[OpenWrt-Devel] [PATCH v2 1/7] MIPS: lantiq: Move macro directly to iomem function

[petrcvekcz]

From: Petr Cvek <petrcve...@gmail.com>

Using the variable as a temporary holder for the macro of the register
offset value is not necessary. Move it directly to the IOMEM read/write
call.

Signed-off-by: Petr Cvek <petrcve...@gmail.com>
---
 arch/mips/lantiq/irq.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index 6549499eb202..fb3e1cc2cf6b 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -77,44 +77,42 @@ int ltq_eiu_get_irq(int exin)
 
 void ltq_disable_irq(struct irq_data *d)
 {
-       u32 ier = LTQ_ICU_IM0_IER;
        int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
        int im = offset / INT_NUM_IM_OFFSET;
 
        offset %= INT_NUM_IM_OFFSET;
-       ltq_icu_w32(im, ltq_icu_r32(im, ier) & ~BIT(offset), ier);
+       ltq_icu_w32(im, ltq_icu_r32(im, LTQ_ICU_IM0_IER) & ~BIT(offset),
+                   LTQ_ICU_IM0_IER);
 }
 
 void ltq_mask_and_ack_irq(struct irq_data *d)
 {
-       u32 ier = LTQ_ICU_IM0_IER;
-       u32 isr = LTQ_ICU_IM0_ISR;
        int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
        int im = offset / INT_NUM_IM_OFFSET;
 
        offset %= INT_NUM_IM_OFFSET;
-       ltq_icu_w32(im, ltq_icu_r32(im, ier) & ~BIT(offset), ier);
-       ltq_icu_w32(im, BIT(offset), isr);
+       ltq_icu_w32(im, ltq_icu_r32(im, LTQ_ICU_IM0_IER) & ~BIT(offset),
+                   LTQ_ICU_IM0_IER);
+       ltq_icu_w32(im, BIT(offset), LTQ_ICU_IM0_ISR);
 }
 
 static void ltq_ack_irq(struct irq_data *d)
 {
-       u32 isr = LTQ_ICU_IM0_ISR;
        int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
        int im = offset / INT_NUM_IM_OFFSET;
 
        offset %= INT_NUM_IM_OFFSET;
-       ltq_icu_w32(im, BIT(offset), isr);
+       ltq_icu_w32(im, BIT(offset), LTQ_ICU_IM0_ISR);
 }
 
 void ltq_enable_irq(struct irq_data *d)
 {
-       u32 ier = LTQ_ICU_IM0_IER;
        int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
        int im = offset / INT_NUM_IM_OFFSET;
 
        offset %= INT_NUM_IM_OFFSET;
-       ltq_icu_w32(im, ltq_icu_r32(im, ier) | BIT(offset), ier);
+       ltq_icu_w32(im, ltq_icu_r32(im, LTQ_ICU_IM0_IER) | BIT(offset),
+                   LTQ_ICU_IM0_IER);
 }
 
 static int ltq_eiu_settype(struct irq_data *d, unsigned int type)
-- 
2.21.0


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