We will have the wl1251 defined as a child node of the mmc interface
and can read setup for gpios, interrupts and the ti,use-eeprom
property from there instead of pdata to be provided by pdata-quirks.
Fixes: 81eef6ca9201 ("mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel")
Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
Acked-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ti/wl1251/sdio.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c
index 677f1146ccf0..c54a273713ed 100644
--- a/drivers/net/wireless/ti/wl1251/sdio.c
+++ b/drivers/net/wireless/ti/wl1251/sdio.c
@@ -16,6 +16,9 @@
#include <linux/irq.h>
#include <linux/pm_runtime.h>
#include <linux/gpio.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
#include "wl1251.h"
@@ -217,6 +220,7 @@ static int wl1251_sdio_probe(struct sdio_func *func,
struct ieee80211_hw *hw;
struct wl1251_sdio *wl_sdio;
const struct wl1251_platform_data *wl1251_board_data;
+ struct device_node *np = func->dev.of_node;
hw = wl1251_alloc_hw();
if (IS_ERR(hw))
@@ -248,6 +252,15 @@ static int wl1251_sdio_probe(struct sdio_func *func,
wl->power_gpio = wl1251_board_data->power_gpio;
wl->irq = wl1251_board_data->irq;
wl->use_eeprom = wl1251_board_data->use_eeprom;
+ } else if (np) {
+ wl->use_eeprom =of_property_read_bool(np, "ti,wl1251-has-eeprom");
+ wl->power_gpio = of_get_named_gpio(np, "ti,power-gpio", 0);
+ wl->irq = of_irq_get(np, 0);
+
+ if (wl->power_gpio == -EPROBE_DEFER || wl->irq == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto disable;
+ }
}
if (gpio_is_valid(wl->power_gpio)) {
--
2.19.1
