linux-mmc.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [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

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

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).