public inbox for linux-mmc@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit
@ 2013-03-25  7:28 Seungwon Jeon
  2013-03-26 12:02 ` Jaehoon Chung
  2013-04-04 13:56 ` Chris Ball
  0 siblings, 2 replies; 3+ messages in thread
From: Seungwon Jeon @ 2013-03-25  7:28 UTC (permalink / raw)
  To: linux-mmc; +Cc: 'Chris Ball', 'Jaehoon Chung'

mci_writew causes a failure of fifo access for 64-bit.
mci_writeq is correct.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
---
 drivers/mmc/host/dw_mmc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index a443820..753c55c 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1373,8 +1373,9 @@ static void dw_mci_push_data64(struct dw_mci *host, void *buf, int cnt)
 		int len = dw_mci_push_part_bytes(host, buf, cnt);
 		buf += len;
 		cnt -= len;
+
 		if (host->part_buf_count == 8) {
-			mci_writew(host, DATA(host->data_offset),
+			mci_writeq(host, DATA(host->data_offset),
 					host->part_buf);
 			host->part_buf_count = 0;
 		}
-- 
1.7.0.4



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

* Re: [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit
  2013-03-25  7:28 [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit Seungwon Jeon
@ 2013-03-26 12:02 ` Jaehoon Chung
  2013-04-04 13:56 ` Chris Ball
  1 sibling, 0 replies; 3+ messages in thread
From: Jaehoon Chung @ 2013-03-26 12:02 UTC (permalink / raw)
  To: Seungwon Jeon; +Cc: linux-mmc, 'Chris Ball', 'Jaehoon Chung'

Acked-by: Jaehoon Chung <jh80.chung@samsung.com>

On 03/25/2013 04:28 PM, Seungwon Jeon wrote:
> mci_writew causes a failure of fifo access for 64-bit.
> mci_writeq is correct.
> 
> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
> ---
>  drivers/mmc/host/dw_mmc.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index a443820..753c55c 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1373,8 +1373,9 @@ static void dw_mci_push_data64(struct dw_mci *host, void *buf, int cnt)
>  		int len = dw_mci_push_part_bytes(host, buf, cnt);
>  		buf += len;
>  		cnt -= len;
> +
>  		if (host->part_buf_count == 8) {
> -			mci_writew(host, DATA(host->data_offset),
> +			mci_writeq(host, DATA(host->data_offset),
>  					host->part_buf);
>  			host->part_buf_count = 0;
>  		}
> 


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

* Re: [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit
  2013-03-25  7:28 [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit Seungwon Jeon
  2013-03-26 12:02 ` Jaehoon Chung
@ 2013-04-04 13:56 ` Chris Ball
  1 sibling, 0 replies; 3+ messages in thread
From: Chris Ball @ 2013-04-04 13:56 UTC (permalink / raw)
  To: Seungwon Jeon; +Cc: linux-mmc, 'Jaehoon Chung'

Hi,

On Mon, Mar 25 2013, Seungwon Jeon wrote:
> mci_writew causes a failure of fifo access for 64-bit.
> mci_writeq is correct.
>
> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
> ---
>  drivers/mmc/host/dw_mmc.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index a443820..753c55c 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1373,8 +1373,9 @@ static void dw_mci_push_data64(struct dw_mci *host, void *buf, int cnt)
>  		int len = dw_mci_push_part_bytes(host, buf, cnt);
>  		buf += len;
>  		cnt -= len;
> +
>  		if (host->part_buf_count == 8) {
> -			mci_writew(host, DATA(host->data_offset),
> +			mci_writeq(host, DATA(host->data_offset),
>  					host->part_buf);
>  			host->part_buf_count = 0;
>  		}

Thanks, pushed to mmc-next for 3.10.

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child

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

end of thread, other threads:[~2013-04-04 13:56 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-03-25  7:28 [PATCH RESEND] mmc: dw_mmc: fix fifo access for 64-bit Seungwon Jeon
2013-03-26 12:02 ` Jaehoon Chung
2013-04-04 13:56 ` Chris Ball

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox