[ARM] 2836/1: Cleanup IXP4xx GPIO code

Patch from Deepak Saxena

This patch implements the set_irq_type() hooks for configuring GPIO
IRQ type and updates all the platforms to use it instead of the
gpio_line_config() function which is now used to configure input
vs. output on the pins.

Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 4 insertions, 8 deletions

diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c
index c2ab9ebb5980..f9a1d3e7d692 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
@@ -27,14 +27,10 @@
 
 void __init ixdp425_pci_preinit(void)
 {
-        gpio_line_config(IXDP425_PCI_INTA_PIN,
-                                IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
-        gpio_line_config(IXDP425_PCI_INTB_PIN, 
-                                IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
-        gpio_line_config(IXDP425_PCI_INTC_PIN, 
-                                IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
-        gpio_line_config(IXDP425_PCI_INTD_PIN, 
-                                IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+        set_irq_type(IRQ_IXDP425_PCI_INTA, IRQT_LOW);
+        set_irq_type(IRQ_IXDP425_PCI_INTB, IRQT_LOW);
+        set_irq_type(IRQ_IXDP425_PCI_INTC, IRQT_LOW);
+        set_irq_type(IRQ_IXDP425_PCI_INTD, IRQT_LOW);
 
         gpio_line_isr_clear(IXDP425_PCI_INTA_PIN);
         gpio_line_isr_clear(IXDP425_PCI_INTB_PIN);