* [PATCH] mmc: Limit MMC speed to 25MHz if HIGHSPEED CAPS bit is not set.
@ 2012-05-14 20:11 Al Cooper
2012-05-14 20:15 ` Adam Cooper
0 siblings, 1 reply; 2+ messages in thread
From: Al Cooper @ 2012-05-14 20:11 UTC (permalink / raw)
To: cjb, linux-mmc, cernekee; +Cc: Al Cooper
If the HIGHSPEED capabilities bit is not set, limit the MMC clock
speed to 25MHz.
Signed-off-by: Al Cooper <acooper@gmail.com>
---
drivers/mmc/core/mmc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 54df5ad..912c893 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1045,7 +1045,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
mmc_card_set_hs200(card);
mmc_set_timing(card->host,
MMC_TIMING_MMC_HS200);
- } else {
+ } else if (host->caps & MMC_CAP_MMC_HIGHSPEED) {
mmc_card_set_highspeed(card);
mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
}
--
1.7.6
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] mmc: Limit MMC speed to 25MHz if HIGHSPEED CAPS bit is not set.
2012-05-14 20:11 [PATCH] mmc: Limit MMC speed to 25MHz if HIGHSPEED CAPS bit is not set Al Cooper
@ 2012-05-14 20:15 ` Adam Cooper
0 siblings, 0 replies; 2+ messages in thread
From: Adam Cooper @ 2012-05-14 20:15 UTC (permalink / raw)
To: cjb, linux-mmc, cernekee; +Cc: Al Cooper
This is not Al's email address. Please have him use his own email address.
On Mon, May 14, 2012 at 4:11 PM, Al Cooper <acooper@gmail.com> wrote:
> If the HIGHSPEED capabilities bit is not set, limit the MMC clock
> speed to 25MHz.
>
> Signed-off-by: Al Cooper <acooper@gmail.com>
> ---
> drivers/mmc/core/mmc.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 54df5ad..912c893 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -1045,7 +1045,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> mmc_card_set_hs200(card);
> mmc_set_timing(card->host,
> MMC_TIMING_MMC_HS200);
> - } else {
> + } else if (host->caps & MMC_CAP_MMC_HIGHSPEED) {
> mmc_card_set_highspeed(card);
> mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
> }
> --
> 1.7.6
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-05-14 20:11 [PATCH] mmc: Limit MMC speed to 25MHz if HIGHSPEED CAPS bit is not set Al Cooper
2012-05-14 20:15 ` Adam Cooper
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