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authorAdrian Hunter <adrian.hunter@nokia.com>2010-02-15 10:03:35 -0800
committerTony Lindgren <tony@atomide.com>2010-02-15 10:03:35 -0800
commitb702b1060ab1c29ac08b904a0c188c61cda880eb (patch)
treea7d18e224acae6fd13d84b72853d94848e04615f /drivers/mmc
parente0eb2424469ec2333885672d3db8bd07d322455d (diff)
downloadlinux-b702b1060ab1c29ac08b904a0c188c61cda880eb.tar.bz2
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c133
1 files changed, 79 insertions, 54 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index af374771bed0..83f0affadcae 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -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;