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[U-Boot] mmc: meson: increase max block number per request

Message ID 3e31ee8a-7ba2-5e61-0135-094ced268dbf@gmail.com
State Accepted
Commit f98205c7e44ad6919cc22451cf25eb216d14d25e
Delegated to: Jaehoon Chung
Headers show

Commit Message

Heiner Kallweit April 14, 2017, 8:10 a.m. UTC
Number of blocks is a 9 bit field where 0 stands for a unlimited
number of blocks. Therefore the max number of blocks which can
be set is 511.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/mmc/meson_gx_mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jaehoon Chung May 25, 2017, 1:58 p.m. UTC | #1
On 04/14/2017 05:10 PM, Heiner Kallweit wrote:
> Number of blocks is a 9 bit field where 0 stands for a unlimited
> number of blocks. Therefore the max number of blocks which can
> be set is 511.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied to u-boot-mmc. Thanks! Sorry for late.

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/meson_gx_mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
> index 8e28ab7..2dda1b7 100644
> --- a/drivers/mmc/meson_gx_mmc.c
> +++ b/drivers/mmc/meson_gx_mmc.c
> @@ -244,7 +244,7 @@ static int meson_mmc_probe(struct udevice *dev)
>  			MMC_MODE_HS_52MHz | MMC_MODE_HS;
>  	cfg->f_min = DIV_ROUND_UP(SD_EMMC_CLKSRC_24M, CLK_MAX_DIV);
>  	cfg->f_max = 100000000; /* 100 MHz */
> -	cfg->b_max = 256; /* max 256 blocks */
> +	cfg->b_max = 511; /* max 512 - 1 blocks */
>  	cfg->name = dev->name;
>  
>  	mmc->priv = pdata;
>
diff mbox

Patch

diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index 8e28ab7..2dda1b7 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -244,7 +244,7 @@  static int meson_mmc_probe(struct udevice *dev)
 			MMC_MODE_HS_52MHz | MMC_MODE_HS;
 	cfg->f_min = DIV_ROUND_UP(SD_EMMC_CLKSRC_24M, CLK_MAX_DIV);
 	cfg->f_max = 100000000; /* 100 MHz */
-	cfg->b_max = 256; /* max 256 blocks */
+	cfg->b_max = 511; /* max 512 - 1 blocks */
 	cfg->name = dev->name;
 
 	mmc->priv = pdata;