diff mbox series

mtd: parsers: qcom: incompatible with spi-nor 4k sectors

Message ID 71e3fe832d35bd34a7da87146ba7d52f89278665.1614780732.git.baruch@tkos.co.il
State Superseded
Delegated to: Ambarus Tudor
Headers show
Series mtd: parsers: qcom: incompatible with spi-nor 4k sectors | expand

Commit Message

Baruch Siach March 3, 2021, 2:12 p.m. UTC
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.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 drivers/mtd/parsers/qcomsmempart.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Miquel Raynal March 3, 2021, 2:19 p.m. UTC | #1
Hi Baruch,

Baruch Siach <baruch@tkos.co.il> wrote on Wed,  3 Mar 2021 16:12:12
+0200:

> 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.
> 
> Signed-off-by: Baruch Siach <baruch@tkos.co.il>

Could you add a Fixes tag?

LGTM otherwise.

Thanks,
Miquèl
Manivannan Sadhasivam March 3, 2021, 4:24 p.m. UTC | #2
On Wed, Mar 03, 2021 at 04:12:12PM +0200, Baruch Siach wrote:
> 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.
> 
> Signed-off-by: Baruch Siach <baruch@tkos.co.il>
> ---
>  drivers/mtd/parsers/qcomsmempart.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/mtd/parsers/qcomsmempart.c b/drivers/mtd/parsers/qcomsmempart.c
> index 808cb33d71f8..f851574e1b52 100644
> --- 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 parse is incompatible with 4K sectors\n",

s/parse/parser

With that and the fixes tag,

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Thanks,
Mani

> +				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)) {
> -- 
> 2.30.1
>
diff mbox series

Patch

diff --git a/drivers/mtd/parsers/qcomsmempart.c b/drivers/mtd/parsers/qcomsmempart.c
index 808cb33d71f8..f851574e1b52 100644
--- 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 parse 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)) {