From: Jaehoon Chung <jh80.chung@samsung.com>
To: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Cc: Chris Ball <cjb@laptop.org>, Ben Dooks <ben-linux@fluff.org>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: [PATCH] mmc: sdhci-s3c: add quirk about BROKEN_ADMA_ZEROLEN_DESC
Date: Tue, 12 Jul 2011 17:30:47 +0900 [thread overview]
Message-ID: <4E1C0637.2090603@samsung.com> (raw)
This patch is added the quirk for Samsung SoCs.
Samsung SoCs need to set QUIRK_BROKEN_ADMA_ZEROLEN_DESC.
(If ADMA operation is more than 65535, maybe set by zero.)
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mmc/host/sdhci-s3c.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 460ffaf..03da44a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -502,6 +502,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
/* This host supports the Auto CMD12 */
host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
+ /* Samsung SoCs need BROKEN_ADMA_ZEROLEN_DESC */
+ host->quirks |= SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC;
+
if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
next reply other threads:[~2011-07-12 8:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-12 8:30 Jaehoon Chung [this message]
2011-07-13 4:13 ` [PATCH] mmc: sdhci-s3c: add quirk about BROKEN_ADMA_ZEROLEN_DESC Seungwon Jeon
2011-07-13 4:18 ` Philip Rakity
2011-07-28 22:28 ` Chris Ball
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=4E1C0637.2090603@samsung.com \
--to=jh80.chung@samsung.com \
--cc=ben-linux@fluff.org \
--cc=cjb@laptop.org \
--cc=kyungmin.park@samsung.com \
--cc=linux-mmc@vger.kernel.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