From: addy.ke@rock-chips.com (Addy Ke)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/3] mmc: dw_mmc: Don't start command while data busy
Date: Fri, 13 Feb 2015 19:52:48 +0800 [thread overview]
Message-ID: <1423828368-18456-4-git-send-email-addy.ke@rock-chips.com> (raw)
In-Reply-To: <1423828368-18456-1-git-send-email-addy.ke@rock-chips.com>
We should wait for data busy here in non-volt-switch state.
This may happend when sdio sends CMD53.
Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
---
drivers/mmc/host/dw_mmc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index f0d9da5..23507c9 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1076,6 +1076,12 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq)
WARN_ON(slot->mrq);
/*
+ * We should wait for data busy here in non-volt-switch state.
+ * This may happend when sdio sends CMD53.
+ */
+ dw_mci_wait_busy(slot);
+
+ /*
* The check for card presence and queueing of the request must be
* atomic, otherwise the card could be removed in between and the
* request wouldn't fail until another card was inserted.
--
1.8.3.2
next prev parent reply other threads:[~2015-02-13 11:52 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-05 11:13 [PATCH] mmc: dw_mmc: fix bug that cause 'Timeout sending command' Addy Ke
2015-02-09 4:51 ` Ulf Hansson
2015-02-09 6:56 ` Addy
2015-02-09 7:04 ` Jaehoon Chung
2015-02-09 9:17 ` addy ke
2015-02-09 7:25 ` [PATCH v2 0/2] about data busy Addy Ke
2015-02-09 7:25 ` [PATCH v2 1/2] mmc: dw_mmc: fix bug that cause 'Timeout sending command' Addy Ke
2015-02-09 10:01 ` Jaehoon Chung
2015-02-11 3:07 ` Addy
2015-02-10 15:22 ` Alim Akhtar
2015-02-11 2:57 ` Addy
2015-02-09 7:25 ` [PATCH v2 2/2] mmc: dw_mmc: Don't start command while data busy Addy Ke
2015-02-13 11:52 ` [PATCH v3 0/3] about " Addy Ke
2015-02-13 11:52 ` [PATCH v3 1/3] mmc: dw_mmc: update clock after host reach a stable voltage Addy Ke
2015-02-13 11:52 ` [PATCH v3 2/3] mmc: dw_mmc: fix bug that cause 'Timeout sending command' Addy Ke
2015-02-13 11:52 ` Addy Ke [this message]
2015-02-14 6:17 ` [PATCH v4 0/3] about data busy Addy Ke
2015-02-14 6:17 ` [PATCH v4 1/3] mmc: dw_mmc: update clock after host reach a stable voltage Addy Ke
2015-02-15 23:28 ` Alim Akhtar
2015-02-19 10:30 ` addy ke
2015-02-19 23:49 ` Doug Anderson
2015-02-20 0:02 ` Russell King - ARM Linux
2015-02-20 1:04 ` Doug Anderson
2015-02-20 19:05 ` Doug Anderson
2015-02-25 7:52 ` Alim Akhtar
2015-02-25 9:56 ` Jaehoon Chung
2015-02-25 21:05 ` Doug Anderson
2015-02-14 6:17 ` [PATCH v4 2/3] mmc: dw_mmc: fix bug that cause 'Timeout sending command' Addy Ke
2015-02-14 6:17 ` [PATCH v4 3/3] mmc: dw_mmc: Don't start command while data busy Addy Ke
2015-02-20 0:21 ` Doug Anderson
2015-02-15 11:41 ` [PATCH v4 0/3] about " Javier Martinez Canillas
2015-02-16 5:48 ` Jaehoon Chung
2015-02-16 11:09 ` Javier Martinez Canillas
2015-02-19 10:55 ` addy ke
2015-02-20 19:03 ` Doug Anderson
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