From ed199f7e7346ba508f803180ecc6830e92558a1e Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Tue, 10 Aug 2010 18:01:52 -0700
Subject: [PATCH] omap: pandora: pass wl1251 information to SDIO core

Pandora has TI WL1251 attached on MMC3, which is non-standard SDIO chip.
Make use MMC_QUIRK_NONSTD_SDIO to tell SDIO core about it.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Bob Copeland <me@bobcopeland.com>
Cc: Kalle Valo <kvalo@adurom.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Kishore Kadiyala <kishore.kadiyala@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/arm/mach-omap2/board-omap3pandora.c | 16 ++++++++++++++++
 arch/arm/mach-omap2/hsmmc.c              |  1 +
 arch/arm/mach-omap2/hsmmc.h              |  4 ++++
 3 files changed, 21 insertions(+)

diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 55836fa35060..dd3af2be13be 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -32,6 +32,7 @@
 #include <linux/input.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/gpio_keys.h>
+#include <linux/mmc/card.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -258,6 +259,20 @@ static struct platform_device pandora_dss_device = {
 	},
 };
 
+static void pandora_wl1251_init_card(struct mmc_card *card)
+{
+	/*
+	 * We have TI wl1251 attached to MMC3. Pass this information to
+	 * SDIO core because it can't be probed by normal methods.
+	 */
+	card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+	card->cccr.wide_bus = 1;
+	card->cis.vendor = 0x104c;
+	card->cis.device = 0x9066;
+	card->cis.blksize = 512;
+	card->cis.max_dtr = 20000000;
+}
+
 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
 	{
 		.mmc		= 1,
@@ -279,6 +294,7 @@ static struct omap2_hsmmc_info omap3pandora_mmc[] = {
 		.wires		= 4,
 		.gpio_cd	= -EINVAL,
 		.gpio_wp	= -EINVAL,
+		.init_card	= pandora_wl1251_init_card,
 	},
 	{}	/* Terminator */
 };
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 1ef54b036103..c8f647b6205e 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -268,6 +268,7 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
 		mmc->slots[0].gpio_wp = c->gpio_wp;
 
 		mmc->slots[0].remux = c->remux;
+		mmc->slots[0].init_card = c->init_card;
 
 		if (c->cover_only)
 			mmc->slots[0].cover = 1;
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
index 36f0ba8d89e2..1fe6f0187177 100644
--- a/arch/arm/mach-omap2/hsmmc.h
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -6,6 +6,8 @@
  * published by the Free Software Foundation.
  */
 
+struct mmc_card;
+
 struct omap2_hsmmc_info {
 	u8	mmc;		/* controller 1/2/3 */
 	u8	wires;		/* 1/4/8 wires */
@@ -23,6 +25,8 @@ struct omap2_hsmmc_info {
 	int	ocr_mask;	/* temporary HACK */
 	/* Remux (pad configuation) when powering on/off */
 	void (*remux)(struct device *dev, int slot, int power_on);
+	/* init some special card */
+	void (*init_card)(struct mmc_card *card);
 };
 
 #if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)