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Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/251-ssb-add-gpio_to_irq.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.6/251-ssb-add-gpio_to_irq.patch66
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/251-ssb-add-gpio_to_irq.patch b/target/linux/brcm47xx/patches-3.6/251-ssb-add-gpio_to_irq.patch
new file mode 100644
index 000000000..788d4b1d2
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/251-ssb-add-gpio_to_irq.patch
@@ -0,0 +1,66 @@
+--- a/drivers/ssb/driver_gpio.c
++++ b/drivers/ssb/driver_gpio.c
+@@ -74,6 +74,16 @@ static void ssb_gpio_chipco_free(struct
+ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
+ }
+
++static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio)
++{
++ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
++
++ if (bus->bustype == SSB_BUSTYPE_SSB)
++ return ssb_mips_irq(bus->chipco.dev) + 2;
++ else
++ return -EINVAL;
++}
++
+ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
+ {
+ struct gpio_chip *chip = &bus->gpio;
+@@ -86,6 +96,7 @@ static int ssb_gpio_chipco_init(struct s
+ chip->set = ssb_gpio_chipco_set_value;
+ chip->direction_input = ssb_gpio_chipco_direction_input;
+ chip->direction_output = ssb_gpio_chipco_direction_output;
++ chip->to_irq = ssb_gpio_chipco_to_irq;
+ chip->ngpio = 16;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+@@ -134,6 +145,16 @@ static int ssb_gpio_extif_direction_outp
+ return 0;
+ }
+
++static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio)
++{
++ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
++
++ if (bus->bustype == SSB_BUSTYPE_SSB)
++ return ssb_mips_irq(bus->extif.dev) + 2;
++ else
++ return -EINVAL;
++}
++
+ static int ssb_gpio_extif_init(struct ssb_bus *bus)
+ {
+ struct gpio_chip *chip = &bus->gpio;
+@@ -144,6 +165,7 @@ static int ssb_gpio_extif_init(struct ss
+ chip->set = ssb_gpio_extif_set_value;
+ chip->direction_input = ssb_gpio_extif_direction_input;
+ chip->direction_output = ssb_gpio_extif_direction_output;
++ chip->to_irq = ssb_gpio_extif_to_irq;
+ chip->ngpio = 5;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+--- a/include/linux/ssb/ssb_driver_mips.h
++++ b/include/linux/ssb/ssb_driver_mips.h
+@@ -45,6 +45,11 @@ void ssb_mipscore_init(struct ssb_mipsco
+ {
+ }
+
++static inline unsigned int ssb_mips_irq(struct ssb_device *dev)
++{
++ return 0;
++}
++
+ #endif /* CONFIG_SSB_DRIVER_MIPS */
+
+ #endif /* LINUX_SSB_MIPSCORE_H_ */