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* [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse()
@ 2014-08-25 18:19 Doug Anderson
  2014-08-27  4:13 ` Jaehoon Chung
  2014-08-29 11:59 ` Ulf Hansson
  0 siblings, 2 replies; 3+ messages in thread
From: Doug Anderson @ 2014-08-25 18:19 UTC (permalink / raw)
  To: Ulf Hansson
  Cc: Addy Ke, olof, Sonny Rao, Jaehoon Chung, Seungwon Jeon,
	Chris Ball, Yuvaraj Kumar C D, Doug Anderson, chris, linux-mmc,
	linux-kernel

It's possible that mmc_of_parse() could return errors (possibly in
some future version it might return -EPROBE_DEFER even).  Let's pass
those errors back.

Signed-off-by: Doug Anderson <dianders@chromium.org>
---
 drivers/mmc/host/dw_mmc.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 7f227e9..9ef4df0 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2131,7 +2131,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	if (host->pdata->caps2)
 		mmc->caps2 = host->pdata->caps2;
 
-	mmc_of_parse(mmc);
+	ret = mmc_of_parse(mmc);
+	if (ret)
+		goto err_host_allocated;
 
 	if (host->pdata->blk_settings) {
 		mmc->max_segs = host->pdata->blk_settings->max_segs;
@@ -2163,7 +2165,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 
 	ret = mmc_add_host(mmc);
 	if (ret)
-		goto err_setup_bus;
+		goto err_host_allocated;
 
 #if defined(CONFIG_DEBUG_FS)
 	dw_mci_init_debugfs(slot);
@@ -2174,9 +2176,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 
 	return 0;
 
-err_setup_bus:
+err_host_allocated:
 	mmc_free_host(mmc);
-	return -EINVAL;
+	return ret;
 }
 
 static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
-- 
2.1.0.rc2.206.gedb03e5

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

* Re: [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse()
  2014-08-25 18:19 [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse() Doug Anderson
@ 2014-08-27  4:13 ` Jaehoon Chung
  2014-08-29 11:59 ` Ulf Hansson
  1 sibling, 0 replies; 3+ messages in thread
From: Jaehoon Chung @ 2014-08-27  4:13 UTC (permalink / raw)
  To: Doug Anderson, Ulf Hansson
  Cc: Addy Ke, olof, Sonny Rao, Jaehoon Chung, Seungwon Jeon,
	Chris Ball, Yuvaraj Kumar C D, chris, linux-mmc, linux-kernel

Looks good to me.

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

Best Regards,
Jaehoon Chung

On 08/26/2014 03:19 AM, Doug Anderson wrote:
> It's possible that mmc_of_parse() could return errors (possibly in
> some future version it might return -EPROBE_DEFER even).  Let's pass
> those errors back.
> 
> Signed-off-by: Doug Anderson <dianders@chromium.org>
> ---
>  drivers/mmc/host/dw_mmc.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 7f227e9..9ef4df0 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -2131,7 +2131,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>  	if (host->pdata->caps2)
>  		mmc->caps2 = host->pdata->caps2;
>  
> -	mmc_of_parse(mmc);
> +	ret = mmc_of_parse(mmc);
> +	if (ret)
> +		goto err_host_allocated;
>  
>  	if (host->pdata->blk_settings) {
>  		mmc->max_segs = host->pdata->blk_settings->max_segs;
> @@ -2163,7 +2165,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>  
>  	ret = mmc_add_host(mmc);
>  	if (ret)
> -		goto err_setup_bus;
> +		goto err_host_allocated;
>  
>  #if defined(CONFIG_DEBUG_FS)
>  	dw_mci_init_debugfs(slot);
> @@ -2174,9 +2176,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>  
>  	return 0;
>  
> -err_setup_bus:
> +err_host_allocated:
>  	mmc_free_host(mmc);
> -	return -EINVAL;
> +	return ret;
>  }
>  
>  static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
> 


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

* Re: [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse()
  2014-08-25 18:19 [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse() Doug Anderson
  2014-08-27  4:13 ` Jaehoon Chung
@ 2014-08-29 11:59 ` Ulf Hansson
  1 sibling, 0 replies; 3+ messages in thread
From: Ulf Hansson @ 2014-08-29 11:59 UTC (permalink / raw)
  To: Doug Anderson
  Cc: Addy Ke, Olof Johansson, Sonny Rao, Jaehoon Chung, Seungwon Jeon,
	Chris Ball, Yuvaraj Kumar C D, Chris Ball, linux-mmc,
	linux-kernel@vger.kernel.org

On 25 August 2014 20:19, Doug Anderson <dianders@chromium.org> wrote:
> It's possible that mmc_of_parse() could return errors (possibly in
> some future version it might return -EPROBE_DEFER even).  Let's pass
> those errors back.
>
> Signed-off-by: Doug Anderson <dianders@chromium.org>

Thanks! Applied for next.

I needed to resolve to simple conflict, but you still might want to
verify that the end result is what you expected.

Kind regards
Uffe

> ---
>  drivers/mmc/host/dw_mmc.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 7f227e9..9ef4df0 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -2131,7 +2131,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>         if (host->pdata->caps2)
>                 mmc->caps2 = host->pdata->caps2;
>
> -       mmc_of_parse(mmc);
> +       ret = mmc_of_parse(mmc);
> +       if (ret)
> +               goto err_host_allocated;
>
>         if (host->pdata->blk_settings) {
>                 mmc->max_segs = host->pdata->blk_settings->max_segs;
> @@ -2163,7 +2165,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>
>         ret = mmc_add_host(mmc);
>         if (ret)
> -               goto err_setup_bus;
> +               goto err_host_allocated;
>
>  #if defined(CONFIG_DEBUG_FS)
>         dw_mci_init_debugfs(slot);
> @@ -2174,9 +2176,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
>
>         return 0;
>
> -err_setup_bus:
> +err_host_allocated:
>         mmc_free_host(mmc);
> -       return -EINVAL;
> +       return ret;
>  }
>
>  static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
> --
> 2.1.0.rc2.206.gedb03e5
>

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

end of thread, other threads:[~2014-08-29 12:00 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-08-25 18:19 [PATCH] mmc: dw_mmc: Pass back errors from mmc_of_parse() Doug Anderson
2014-08-27  4:13 ` Jaehoon Chung
2014-08-29 11:59 ` Ulf Hansson

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