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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/bcma
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/bcma')
-rw-r--r--drivers/bcma/Kconfig12
-rw-r--r--drivers/bcma/driver_gpio.c20
2 files changed, 17 insertions, 15 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index fc6ffcfa8..be5fffb6d 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -29,12 +29,6 @@ config BCMA_HOST_PCI
select BCMA_DRIVER_PCI
default y
-config BCMA_DRIVER_PCI_HOSTMODE
- bool "Driver for PCI core working in hostmode"
- depends on BCMA && MIPS && BCMA_HOST_PCI
- help
- PCI core hostmode operation (external PCI bus).
-
config BCMA_HOST_SOC
bool "Support for BCMA in a SoC"
depends on BCMA
@@ -61,6 +55,12 @@ config BCMA_DRIVER_PCI
This driver is also prerequisite for a hostmode PCIe core
support.
+config BCMA_DRIVER_PCI_HOSTMODE
+ bool "Driver for PCI core working in hostmode"
+ depends on BCMA && MIPS && BCMA_DRIVER_PCI
+ help
+ PCI core hostmode operation (external PCI bus).
+
config BCMA_DRIVER_MIPS
bool "BCMA Broadcom MIPS core driver"
depends on BCMA && MIPS
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index 74ccb02e0..5f6018e7c 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -226,6 +226,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
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 *cc)
}
/*
- * 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)