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ARM: imx5: tzic_init_irq() can directly be .init_irq hook

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After i.MX51 supports DT only, tzic_init_irq() can figure out the
tzic_base on its own.  Thus, it can directly be .init_irq hook, and
mx51[53]_init_irq() can be saved.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Shawn Guo 2014-05-19 20:19:06 +08:00
parent b674cf2fb5
commit fffa051281
6 changed files with 10 additions and 26 deletions
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4
arch/arm/mach-imx/common.h
View File

@ -37,15 +37,13 @@ void imx35_init_early(void);
void imx51_init_early(void);
void imx53_init_early(void);
void mxc_init_irq(void __iomem *);
void tzic_init_irq(void __iomem *);
void tzic_init_irq(void);
void mx1_init_irq(void);
void mx21_init_irq(void);
void mx25_init_irq(void);
void mx27_init_irq(void);
void mx31_init_irq(void);
void mx35_init_irq(void);
void mx51_init_irq(void);
void mx53_init_irq(void);
void imx1_soc_init(void);
void imx21_soc_init(void);
void imx25_soc_init(void);

2
arch/arm/mach-imx/mach-imx50.c
View File

@ -30,7 +30,7 @@ static const char *imx50_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX50_DT, "Freescale i.MX50 (Device Tree Support)")
.map_io = mx53_map_io,
.init_irq = mx53_init_irq,
.init_irq = tzic_init_irq,
.init_machine = imx50_dt_init,
.dt_compat = imx50_dt_board_compat,
.restart = mxc_restart,

2
arch/arm/mach-imx/mach-imx51.c
View File

@ -37,7 +37,7 @@ static const char *imx51_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)")
.map_io = mx51_map_io,
.init_early = imx51_init_early,
.init_irq = mx51_init_irq,
.init_irq = tzic_init_irq,
.init_machine = imx51_dt_init,
.init_late = imx51_init_late,
.dt_compat = imx51_dt_board_compat,

2
arch/arm/mach-imx/mach-imx53.c
View File

@ -39,7 +39,7 @@ static const char *imx53_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)")
.map_io = mx53_map_io,
.init_early = imx53_init_early,
.init_irq = mx53_init_irq,
.init_irq = tzic_init_irq,
.init_machine = imx53_dt_init,
.init_late = imx53_init_late,
.dt_compat = imx53_dt_board_compat,

17
arch/arm/mach-imx/mm-imx5.c
View File

@ -93,23 +93,6 @@ void __init imx53_init_early(void)
imx_src_init();
}
void __init mx51_init_irq(void)
{
tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
}
void __init mx53_init_irq(void)
{
struct device_node *np;
void __iomem *base;
np = of_find_compatible_node(NULL, NULL, "fsl,imx53-tzic");
base = of_iomap(np, 0);
WARN_ON(!base);
tzic_init_irq(base);
}
static struct sdma_platform_data imx51_sdma_pdata __initdata = {
.fw_name = "sdma-imx51.bin",
};

9
arch/arm/mach-imx/tzic.c
View File

@ -17,6 +17,7 @@
#include <linux/io.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <asm/mach/irq.h>
#include <asm/exception.h>
@ -153,13 +154,16 @@ static void __exception_irq_entry tzic_handle_irq(struct pt_regs *regs)
* interrupts. It registers the interrupt enable and disable functions
* to the kernel for each interrupt source.
*/
void __init tzic_init_irq(void __iomem *irqbase)
void __init tzic_init_irq(void)
{
struct device_node *np;
int irq_base;
int i;
tzic_base = irqbase;
np = of_find_compatible_node(NULL, NULL, "fsl,tzic");
tzic_base = of_iomap(np, 0);
WARN_ON(!tzic_base);
/* put the TZIC into the reset value with
* all interrupts disabled
*/
@ -181,7 +185,6 @@ void __init tzic_init_irq(void __iomem *irqbase)
irq_base = irq_alloc_descs(-1, 0, TZIC_NUM_IRQS, numa_node_id());
WARN_ON(irq_base < 0);
np = of_find_compatible_node(NULL, NULL, "fsl,tzic");
domain = irq_domain_add_legacy(np, TZIC_NUM_IRQS, irq_base, 0,
&irq_domain_simple_ops, NULL);
WARN_ON(!domain);