linux-kernel - [PATCH 4.2 106/134] mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20150926205318.253288739@linuxfoundation.org>
Date:	Sat, 26 Sep 2015 13:55:58 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Peter Guo <peter.guo@...hubtech.com>,
	Adam Lee <adam.lee@...onical.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.2 106/134] mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Adam Lee <adam.lee@...onical.com>

commit 143b648ddf1583905fa15d32be27a31442fc7933 upstream.

This patch fixes MMC not working issue on O2Micro/BayHub Host, which
requires transfer mode register to be cleared when sending no DMA
command.

Signed-off-by: Peter Guo <peter.guo@...hubtech.com>
Signed-off-by: Adam Lee <adam.lee@...onical.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/sdhci-pci.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -618,6 +618,7 @@ static int jmicron_resume(struct sdhci_p
 static const struct sdhci_pci_fixes sdhci_o2 = {
 	.probe = sdhci_pci_o2_probe,
 	.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+	.quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD,
 	.probe_slot = sdhci_pci_o2_probe_slot,
 	.resume = sdhci_pci_o2_resume,
 };


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/