ar71xx: add a common function to configure USB power GPIOs

SVN-Revision: 32454

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c
index 45dc0f618c85532c1019284e11a93729b1734756..f8870e711ce0ac1d385626a9567069523f05e9b2 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c
@@ -101,8 +101,8 @@ static void __init hornet_ub_gpio_setup(void)
        t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
        ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
 
-       gpio_request(HORNET_UB_GPIO_USB_POWER, "USB power");
-       gpio_direction_output(HORNET_UB_GPIO_USB_POWER, 1);
+       ath79_set_usb_power_gpio(HORNET_UB_GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
+                               "USB power");
 }
 
 static void __init hornet_ub_setup(void)

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr11u.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr11u.c
index 4acb47942ccbe9275aa3d6bb1cb469d99cbb8ebb..87facff7f71c36bd1aa430de9a0205071ee3e491 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr11u.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr11u.c
@@ -93,8 +93,8 @@ static void __init tl_mr11u_setup(void)
                                        ARRAY_SIZE(tl_mr11u_gpio_keys),
                                        tl_mr11u_gpio_keys);
 
-       gpio_request(TL_MR11U_GPIO_USB_POWER, "USB power");
-       gpio_direction_output(TL_MR11U_GPIO_USB_POWER, 1);
+       ath79_set_usb_power_gpio(TL_MR11U_GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
+                               "USB power");
        ath79_register_usb();
 
        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3020.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3020.c
index 176ad9790dae2f801a052ee9f71a5586f184ce65..8f37d7a877cc3d1d3f2e3d4a2d9d72575e0a5564 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3020.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3020.c
@@ -109,8 +109,8 @@ static void __init tl_mr3020_setup(void)
                                        ARRAY_SIZE(tl_mr3020_gpio_keys),
                                        tl_mr3020_gpio_keys);
 
-       gpio_request(TL_MR3020_GPIO_USB_POWER, "USB power");
-       gpio_direction_output(TL_MR3020_GPIO_USB_POWER, 1);
+       ath79_set_usb_power_gpio(TL_MR3020_GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
+                               "USB power");
        ath79_register_usb();
 
        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3x20.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3x20.c
index 35515a9b4b36e0216192a959e3e5b56a5cafc882..b35f09f8a4393929249e094dbe217400706ae693 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3x20.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3x20.c
@@ -102,9 +102,8 @@ static void __init tl_ap99_setup(void)
 static void __init tl_mr3x20_usb_setup(void)
 {
        /* enable power for the USB port */
-       gpio_request(TL_MR3X20_GPIO_USB_POWER, "USB power");
-       gpio_direction_output(TL_MR3X20_GPIO_USB_POWER, 1);
-
+       ath79_set_usb_power_gpio(TL_MR3X20_GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
+                               "USB power");
        ath79_register_usb();
 }
 

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr703n.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr703n.c
index c61a16c99b9e47660cf04f663e32a27d5445f7b5..f60f9624551f2027e0faf1f1886b0c2c625fb9b6 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr703n.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr703n.c
@@ -69,8 +69,8 @@ static void __init tl_wr703n_setup(void)
                                        ARRAY_SIZE(tl_wr703n_gpio_keys),
                                        tl_wr703n_gpio_keys);
 
-       gpio_request(TL_WR703N_GPIO_USB_POWER, "USB power");
-       gpio_direction_output(TL_WR703N_GPIO_USB_POWER, 1);
+       ath79_set_usb_power_gpio(TL_WR703N_GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
+                               "USB power");
        ath79_register_usb();
 
        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-ag300h.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-ag300h.c
index 1223e842d82e07080342ac7726bdbd4fc4736c8f..5941d5ca92136fc6ff730ae46ad9a4ce57ee09ef 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-ag300h.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-ag300h.c
@@ -137,9 +137,8 @@ static void __init wzrhpag300h_setup(void)
        ath79_register_eth(0);
        ath79_register_eth(1);
 
+       ath79_set_usb_power_gpio(2, GPIOF_OUT_INIT_HIGH, "USB power");
        ath79_register_usb();
-       gpio_request(2, "usb");
-       gpio_direction_output(2, 1);
 
        ath79_register_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
                                        wzrhpag300h_leds_gpio);

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g300nh2.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g300nh2.c
index 6ccafcb49d76ced960df31c7a0b6efa17b9bd7e1..6c850cee5c2afa8f06de8e8f456ae01c4d332e0a 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g300nh2.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g300nh2.c
@@ -156,10 +156,10 @@ static void __init wzrhpg300nh2_setup(void)
        ath79_eth0_data.phy_mask = BIT(0);
 
        ath79_register_eth(0);
-       ath79_register_usb();
+
        /* gpio13 is usb power.  Turn it on. */
-       gpio_request(13, "usb");
-       gpio_direction_output(13, 1);
+       ath79_set_usb_power_gpio(13, GPIOF_OUT_INIT_HIGH, "USB power");
+       ath79_register_usb();
 
        ath79_register_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh2_leds_gpio),
                                 wzrhpg300nh2_leds_gpio);

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g450h.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g450h.c
index f6061455730b034f2848b5f8f7d1e3a8e4e802c1..b5292db54a5f408686dec1223730f72442611c60 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g450h.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wzr-hp-g450h.c
@@ -10,7 +10,7 @@
  *  by the Free Software Foundation.
  */
 
-#include <asm/mach-ath79/gpio.h>
+#include <linux/gpio.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
@@ -156,9 +156,8 @@ static void __init wzrhpg450h_init(void)
 
        ath79_register_eth(0);
 
+       ath79_set_usb_power_gpio(16, GPIOF_OUT_INIT_HIGH, "USB power");
        ath79_register_usb();
-       gpio_request(16, "usb");
-       gpio_direction_output(16, 1);
 
        ap91_pci_init(ee, NULL);
        ap9x_pci_setup_wmac_led_pin(0, 15);

diff --git a/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch b/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch
new file mode 100644 (file)
index 0000000..fa81789
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.3/511-MIPS-ath79-add-ath79_set_usb_power_gpio.patch
@@ -0,0 +1,47 @@
+--- a/arch/mips/ath79/dev-usb.c
++++ b/arch/mips/ath79/dev-usb.c
+@@ -15,6 +15,7 @@
+ #include <linux/init.h>
+ #include <linux/delay.h>
+ #include <linux/irq.h>
++#include <linux/gpio.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/platform_device.h>
+ #include <linux/usb/ehci_pdriver.h>
+@@ -236,3 +237,26 @@ void __init ath79_register_usb(void)
+       else
+               BUG();
+ }
++
++void __init ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++                                   const char *label)
++{
++      int err;
++
++      err = gpio_request_one(gpio, flags, label);
++      if (err) {
++              pr_err("ath79: can't setup GPIO%u (%s), err=%d\n",
++                      gpio, label, err);
++              return;
++      }
++
++      err = gpio_export(gpio, false);
++      if (err) {
++              pr_err("ath79: can't export GPIO%u (%s), err=%d\n",
++                      gpio, label, err);
++      }
++
++      return;
++}
++
++
+--- a/arch/mips/ath79/dev-usb.h
++++ b/arch/mips/ath79/dev-usb.h
+@@ -13,5 +13,7 @@
+ #define _ATH79_DEV_USB_H
+ 
+ void ath79_register_usb(void);
++void ath79_set_usb_power_gpio(unsigned int gpio, unsigned long flags,
++                            const char *label);
+ 
+ #endif /* _ATH79_DEV_USB_H */