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authorTony Lindgren <tony@atomide.com>2013-11-19 03:22:50 +0400
committerTony Lindgren <tony@atomide.com>2013-11-19 03:33:16 +0400
commitfd3a5d5b8386c9a29116e048b5e4ee86545ba012 (patch)
tree55f4d1afff917165589c7102e11643e3eb24aed2 /drivers/gpio/gpio-twl4030.c
parent0b2aa8bed3e13892fcac77e4f50ec6e80125469d (diff)
downloadlinux-fd3a5d5b8386c9a29116e048b5e4ee86545ba012.tar.xz
gpio: twl4030: Fix passing of pdata in the device tree case
We still have some legacy code needing the callback functions that won't work properly without platform data. To use platform data for twl4030-gpio, we need to not trash the possible data. Cc: linux-gpio@vger.kernel.org Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> [tony@atomide.com: folded in fix from Fengguang to use struct assignment] Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/gpio/gpio-twl4030.c')
-rw-r--r--drivers/gpio/gpio-twl4030.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 5738d5a7d849..b97d6a6577b9 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -436,7 +436,8 @@ static int gpio_twl4030_debounce(u32 debounce, u8 mmc_cd)
static int gpio_twl4030_remove(struct platform_device *pdev);
-static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev)
+static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev,
+ struct twl4030_gpio_platform_data *pdata)
{
struct twl4030_gpio_platform_data *omap_twl_info;
@@ -444,6 +445,9 @@ static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev)
if (!omap_twl_info)
return NULL;
+ if (pdata)
+ *omap_twl_info = *pdata;
+
omap_twl_info->use_leds = of_property_read_bool(dev->of_node,
"ti,use-leds");
@@ -501,7 +505,7 @@ no_irqs:
mutex_init(&priv->mutex);
if (node)
- pdata = of_gpio_twl4030(&pdev->dev);
+ pdata = of_gpio_twl4030(&pdev->dev, pdata);
if (pdata == NULL) {
dev_err(&pdev->dev, "Platform data is missing\n");