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authorRafał Miłecki <zajec5@gmail.com>2015-05-09 17:38:48 +0000
committerRafał Miłecki <zajec5@gmail.com>2015-05-09 17:38:48 +0000
commit8b3aa19010b00466c946f1f6d3807d5d03327257 (patch)
tree2706fc7e8c1723f6d5c23973ff0780b8b5f8d1ea /target/linux/generic
parentd123ad1b881e92e4f66ec3226a63744ad1b0e736 (diff)
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kernel: backport first bcma patches from 4.2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45652 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic')
-rw-r--r--target/linux/generic/patches-3.18/028-bcma-from-4.2.patch37
-rw-r--r--target/linux/generic/patches-4.0/022-bcma-from-4.2.patch37
2 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/028-bcma-from-4.2.patch b/target/linux/generic/patches-3.18/028-bcma-from-4.2.patch
new file mode 100644
index 0000000000..1a9f472a4a
--- /dev/null
+++ b/target/linux/generic/patches-3.18/028-bcma-from-4.2.patch
@@ -0,0 +1,37 @@
+--- a/drivers/bcma/driver_gpio.c
++++ b/drivers/bcma/driver_gpio.c
+@@ -226,6 +226,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ chip->of_node = cc->core->dev.of_node;
+ #endif
+ switch (bus->chipinfo.id) {
++ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM53572:
+ chip->ngpio = 32;
+@@ -235,16 +236,17 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ }
+
+ /*
+- * On MIPS we register GPIO devices (LEDs, buttons) using absolute GPIO
+- * pin numbers. We don't have Device Tree there and we can't really use
+- * relative (per chip) numbers.
+- * So let's use predictable base for BCM47XX and "random" for all other.
++ * Register SoC GPIO devices with absolute GPIO pin base.
++ * On MIPS, we don't have Device Tree and we can't use relative (per chip)
++ * GPIO numbers.
++ * On some ARM devices, user space may want to access some system GPIO
++ * pins directly, which is easier to do with a predictable GPIO base.
+ */
+-#if IS_BUILTIN(CONFIG_BCM47XX)
+- chip->base = bus->num * BCMA_GPIO_MAX_PINS;
+-#else
+- chip->base = -1;
+-#endif
++ if (IS_BUILTIN(CONFIG_BCM47XX) ||
++ cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
++ chip->base = bus->num * BCMA_GPIO_MAX_PINS;
++ else
++ chip->base = -1;
+
+ err = bcma_gpio_irq_domain_init(cc);
+ if (err)
diff --git a/target/linux/generic/patches-4.0/022-bcma-from-4.2.patch b/target/linux/generic/patches-4.0/022-bcma-from-4.2.patch
new file mode 100644
index 0000000000..1a9f472a4a
--- /dev/null
+++ b/target/linux/generic/patches-4.0/022-bcma-from-4.2.patch
@@ -0,0 +1,37 @@
+--- a/drivers/bcma/driver_gpio.c
++++ b/drivers/bcma/driver_gpio.c
+@@ -226,6 +226,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ chip->of_node = cc->core->dev.of_node;
+ #endif
+ switch (bus->chipinfo.id) {
++ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM53572:
+ chip->ngpio = 32;
+@@ -235,16 +236,17 @@ int bcma_gpio_init(struct bcma_drv_cc *c
+ }
+
+ /*
+- * On MIPS we register GPIO devices (LEDs, buttons) using absolute GPIO
+- * pin numbers. We don't have Device Tree there and we can't really use
+- * relative (per chip) numbers.
+- * So let's use predictable base for BCM47XX and "random" for all other.
++ * Register SoC GPIO devices with absolute GPIO pin base.
++ * On MIPS, we don't have Device Tree and we can't use relative (per chip)
++ * GPIO numbers.
++ * On some ARM devices, user space may want to access some system GPIO
++ * pins directly, which is easier to do with a predictable GPIO base.
+ */
+-#if IS_BUILTIN(CONFIG_BCM47XX)
+- chip->base = bus->num * BCMA_GPIO_MAX_PINS;
+-#else
+- chip->base = -1;
+-#endif
++ if (IS_BUILTIN(CONFIG_BCM47XX) ||
++ cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
++ chip->base = bus->num * BCMA_GPIO_MAX_PINS;
++ else
++ chip->base = -1;
+
+ err = bcma_gpio_irq_domain_init(cc);
+ if (err)