt polling")
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-04-18 10:33:22 +02:00
..
chips mtd: cfi_cmdset_0001: Byte swap OTP info 2023-11-28 16:56:31 +00:00
devices mtd: powernv: Add check devm_kasprintf() returned value 2024-10-17 15:10:50 +02:00
hyperbus mtd: hyperbus: hbmc-am654: fix an OF node reference leak 2025-03-13 12:50:09 +01:00
lpddr mtd: lpddr_cmds: fix signed shifts in lpddr_cmds 2026-01-19 13:09:36 +01:00
maps mtd: maps: physmap-core: fix flash size larger than 32-bit 2024-03-26 18:21:29 -04:00
nand mtd: rawnand: brcmnand: skip DMA during panic write 2026-04-18 10:33:22 +02:00
parsers mtd: Avoid boot crash in RedBoot partition table parser 2026-04-18 10:33:17 +02:00
spi-nor Revert "mtd: spi-nor: core: replace dummy buswidth from addr to data" 2025-01-23 17:15:59 +01:00
tests mtd: make mtd_test.c a separate module 2024-08-19 05:45:05 +02:00
ubi ubi: fastmap: Fix duplicate slab cache names while attaching 2024-12-14 19:51:20 +01:00
ftl.c mtd: fix possible integer overflow in erase_xfer() 2025-08-28 16:24:09 +02:00
inftlcore.c mtd: inftlcore: Add error check for inftl_read_oob() 2025-05-02 07:44:04 +02:00
inftlmount.c mtd: inftl: remove unnecessary oom message 2021-06-11 20:44:21 +02:00
Kconfig mtdblock: Add comment about UBI block devices 2021-08-06 22:05:13 +02:00
Makefile mtd: Support kmsg dumper based on pstore/blk 2020-05-31 19:49:01 -07:00
mtd_blkdevs.c mtd: Fix gluebi NULL pointer dereference caused by ftl notifier 2024-01-25 14:52:34 -08:00
mtdblock.c mtdblock: tolerate corrected bit-flips 2023-04-20 12:13:52 +02:00
mtdblock_ro.c mtdblock: Warn if added for a NAND device 2021-08-17 18:41:59 +02:00
mtdchar.c mtd: add OTP (one-time-programmable) erase ioctl 2021-03-28 19:24:54 +02:00
mtdconcat.c mtd: mtdconcat: Check _read, _write callbacks existence before assignment 2021-08-17 18:43:33 +02:00
mtdcore.c mtd: core: Report error if first mtd_otp_size() call fails in mtd_otp_nvmem_add() 2024-06-16 13:39:27 +02:00
mtdcore.h mtd: Provide fs_context-aware mount_mtd() replacement 2019-09-05 14:34:23 -04:00
mtdoops.c mtd: mtdoops: remove unnecessary oom message 2021-06-11 20:43:46 +02:00
mtdpart.c mtd: Fixed breaking list in __mtd_del_partition. 2022-01-27 11:02:48 +01:00
mtdpstore.c mtd: Replace kcalloc() with devm_kcalloc() 2025-05-02 07:44:02 +02:00
mtdsuper.c block: remove i_bdev 2020-12-01 14:53:39 -07:00
mtdswap.c mtd: mtdswap: Use module_mtd_blktrans to register driver 2021-03-11 09:37:48 +01:00
nftlcore.c mtd: nftlcore: remove set but rewrite variables 2021-05-10 12:11:46 +02:00
nftlmount.c mtd: nftl: remove unnecessary oom message 2021-06-11 20:43:26 +02:00
rfd_ftl.c mtd/rfd_ftl: don't cast away the type when calling add_mtd_blktrans_dev 2021-08-23 10:01:06 +02:00
sm_ftl.c mtd: sm_ftl: Fix deadlock caused by cancel_work_sync in sm_release 2022-08-17 14:23:40 +02:00
sm_ftl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ssfdc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00