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* [PATCH 1/3] ARM: OMAP: hsmmc requires data reset after data timeout
@ 2008-10-16 13:37 Adrian Hunter
  2008-10-28  8:58 ` Adrian Hunter
  0 siblings, 1 reply; 3+ messages in thread
From: Adrian Hunter @ 2008-10-16 13:37 UTC (permalink / raw)
  To: linux-omap Mailing List

According to TRM a software reset SRD after data timeout
is required.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 drivers/mmc/host/omap_hsmmc.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 00b1b68..8fb677e 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -417,6 +417,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 					mmc_dma_cleanup(host);
 				else
 					host->data->error = -EILSEQ;
+				OMAP_HSMMC_WRITE(host->base, SYSCTL,
+					OMAP_HSMMC_READ(host->base,
+							SYSCTL) | SRD);
+				while (OMAP_HSMMC_READ(host->base,
+							SYSCTL) & SRD) ;
 				end_trans = 1;
 			}
 		}
-- 
1.5.4.3

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/3] ARM: OMAP: hsmmc requires data reset after data timeout
  2008-10-16 13:37 [PATCH 1/3] ARM: OMAP: hsmmc requires data reset after data timeout Adrian Hunter
@ 2008-10-28  8:58 ` Adrian Hunter
  2008-10-28 16:59   ` Tony Lindgren
  0 siblings, 1 reply; 3+ messages in thread
From: Adrian Hunter @ 2008-10-28  8:58 UTC (permalink / raw)
  To: Tony Lindgren; +Cc: linux-omap Mailing List

Adrian Hunter wrote:
> According to TRM a software reset SRD after data timeout
> is required.
> 
> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
> ---
> drivers/mmc/host/omap_hsmmc.c |    5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index 00b1b68..8fb677e 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -417,6 +417,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
>                     mmc_dma_cleanup(host);
>                 else
>                     host->data->error = -EILSEQ;
> +                OMAP_HSMMC_WRITE(host->base, SYSCTL,
> +                    OMAP_HSMMC_READ(host->base,
> +                            SYSCTL) | SRD);
> +                while (OMAP_HSMMC_READ(host->base,
> +                            SYSCTL) & SRD) ;
>                 end_trans = 1;
>             }
>         }

Can this and my other 2 patches be applied?

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/3] ARM: OMAP: hsmmc requires data reset after data timeout
  2008-10-28  8:58 ` Adrian Hunter
@ 2008-10-28 16:59   ` Tony Lindgren
  0 siblings, 0 replies; 3+ messages in thread
From: Tony Lindgren @ 2008-10-28 16:59 UTC (permalink / raw)
  To: Adrian Hunter; +Cc: linux-omap Mailing List

* Adrian Hunter <ext-adrian.hunter@nokia.com> [081028 01:51]:
> Adrian Hunter wrote:
>> According to TRM a software reset SRD after data timeout
>> is required.
>>
>> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
>> ---
>> drivers/mmc/host/omap_hsmmc.c |    5 +++++
>> 1 files changed, 5 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
>> index 00b1b68..8fb677e 100644
>> --- a/drivers/mmc/host/omap_hsmmc.c
>> +++ b/drivers/mmc/host/omap_hsmmc.c
>> @@ -417,6 +417,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
>>                     mmc_dma_cleanup(host);
>>                 else
>>                     host->data->error = -EILSEQ;
>> +                OMAP_HSMMC_WRITE(host->base, SYSCTL,
>> +                    OMAP_HSMMC_READ(host->base,
>> +                            SYSCTL) | SRD);
>> +                while (OMAP_HSMMC_READ(host->base,
>> +                            SYSCTL) & SRD) ;
>>                 end_trans = 1;
>>             }
>>         }
>
> Can this and my other 2 patches be applied?

OK, I really want this driver out of the l-o list and submitted via
Pierre. So only fixes at this point.. But I guess these can be
considered fixes, so I'll push them.

BTW, I'll have some patches coming up for the hsmmc.c init to prepare
that for mainline.

Regards,

Tony

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2008-10-28 16:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2008-10-16 13:37 [PATCH 1/3] ARM: OMAP: hsmmc requires data reset after data timeout Adrian Hunter
2008-10-28  8:58 ` Adrian Hunter
2008-10-28 16:59   ` Tony Lindgren

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