linux-kernel - [PATCH 3/3] mmc: remove anti clock gating quirk for wl1271

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Date:	Sun,  9 Jan 2011 17:26:20 +0100
From:	Pierre Tardy <tardyp@...il.com>
To:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Pierre Tardy <pierre.tardy@...el.com>
Subject: [PATCH 3/3] mmc: remove anti clock gating quirk for wl1271

From: Pierre Tardy <pierre.tardy@...el.com>

Signed-off-by: Pierre Tardy <pierre.tardy@...el.com>
---
 drivers/mmc/core/quirks.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c
index fe467c8..506e4fc 100644
--- a/drivers/mmc/core/quirks.c
+++ b/drivers/mmc/core/quirks.c
@@ -33,6 +33,14 @@ static void add_quirk(struct mmc_card *card, int data)
 }
 
 /*
+ * This hook just removes a quirk unconditionnally
+ */
+static void remove_quirk_hook(struct mmc_card *card, int data)
+{
+	card->quirks &= ~data;
+}
+
+/*
  * This hook just adds a quirk for all sdio devices
  */
 static void add_quirk_for_sdio_devices(struct mmc_card *card, int data)
@@ -41,9 +49,19 @@ static void add_quirk_for_sdio_devices(struct mmc_card *card, int data)
 		card->quirks |= data;
 }
 
+#ifndef SDIO_VENDOR_ID_TI
+#define SDIO_VENDOR_ID_TI		0x0097
+#endif
+
+#ifndef SDIO_DEVICE_ID_TI_WL1271
+#define SDIO_DEVICE_ID_TI_WL1271	0x4076
+#endif
+
 static const struct mmc_fixup mmc_fixup_methods[] = {
 	{ SDIO_ANY_ID, SDIO_ANY_ID,
 		add_quirk_for_sdio_devices, MMC_QUIRK_BROKEN_CLK_GATING }
+	{ SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
+		remove_quirk_hook, MMC_QUIRK_BROKEN_CLK_GATING },
 	{ 0 }
 };
 
-- 
1.7.1

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