MIPS: lantiq: Use CP0_LEGACY_COMPARE_IRQ
authorHauke Mehrtens <hauke@hauke-m.de>
Sun, 6 Jan 2019 18:44:12 +0000 (19:44 +0100)
committerPaul Burton <paul.burton@mips.com>
Mon, 7 Jan 2019 21:38:35 +0000 (13:38 -0800)
Instead of using the lantiq specific MIPS_CPU_TIMER_IRQ use the generic
CP0_LEGACY_COMPARE_IRQ constant for the timer interrupt number.
MIPS_CPU_TIMER_IRQ was already defined to 7 for both supported SoC
families.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: jhogan@kernel.org
Cc: ralf@linux-mips.org
Cc: john@phrozen.org
Cc: linux-mips@linux-mips.org
Cc: linux-mips@vger.kernel.org
arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h
arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
arch/mips/lantiq/irq.c

index c6b63a4..6dd8ad2 100644 (file)
@@ -18,8 +18,6 @@
 #define INT_NUM_EXTRA_START            (INT_NUM_IM4_IRL0 + 32)
 #define INT_NUM_IM_OFFSET              (INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0)
 
-#define MIPS_CPU_TIMER_IRQ                     7
-
 #define MAX_IM                 5
 
 #endif /* _FALCON_IRQ__ */
index 1410763..0b42421 100644 (file)
@@ -19,8 +19,6 @@
 
 #define LTQ_DMA_CH0_INT                (INT_NUM_IM2_IRL0)
 
-#define MIPS_CPU_TIMER_IRQ     7
-
 #define MAX_IM                 5
 
 #endif
index c4ef1c3..6549499 100644 (file)
@@ -310,13 +310,6 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
        /* tell oprofile which irq to use */
        ltq_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
-       /*
-        * if the timer irq is not one of the mips irqs we need to
-        * create a mapping
-        */
-       if (MIPS_CPU_TIMER_IRQ != 7)
-               irq_create_mapping(ltq_domain, MIPS_CPU_TIMER_IRQ);
-
        /* the external interrupts are optional and xway only */
        eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway");
        if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) {
@@ -353,7 +346,7 @@ EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
 
 unsigned int get_c0_compare_int(void)
 {
-       return MIPS_CPU_TIMER_IRQ;
+       return CP0_LEGACY_COMPARE_IRQ;
 }
 
 static struct of_device_id __initdata of_irq_ids[] = {