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-rw-r--r--arch/powerpc/platforms/8xx/adder875.c3
-rw-r--r--arch/powerpc/platforms/8xx/ep88xc.c3
-rw-r--r--arch/powerpc/platforms/8xx/m8xx_setup.c14
-rw-r--r--arch/powerpc/platforms/8xx/mpc86xads_setup.c3
-rw-r--r--arch/powerpc/platforms/8xx/mpc885ads_setup.c3
-rw-r--r--arch/powerpc/platforms/8xx/mpc8xx.h1
-rw-r--r--arch/powerpc/platforms/8xx/pic.c15
-rw-r--r--arch/powerpc/platforms/8xx/pic.h2
-rw-r--r--arch/powerpc/platforms/8xx/tqm8xx_setup.c3
9 files changed, 15 insertions, 32 deletions
diff --git a/arch/powerpc/platforms/8xx/adder875.c b/arch/powerpc/platforms/8xx/adder875.c
index 1e337935a21e..10e6e4fe77fc 100644
--- a/arch/powerpc/platforms/8xx/adder875.c
+++ b/arch/powerpc/platforms/8xx/adder875.c
@@ -17,6 +17,7 @@
#include <asm/udbg.h>
#include "mpc8xx.h"
+#include "pic.h"
struct cpm_pin {
int port, pin, flags;
@@ -103,7 +104,7 @@ define_machine(adder875) {
.name = "Adder MPC875",
.probe = adder875_probe,
.setup_arch = adder875_setup,
- .init_IRQ = mpc8xx_pics_init,
+ .init_IRQ = mpc8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c
index ebcf34a14789..b3b22520b435 100644
--- a/arch/powerpc/platforms/8xx/ep88xc.c
+++ b/arch/powerpc/platforms/8xx/ep88xc.c
@@ -20,6 +20,7 @@
#include <asm/cpm1.h>
#include "mpc8xx.h"
+#include "pic.h"
struct cpm_pin {
int port, pin, flags;
@@ -166,7 +167,7 @@ define_machine(ep88xc) {
.name = "Embedded Planet EP88xC",
.probe = ep88xc_probe,
.setup_arch = ep88xc_setup_arch,
- .init_IRQ = mpc8xx_pics_init,
+ .init_IRQ = mpc8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c
index 14268f3aecc4..24f358f86d16 100644
--- a/arch/powerpc/platforms/8xx/m8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/m8xx_setup.c
@@ -205,17 +205,3 @@ void __noreturn mpc8xx_restart(char *cmd)
in_8(&clk_r->res[0]);
panic("Restart failed\n");
}
-
-/* Initialize the internal interrupt controllers. The number of
- * interrupts supported can vary with the processor type, and the
- * 82xx family can have up to 64.
- * External interrupts can be either edge or level triggered, and
- * need to be initialized by the appropriate driver.
- */
-void __init mpc8xx_pics_init(void)
-{
- if (mpc8xx_pic_init()) {
- printk(KERN_ERR "Failed interrupt 8xx controller initialization\n");
- return;
- }
-}
diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
index 8d02f5ff4481..03267e4a44a9 100644
--- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c
@@ -29,6 +29,7 @@
#include "mpc86xads.h"
#include "mpc8xx.h"
+#include "pic.h"
struct cpm_pin {
int port, pin, flags;
@@ -140,7 +141,7 @@ define_machine(mpc86x_ads) {
.name = "MPC86x ADS",
.probe = mpc86xads_probe,
.setup_arch = mpc86xads_setup_arch,
- .init_IRQ = mpc8xx_pics_init,
+ .init_IRQ = mpc8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index a0c83c1905c6..b1e39f96de00 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -42,6 +42,7 @@
#include "mpc885ads.h"
#include "mpc8xx.h"
+#include "pic.h"
static u32 __iomem *bcsr, *bcsr5;
@@ -216,7 +217,7 @@ define_machine(mpc885_ads) {
.name = "Freescale MPC885 ADS",
.probe = mpc885ads_probe,
.setup_arch = mpc885ads_setup_arch,
- .init_IRQ = mpc8xx_pics_init,
+ .init_IRQ = mpc8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
diff --git a/arch/powerpc/platforms/8xx/mpc8xx.h b/arch/powerpc/platforms/8xx/mpc8xx.h
index 31cc2ecace42..79fae3324866 100644
--- a/arch/powerpc/platforms/8xx/mpc8xx.h
+++ b/arch/powerpc/platforms/8xx/mpc8xx.h
@@ -15,7 +15,6 @@ extern void __noreturn mpc8xx_restart(char *cmd);
extern void mpc8xx_calibrate_decr(void);
extern int mpc8xx_set_rtc_time(struct rtc_time *tm);
extern void mpc8xx_get_rtc_time(struct rtc_time *tm);
-extern void mpc8xx_pics_init(void);
extern unsigned int mpc8xx_get_irq(void);
#endif /* __MPC8xx_H */
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index 1485b20dd37a..ea6b0e523c60 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -124,7 +124,7 @@ static const struct irq_domain_ops mpc8xx_pic_host_ops = {
.xlate = mpc8xx_pic_host_xlate,
};
-int __init mpc8xx_pic_init(void)
+void __init mpc8xx_pic_init(void)
{
struct resource res;
struct device_node *np;
@@ -135,7 +135,7 @@ int __init mpc8xx_pic_init(void)
np = of_find_node_by_type(NULL, "mpc8xx-pic");
if (np == NULL) {
printk(KERN_ERR "Could not find fsl,pq1-pic node\n");
- return -ENOMEM;
+ return;
}
ret = of_address_to_resource(np, 0, &res);
@@ -143,20 +143,13 @@ int __init mpc8xx_pic_init(void)
goto out;
siu_reg = ioremap(res.start, resource_size(&res));
- if (siu_reg == NULL) {
- ret = -EINVAL;
+ if (!siu_reg)
goto out;
- }
mpc8xx_pic_host = irq_domain_add_linear(np, 64, &mpc8xx_pic_host_ops, NULL);
- if (mpc8xx_pic_host == NULL) {
+ if (!mpc8xx_pic_host)
printk(KERN_ERR "MPC8xx PIC: failed to allocate irq host!\n");
- ret = -ENOMEM;
- goto out;
- }
- ret = 0;
out:
of_node_put(np);
- return ret;
}
diff --git a/arch/powerpc/platforms/8xx/pic.h b/arch/powerpc/platforms/8xx/pic.h
index 9fe00eebdc8b..c70f1b446f94 100644
--- a/arch/powerpc/platforms/8xx/pic.h
+++ b/arch/powerpc/platforms/8xx/pic.h
@@ -4,7 +4,7 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
-int mpc8xx_pic_init(void);
+void mpc8xx_pic_init(void);
unsigned int mpc8xx_get_irq(void);
/*
diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
index 4cea8b1afa44..3725d51248df 100644
--- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c
+++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c
@@ -43,6 +43,7 @@
#include <asm/udbg.h>
#include "mpc8xx.h"
+#include "pic.h"
struct cpm_pin {
int port, pin, flags;
@@ -142,7 +143,7 @@ define_machine(tqm8xx) {
.name = "TQM8xx",
.probe = tqm8xx_probe,
.setup_arch = tqm8xx_setup_arch,
- .init_IRQ = mpc8xx_pics_init,
+ .init_IRQ = mpc8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.