From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Tue, 8 Sep 2015 01:01:14 -0300
Subject: Linux-libre 4.2-gnu

---
 drivers/bcma/Kconfig       | 12 ++++++------
 drivers/bcma/driver_gpio.c | 20 +++++++++++---------
 2 files changed, 17 insertions(+), 15 deletions(-)

(limited to 'drivers/bcma')

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)
-- 
cgit v1.2.3-54-g00ecf