>From 6ed0f09877e25af46579c1e7754600d31356e302 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hun...@nokia.com>
Date: Mon, 18 May 2009 11:33:26 +0300
Subject: [PATCH] omap_hsmmc: pass host capabilities for SD only and MMC only
Some hosts can accept only certain types of cards.
For example, an eMMC is MMC only and a uSD slot may
be SD only. Pass host capabilities from the board
through to the driver.
Signed-off-by: Adrian Hunter <adrian.hun...@nokia.com>
---
arch/arm/mach-omap2/mmc-twl4030.c | 5 ++---
arch/arm/mach-omap2/mmc-twl4030.h | 2 +-
arch/arm/plat-omap/include/mach/mmc.h | 6 +++---
drivers/mmc/host/omap_hsmmc.c | 7 ++++---
4 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c
b/arch/arm/mach-omap2/mmc-twl4030.c
index f95c702..48765bf 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -464,12 +464,11 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info
*controllers)
} else
mmc->slots[0].gpio_wp = -EINVAL;
- if (c->nonremovable)
- mmc->slots[0].nonremovable = 1;
-
if (c->power_saving)
mmc->slots[0].power_saving = 1;
+ mmc->slots[0].caps = c->caps;
+
/* NOTE: MMC slots should have a Vcc regulator set up.
* This may be from a TWL4030-family chip, another
* controllable regulator, or a fixed supply.
diff --git a/arch/arm/mach-omap2/mmc-twl4030.h
b/arch/arm/mach-omap2/mmc-twl4030.h
index a47e685..cb43f52 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.h
+++ b/arch/arm/mach-omap2/mmc-twl4030.h
@@ -12,8 +12,8 @@ struct twl4030_hsmmc_info {
bool transceiver; /* MMC-2 option */
bool ext_clock; /* use external pin for input clock */
bool cover_only; /* No card detect - just cover switch */
- bool nonremovable; /* Nonremovable e.g. eMMC */
bool power_saving; /* Try to sleep or power off when possible */
+ unsigned long caps; /* MMC host capabilities */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
char *name; /* or NULL for default */
diff --git a/arch/arm/plat-omap/include/mach/mmc.h
b/arch/arm/plat-omap/include/mach/mmc.h
index 9390297..48cf2de 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -83,12 +83,12 @@ struct omap_mmc_platform_data {
/* use the internal clock */
unsigned internal_clock:1;
- /* nonremovable e.g. eMMC */
- unsigned nonremovable:1;
-
/* Try to sleep or power off when possible */
unsigned power_saving:1;
+ /* MMC host capabilities */
+ unsigned long caps;
+
int switch_pin; /* gpio (card detect) */
int gpio_wp; /* gpio (write protect) */
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 5213d87..42dfc49 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1664,10 +1664,11 @@ static int __init omap_mmc_probe(struct platform_device
*pdev)
else if (mmc_slot(host).wires >= 4)
mmc->caps |= MMC_CAP_4_BIT_DATA;
- if (mmc_slot(host).nonremovable)
- mmc->caps |= MMC_CAP_NONREMOVABLE;
+ mmc->caps |= mmc_slot(host).caps;
- mmc->caps |= MMC_CAP_SDIO | MMC_CAP_SD | MMC_CAP_MMC;
+ /* If no card caps specified then assume them all */
+ if (!(mmc->caps & (MMC_CAP_SDIO | MMC_CAP_SD | MMC_CAP_MMC)))
+ mmc->caps |= MMC_CAP_SDIO | MMC_CAP_SD | MMC_CAP_MMC;
omap_hsmmc_init(host);
--
1.5.6.3
--
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