dm: omap: gpio: Support driver model
Add driver model support to this driver, while retaining support for the
legacy system. Driver model GPIO support is enabled with CONFIG_DM_GPIO
as usual.
Since gpio_is_valid() no longer exists, we can use the -EINVAL error
returned from gpio_request().
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 5b0c302..ef2cbf9 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -67,14 +67,19 @@
#ifdef OMAP_HSMMC_USE_GPIO
static int omap_mmc_setup_gpio_in(int gpio, const char *label)
{
- if (!gpio_is_valid(gpio))
- return -1;
+ int ret;
- if (gpio_request(gpio, label) < 0)
+#ifndef CONFIG_DM_GPIO
+ if (!gpio_is_valid(gpio))
return -1;
+#endif
+ ret = gpio_request(gpio, label);
+ if (ret)
+ return ret;
- if (gpio_direction_input(gpio) < 0)
- return -1;
+ ret = gpio_direction_input(gpio);
+ if (ret)
+ return ret;
return gpio;
}