mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 10/14] atmel_mci: after a software timeout the IP need to be reset
Date: Fri, 25 Jan 2013 16:17:43 +0100	[thread overview]
Message-ID: <1359127067-30079-10-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1359127067-30079-1-git-send-email-plagnioj@jcrosoft.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 drivers/mci/atmel_mci.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mci/atmel_mci.c b/drivers/mci/atmel_mci.c
index 1b60348..53df2e3 100644
--- a/drivers/mci/atmel_mci.c
+++ b/drivers/mci/atmel_mci.c
@@ -48,6 +48,7 @@ struct atmel_mci {
 
 	unsigned long		bus_hz;
 	u32			mode_reg;
+	bool			need_reset;
 };
 
 #define to_mci_host(mci)	container_of(mci, struct atmel_mci, mci)
@@ -118,6 +119,7 @@ static int atmci_poll_status(struct atmel_mci *host, u32 mask)
 			return stat;
 		if (is_timeout(start, SECOND)) {
 			dev_err(host->hw_dev, "timeout\n");
+			host->need_reset = true;
 			return ATMCI_RTOE | stat;
 		}
 		if (stat & mask)
@@ -412,10 +414,11 @@ static int atmci_request(struct mci_host *mci, struct mci_cmd *cmd, struct mci_d
 	u32 stat, cmdat = 0;
 	int ret;
 
-	if (host->caps.need_reset_after_xfer) {
+	if (host->need_reset || host->caps.need_reset_after_xfer) {
 		atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST);
 		atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN);
 		atmci_writel(host, ATMCI_MR, host->mode_reg);
+		host->need_reset = false;
 	}
 
 	if (cmd->resp_type != MMC_RSP_NONE)
-- 
1.7.10.4


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2013-01-25 15:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-25 15:14 [for master PATCH 00/14] atmel_mci: fixes and cleanup Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 01/14] atmel_mci: rename atmel_mci_host tp atmel_mci Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 02/14] atmel_mci: rename atmel_mci_readl/writel to atmci_readl/writel Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 03/14] atmel_mci: rename all function to start with atmci Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 04/14] atmel_mci: use linux regs define Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 05/14] atmel_mci: detect IP version Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 06/14] atmel_mci: version 0x5xx of the IP have a different clk div Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 07/14] atmel_mci: fix host init Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 08/14] atmel_mci: rwproof is only needed since IP version 0x200 Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 17:31     ` Sascha Hauer
2013-01-25 17:35       ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 09/14] atmel_mci: on version 0x0 we need to reset the IP at each request Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-01-25 15:17   ` [PATCH 11/14] atmel_mci: support the SD highspeed since IP version 0x300 Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 12/14] atmel_mci: update the SD/SDIO Card Register at request time Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 13/14] atmel_mci: drop board host caps Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17   ` [PATCH 14/14] atmel_mci: gpio: request and configure card detect Jean-Christophe PLAGNIOL-VILLARD

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1359127067-30079-10-git-send-email-plagnioj@jcrosoft.com \
    --to=plagnioj@jcrosoft.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox