[PATCH 1/6] omap1: Fix innovator FPGA init for multi-omap
Tony Lindgren
tony at atomide.com
Fri Dec 17 22:05:18 EST 2010
No need to call this early from init_irq. Also recent changes
initialize GPIO now later, so calling gpio_request from init_irq
will make it fail.
While at it, also remove the unnecessary EXPORT_SYMBOL.
Signed-off-by: Tony Lindgren <tony at atomide.com>
---
arch/arm/mach-omap1/board-innovator.c | 7 ++-----
arch/arm/mach-omap1/fpga.c | 10 ++++++----
arch/arm/plat-omap/include/plat/fpga.h | 4 ----
3 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index a051acd..8d59b07 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -290,11 +290,6 @@ static void __init innovator_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
-#ifdef CONFIG_ARCH_OMAP15XX
- if (cpu_is_omap1510()) {
- omap1510_fpga_init_irq();
- }
-#endif
}
#ifdef CONFIG_ARCH_OMAP15XX
@@ -385,6 +380,8 @@ static struct omap_board_config_kernel innovator_config[] = {
static void __init innovator_init(void)
{
+ if (cpu_is_omap1510())
+ omap1510_fpga_init_irq();
innovator_init_smc91x();
#ifdef CONFIG_ARCH_OMAP15XX
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 5cfce16..8780e75 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -143,7 +143,7 @@ static struct irq_chip omap_fpga_irq = {
*/
void omap1510_fpga_init_irq(void)
{
- int i;
+ int i, res;
__raw_writeb(0, OMAP1510_FPGA_IMR_LO);
__raw_writeb(0, OMAP1510_FPGA_IMR_HI);
@@ -177,10 +177,12 @@ void omap1510_fpga_init_irq(void)
* NOTE: For general GPIO/MPUIO access and interrupts, please see
* gpio.[ch]
*/
- gpio_request(13, "FPGA irq");
+ res = gpio_request(13, "FPGA irq");
+ if (res) {
+ pr_err("%s failed to get gpio\n", __func__);
+ return;
+ }
gpio_direction_input(13);
set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
set_irq_chained_handler(OMAP1510_INT_FPGA, innovator_fpga_IRQ_demux);
}
-
-EXPORT_SYMBOL(omap1510_fpga_init_irq);
diff --git a/arch/arm/plat-omap/include/plat/fpga.h b/arch/arm/plat-omap/include/plat/fpga.h
index f1864a6..ae39bcb 100644
--- a/arch/arm/plat-omap/include/plat/fpga.h
+++ b/arch/arm/plat-omap/include/plat/fpga.h
@@ -19,11 +19,7 @@
#ifndef __ASM_ARCH_OMAP_FPGA_H
#define __ASM_ARCH_OMAP_FPGA_H
-#if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX)
extern void omap1510_fpga_init_irq(void);
-#else
-#define omap1510_fpga_init_irq() (0)
-#endif
#define fpga_read(reg) __raw_readb(reg)
#define fpga_write(val, reg) __raw_writeb(val, reg)
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