From: Jaehoon Chung <jh80.chung@samsung.com>
To: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Cc: Will Newton <will.newton@gmail.com>, Chris Ball <cjb@laptop.org>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: [PATCH] dw_mmc: support 8-bit buswidth
Date: Thu, 17 Feb 2011 16:12:38 +0900 [thread overview]
Message-ID: <4D5CCA66.9080008@samsung.com> (raw)
This patch is supported 8-bit buswidth
dw_mmc can also 8-bit buswidth and set to CTYPE_8BIT in card-type register.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mmc/host/dw_mmc.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 2fcc825..0f6e4a5 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -672,6 +672,9 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
case MMC_BUS_WIDTH_4:
slot->ctype = SDMMC_CTYPE_4BIT;
break;
+ case MMC_BUS_WIDTH_8:
+ slot->ctype = SDMMC_CTYPE_8BIT;
+ break;
}
if (ios->clock) {
next reply other threads:[~2011-02-17 7:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 7:12 Jaehoon Chung [this message]
2011-02-17 10:12 ` [PATCH] dw_mmc: support 8-bit buswidth Will Newton
2011-02-17 15:39 ` Chris Ball
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