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[v4,07/15] mmc: host: adjust uhs timing value

Message ID 1348659527-4200-8-git-send-email-keyuan.liu@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kevin Liu Sept. 26, 2012, 11:38 a.m. UTC
From: Kevin Liu <kliu5@marvell.com>

Both of MMC_TIMING_LEGACY and MMC_TIMING_UHS_SDR12 are defined
to 0. And ios->timing is set to MMC_TIMING_LEGACY during power up.
But set_ios can't distinguish these two timing if host support
spec 3.0. Just adjust timing values to be different can resolve
this issue without any other impact.

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kevin Liu <kliu5@marvell.com>
---
 include/linux/mmc/host.h |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

Comments

Girish K S Sept. 26, 2012, 1 p.m. UTC | #1
Reviewed By: Girish K S <girish.shivananjappa@linaro.org>

On 26 September 2012 20:38, Kevin Liu <keyuan.liu@gmail.com> wrote:
> From: Kevin Liu <kliu5@marvell.com>
>
> Both of MMC_TIMING_LEGACY and MMC_TIMING_UHS_SDR12 are defined
> to 0. And ios->timing is set to MMC_TIMING_LEGACY during power up.
> But set_ios can't distinguish these two timing if host support
> spec 3.0. Just adjust timing values to be different can resolve
> this issue without any other impact.
>
> Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
> Signed-off-by: Kevin Liu <kliu5@marvell.com>
> ---
>  include/linux/mmc/host.h |   12 ++++++------
>  1 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index d5d9bd4..036a5cc 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -53,12 +53,12 @@ struct mmc_ios {
>  #define MMC_TIMING_LEGACY      0
>  #define MMC_TIMING_MMC_HS      1
>  #define MMC_TIMING_SD_HS       2
> -#define MMC_TIMING_UHS_SDR12   MMC_TIMING_LEGACY
> -#define MMC_TIMING_UHS_SDR25   MMC_TIMING_SD_HS
> -#define MMC_TIMING_UHS_SDR50   3
> -#define MMC_TIMING_UHS_SDR104  4
> -#define MMC_TIMING_UHS_DDR50   5
> -#define MMC_TIMING_MMC_HS200   6
> +#define MMC_TIMING_UHS_SDR12   3
> +#define MMC_TIMING_UHS_SDR25   4
> +#define MMC_TIMING_UHS_SDR50   5
> +#define MMC_TIMING_UHS_SDR104  6
> +#define MMC_TIMING_UHS_DDR50   7
> +#define MMC_TIMING_MMC_HS200   8
>
>  #define MMC_SDR_MODE           0
>  #define MMC_1_2V_DDR_MODE      1
> --
> 1.7.0.4
>
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diff mbox

Patch

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index d5d9bd4..036a5cc 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -53,12 +53,12 @@  struct mmc_ios {
 #define MMC_TIMING_LEGACY	0
 #define MMC_TIMING_MMC_HS	1
 #define MMC_TIMING_SD_HS	2
-#define MMC_TIMING_UHS_SDR12	MMC_TIMING_LEGACY
-#define MMC_TIMING_UHS_SDR25	MMC_TIMING_SD_HS
-#define MMC_TIMING_UHS_SDR50	3
-#define MMC_TIMING_UHS_SDR104	4
-#define MMC_TIMING_UHS_DDR50	5
-#define MMC_TIMING_MMC_HS200	6
+#define MMC_TIMING_UHS_SDR12	3
+#define MMC_TIMING_UHS_SDR25	4
+#define MMC_TIMING_UHS_SDR50	5
+#define MMC_TIMING_UHS_SDR104	6
+#define MMC_TIMING_UHS_DDR50	7
+#define MMC_TIMING_MMC_HS200	8
 
 #define MMC_SDR_MODE		0
 #define MMC_1_2V_DDR_MODE	1