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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 07/14] atmel_mci: fix host init
Date: Fri, 25 Jan 2013 16:17:40 +0100	[thread overview]
Message-ID: <1359127067-30079-7-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1359127067-30079-1-git-send-email-plagnioj@jcrosoft.com>

disable interrupt and reset the IP at the probe
set timout at the host init

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 drivers/mci/atmel_mci.c |   14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/mci/atmel_mci.c b/drivers/mci/atmel_mci.c
index 72d92dc..d5fdd1d 100644
--- a/drivers/mci/atmel_mci.c
+++ b/drivers/mci/atmel_mci.c
@@ -60,13 +60,6 @@ struct atmel_mci {
 				| ATMCI_OVRE  \
 				| ATMCI_UNRE)
 
-static void atmci_ip_reset(struct atmel_mci *host)
-{
-	atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST | ATMCI_CR_MCIDIS);
-	atmci_writel(host, ATMCI_DTOR, 0x7f);
-	atmci_writel(host, ATMCI_IDR, ~0UL);
-}
-
 static void atmci_set_clk_rate(struct atmel_mci *host,
 			       unsigned int clock_min)
 {
@@ -360,7 +353,8 @@ static int atmci_reset(struct mci_host *mci, struct device_d *mci_dev)
 		return -ENODEV;
 
 	clk_enable(host->clk);
-	atmci_ip_reset(host);
+	atmci_writel(host, ATMCI_DTOR, 0x7f);
+	clk_disable(host->clk);
 
 	return 0;
 }
@@ -519,7 +513,11 @@ static int atmci_probe(struct device_d *hw_dev)
 		return PTR_ERR(host->clk);
 	}
 
+	clk_enable(host->clk);
+	atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST);
+	atmci_writel(host, ATMCI_IDR, ~0UL);
 	host->bus_hz = clk_get_rate(host->clk);
+	clk_disable(host->clk);
 
 	host->mci.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
 
-- 
1.7.10.4


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  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   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
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   ` [PATCH 10/14] atmel_mci: after a software timeout the IP need to be reset Jean-Christophe PLAGNIOL-VILLARD
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

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