[ARM] pxa/em-x270: update libertas device setup
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index e2f9834..65e8dba 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -684,26 +684,52 @@
if (err)
return err;
+ err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
+ if (err)
+ goto err_free_pwen;
+
+ if (machine_is_exeda()) {
+ err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
+ if (err)
+ goto err_free_strap;
+
+ gpio_direction_output(GPIO37_WLAN_RST, 1);
+ msleep(100);
+ }
+
gpio_direction_output(GPIO19_WLAN_STRAP, 1);
- mdelay(100);
+ msleep(100);
pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
gpio_direction_output(GPIO115_WLAN_PWEN, 0);
- mdelay(100);
+ msleep(100);
gpio_set_value(GPIO115_WLAN_PWEN, 1);
- mdelay(100);
+ msleep(100);
spi->bits_per_word = 16;
spi_setup(spi);
return 0;
+
+err_free_strap:
+ gpio_free(GPIO19_WLAN_STRAP);
+err_free_pwen:
+ gpio_free(GPIO115_WLAN_PWEN);
+
+ return err;
}
static int em_x270_libertas_teardown(struct spi_device *spi)
{
gpio_set_value(GPIO115_WLAN_PWEN, 0);
gpio_free(GPIO115_WLAN_PWEN);
+ gpio_free(GPIO19_WLAN_STRAP);
+
+ if (machine_is_exeda()) {
+ gpio_set_value(GPIO37_WLAN_RST, 0);
+ gpio_free(GPIO37_WLAN_RST);
+ }
return 0;
}