mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 17:51:43 +00:00
8a23fa1b95
DMAengine uses the DMA engine device structure when mapping/unmapping memory for DMA, so the MMC devices do not need their DMA masks initialized (this reflects hardware: the MMC device is not the device doing DMA.) Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
|
* linux/arch/arm/mach-omap1/board-h2-mmc.c
|
|
*
|
|
* Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
|
|
* Author: Felipe Balbi <felipe.lima@indt.org.br>
|
|
*
|
|
* This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
|
|
* Copyright (C) 2006 Nokia Corporation
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#include <linux/gpio.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/i2c/tps65010.h>
|
|
|
|
#include <plat/mmc.h>
|
|
|
|
#include "board-h2.h"
|
|
|
|
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
|
|
|
|
static int mmc_set_power(struct device *dev, int slot, int power_on,
|
|
int vdd)
|
|
{
|
|
gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
|
|
return 0;
|
|
}
|
|
|
|
static int mmc_late_init(struct device *dev)
|
|
{
|
|
int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void mmc_cleanup(struct device *dev)
|
|
{
|
|
gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
|
|
}
|
|
|
|
/*
|
|
* H2 could use the following functions tested:
|
|
* - mmc_get_cover_state that uses OMAP_MPUIO(1)
|
|
* - mmc_get_wp that uses OMAP_MPUIO(3)
|
|
*/
|
|
static struct omap_mmc_platform_data mmc1_data = {
|
|
.nr_slots = 1,
|
|
.init = mmc_late_init,
|
|
.cleanup = mmc_cleanup,
|
|
.slots[0] = {
|
|
.set_power = mmc_set_power,
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.name = "mmcblk",
|
|
},
|
|
};
|
|
|
|
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
|
|
|
|
void __init h2_mmc_init(void)
|
|
{
|
|
mmc_data[0] = &mmc1_data;
|
|
omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
|
|
}
|
|
|
|
#else
|
|
|
|
void __init h2_mmc_init(void)
|
|
{
|
|
}
|
|
|
|
#endif
|