[PATCH] mmc: fix calculation of Max Enhanced Area
sha at pengutronix.de
Fri Mar 24 05:21:53 PDT 2023
On Thu, Mar 23, 2023 at 01:42:46PM +0000, Schoyswohl, Roland wrote:
> According extcsd documentation, the HC_ERASE_GRP_SIZE must be multiplied by
> HC_ERASE_GRP_SIZE and not added.
> Signed-off-by: Roland Schoyswohl roland.schoyswohl at ife-doors.com
> commands/mmc_extcsd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Your patch has tabs converted to whitespaces so doesn't apply. I fixed
this up manually this time.
> diff --git a/commands/mmc_extcsd.c b/commands/mmc_extcsd.c
> index 7ae068348d..f67c48404a 100644
> --- a/commands/mmc_extcsd.c
> +++ b/commands/mmc_extcsd.c
> @@ -1427,7 +1427,7 @@ static int print_field(u8 *reg, int index)
> case EXT_CSD_MAX_ENH_SIZE_MULT:
> tmp = get_field_val(EXT_CSD_HC_WP_GRP_SIZE, 0, 0xFF);
> - tmp = tmp + get_field_val(EXT_CSD_HC_ERASE_GRP_SIZE, 0, 0xFF);
> + tmp = tmp * get_field_val(EXT_CSD_HC_ERASE_GRP_SIZE, 0, 0xFF);
> tmp64 *= tmp;
> tmp64 *= SZ_512K;
> printf("\tMax Enhanced Area: %llu B\n", tmp64);
> Knorr-Bremse GmbH
> FN 38565p, LG Wr. Neustadt
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