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mtd: parsers: qcom: incompatible with spi-nor 4k sectors
author
Baruch Siach
<baruch@tkos.co.il>
Wed, 3 Mar 2021 16:48:16 +0000
(18:48 +0200)
committer
Miquel Raynal
<miquel.raynal@bootlin.com>
Thu, 11 Mar 2021 10:59:26 +0000
(11:59 +0100)
Partition size and offset value are in block size units, which is the
same as 'erasesize'. But when 4K sectors are enabled erasesize is set to
4K. Bail out in that case.
Fixes:
803eb124e1a64
("mtd: parsers: Add Qcom SMEM parser")
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link:
https://lore.kernel.org/linux-mtd/0a2611f885b894274436ded3ca78bc0440fca74a.1614790096.git.baruch@tkos.co.il
drivers/mtd/parsers/qcomsmempart.c
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diff --git
a/drivers/mtd/parsers/qcomsmempart.c
b/drivers/mtd/parsers/qcomsmempart.c
index
1c8a44d
..
d908330
100644
(file)
--- a/
drivers/mtd/parsers/qcomsmempart.c
+++ b/
drivers/mtd/parsers/qcomsmempart.c
@@
-65,6
+65,13
@@
static int parse_qcomsmem_part(struct mtd_info *mtd,
int ret, i, numparts;
char *name, *c;
+ if (IS_ENABLED(CONFIG_MTD_SPI_NOR_USE_4K_SECTORS)
+ && mtd->type == MTD_NORFLASH) {
+ pr_err("%s: SMEM partition parser is incompatible with 4K sectors\n",
+ mtd->name);
+ return -EINVAL;
+ }
+
pr_debug("Parsing partition table info from SMEM\n");
ptable = qcom_smem_get(SMEM_APPS, SMEM_AARM_PARTITION_TABLE, &len);
if (IS_ERR(ptable)) {