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omap_hsmmc: allow compile without regulator framework 

It is still possible to use the omap_hsmmc module
without the regulator framework.  Accordingly, ifdef
out regulator-specific functions.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adrian Hunter 2010-02-15 10:03:35 -08:00 committed by Tony Lindgren
parent e0eb242446
commit b702b1060a
1 changed files with 79 additions and 54 deletions
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133
drivers/mmc/host/omap_hsmmc.c
View File

@ -236,6 +236,8 @@ static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
#endif
#ifdef CONFIG_REGULATOR
static int omap_hsmmc_1_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
@ -357,59 +359,6 @@ static int omap_hsmmc_23_set_sleep(struct device *dev, int slot, int sleep,
return regulator_enable(host->vcc_aux);
}
static int omap_hsmmc_gpio_init(struct omap_mmc_platform_data *pdata)
{
int ret;
if (gpio_is_valid(pdata->slots[0].switch_pin)) {
pdata->suspend = omap_hsmmc_suspend_cdirq;
pdata->resume = omap_hsmmc_resume_cdirq;
if (pdata->slots[0].cover)
pdata->slots[0].get_cover_state =
omap_hsmmc_get_cover_state;
else
pdata->slots[0].card_detect = omap_hsmmc_card_detect;
pdata->slots[0].card_detect_irq =
gpio_to_irq(pdata->slots[0].switch_pin);
ret = gpio_request(pdata->slots[0].switch_pin, "mmc_cd");
if (ret)
return ret;
ret = gpio_direction_input(pdata->slots[0].switch_pin);
if (ret)
goto err_free_sp;
} else
pdata->slots[0].switch_pin = -EINVAL;
if (gpio_is_valid(pdata->slots[0].gpio_wp)) {
pdata->slots[0].get_ro = omap_hsmmc_get_wp;
ret = gpio_request(pdata->slots[0].gpio_wp, "mmc_wp");
if (ret)
goto err_free_cd;
ret = gpio_direction_input(pdata->slots[0].gpio_wp);
if (ret)
goto err_free_wp;
} else
pdata->slots[0].gpio_wp = -EINVAL;
return 0;
err_free_wp:
gpio_free(pdata->slots[0].gpio_wp);
err_free_cd:
if (gpio_is_valid(pdata->slots[0].switch_pin))
err_free_sp:
gpio_free(pdata->slots[0].switch_pin);
return ret;
}
static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata)
{
if (gpio_is_valid(pdata->slots[0].gpio_wp))
gpio_free(pdata->slots[0].gpio_wp);
if (gpio_is_valid(pdata->slots[0].switch_pin))
gpio_free(pdata->slots[0].switch_pin);
}
static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
struct regulator *reg;
@ -488,6 +437,82 @@ static void omap_hsmmc_reg_put(struct omap_hsmmc_host *host)
mmc_slot(host).set_sleep = NULL;
}
static inline int omap_hsmmc_have_reg(void)
{
return 1;
}
#else
static inline int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
return -EINVAL;
}
static inline void omap_hsmmc_reg_put(struct omap_hsmmc_host *host)
{
}
static inline int omap_hsmmc_have_reg(void)
{
return 0;
}
#endif
static int omap_hsmmc_gpio_init(struct omap_mmc_platform_data *pdata)
{
int ret;
if (gpio_is_valid(pdata->slots[0].switch_pin)) {
pdata->suspend = omap_hsmmc_suspend_cdirq;
pdata->resume = omap_hsmmc_resume_cdirq;
if (pdata->slots[0].cover)
pdata->slots[0].get_cover_state =
omap_hsmmc_get_cover_state;
else
pdata->slots[0].card_detect = omap_hsmmc_card_detect;
pdata->slots[0].card_detect_irq =
gpio_to_irq(pdata->slots[0].switch_pin);
ret = gpio_request(pdata->slots[0].switch_pin, "mmc_cd");
if (ret)
return ret;
ret = gpio_direction_input(pdata->slots[0].switch_pin);
if (ret)
goto err_free_sp;
} else
pdata->slots[0].switch_pin = -EINVAL;
if (gpio_is_valid(pdata->slots[0].gpio_wp)) {
pdata->slots[0].get_ro = omap_hsmmc_get_wp;
ret = gpio_request(pdata->slots[0].gpio_wp, "mmc_wp");
if (ret)
goto err_free_cd;
ret = gpio_direction_input(pdata->slots[0].gpio_wp);
if (ret)
goto err_free_wp;
} else
pdata->slots[0].gpio_wp = -EINVAL;
return 0;
err_free_wp:
gpio_free(pdata->slots[0].gpio_wp);
err_free_cd:
if (gpio_is_valid(pdata->slots[0].switch_pin))
err_free_sp:
gpio_free(pdata->slots[0].switch_pin);
return ret;
}
static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata)
{
if (gpio_is_valid(pdata->slots[0].gpio_wp))
gpio_free(pdata->slots[0].gpio_wp);
if (gpio_is_valid(pdata->slots[0].switch_pin))
gpio_free(pdata->slots[0].switch_pin);
}
/*
* Stop clock to the card
*/
@ -2119,7 +2144,7 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
}
}
if (!mmc_slot(host).set_power) {
if (omap_hsmmc_have_reg() && !mmc_slot(host).set_power) {
ret = omap_hsmmc_reg_get(host);
if (ret)
goto err_reg;