[PATCH 14/14] 85xx: separate cpm2 pic init
Dmitry Eremin-Solenikov
dbaryshkov at gmail.com
Tue Jul 19 18:53:51 EST 2011
Separate handling of CPM2 PIC initialization to mpc85xx_cpm2_pic_init()
function.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>
---
arch/powerpc/platforms/85xx/ksi8560.c | 28 +------------------
arch/powerpc/platforms/85xx/mpc85xx.h | 7 ++++
arch/powerpc/platforms/85xx/mpc85xx_ads.c | 32 +--------------------
arch/powerpc/platforms/85xx/mpc85xx_common.c | 39 ++++++++++++++++++++++++++
arch/powerpc/platforms/85xx/sbc8560.c | 32 +--------------------
arch/powerpc/platforms/85xx/tqm85xx.c | 35 +----------------------
6 files changed, 50 insertions(+), 123 deletions(-)
diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c
index 7657e1a..0f3e688 100644
--- a/arch/powerpc/platforms/85xx/ksi8560.c
+++ b/arch/powerpc/platforms/85xx/ksi8560.c
@@ -55,25 +55,11 @@ static void machine_restart(char *cmd)
for (;;);
}
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
static void __init ksi8560_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
np = of_find_node_by_type(NULL, "open-pic");
@@ -96,19 +82,7 @@ static void __init ksi8560_pic_init(void)
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
#ifdef CONFIG_CPM2
diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h
index 1a1b4eb..2aa7c5d 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx.h
+++ b/arch/powerpc/platforms/85xx/mpc85xx.h
@@ -1,4 +1,11 @@
#ifndef MPC85xx_H
#define MPC85xx_H
extern int mpc85xx_common_publish_devices(void);
+
+#ifdef CONFIG_CPM2
+extern void mpc85xx_cpm2_pic_init(void);
+#else
+static inline void __init mpc85xx_cpm2_pic_init(void) {}
+#endif /* CONFIG_CPM2 */
+
#endif
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 3bc2acc..0e90422 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -48,29 +48,11 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
}
#endif /* CONFIG_PCI */
-#ifdef CONFIG_CPM2
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* CONFIG_CPM2 */
-
static void __init mpc85xx_ads_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np = NULL;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
np = of_find_node_by_type(np, "open-pic");
if (!np) {
@@ -92,19 +74,7 @@ static void __init mpc85xx_ads_pic_init(void)
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_common.c b/arch/powerpc/platforms/85xx/mpc85xx_common.c
index 999567a..4fdf382 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_common.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_common.c
@@ -8,6 +8,8 @@
#include <linux/kernel.h>
#include <linux/of_platform.h>
+#include <sysdev/cpm2_pic.h>
+
#include "mpc85xx.h"
static struct of_device_id __initdata mpc85xx_common_ids[] = {
@@ -24,3 +26,40 @@ int __init mpc85xx_common_publish_devices(void)
{
return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
}
+
+#ifdef CONFIG_CPM2
+static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
+{
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ int cascade_irq;
+
+ while ((cascade_irq = cpm2_get_irq()) >= 0)
+ generic_handle_irq(cascade_irq);
+
+ chip->irq_eoi(&desc->irq_data);
+}
+
+
+void __init mpc85xx_cpm2_pic_init(void)
+{
+ struct device_node *np;
+ int irq;
+
+ /* Setup CPM2 PIC */
+ np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
+ if (np == NULL) {
+ printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
+ return;
+ }
+ irq = irq_of_parse_and_map(np, 0);
+ if (irq == NO_IRQ) {
+ of_node_put(np);
+ printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
+ return;
+ }
+
+ cpm2_pic_init(np);
+ of_node_put(np);
+ irq_set_chained_handler(irq, cpm2_cascade);
+}
+#endif
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index bbb656f..f3b4737 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -39,29 +39,11 @@
#include "mpc85xx.h"
-#ifdef CONFIG_CPM2
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* CONFIG_CPM2 */
-
static void __init sbc8560_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np = NULL;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
np = of_find_node_by_type(np, "open-pic");
if (!np) {
@@ -83,19 +65,7 @@ static void __init sbc8560_pic_init(void)
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index 19e711f..2418bf8 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -42,18 +42,6 @@
#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
-#include <sysdev/cpm2_pic.h>
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
#endif /* CONFIG_CPM2 */
static void __init tqm85xx_pic_init(void)
@@ -61,9 +49,6 @@ static void __init tqm85xx_pic_init(void)
struct mpic *mpic;
struct resource r;
struct device_node *np;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
np = of_find_node_by_type(NULL, "open-pic");
if (!np) {
@@ -85,25 +70,7 @@ static void __init tqm85xx_pic_init(void)
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- if (irq == NO_IRQ) {
- of_node_put(np);
- printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
- return;
- }
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
--
1.7.2.5
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