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authorShinya Kuribayashi <skuribay@pobox.com>2010-06-27 15:52:01 +0200
committerRalf Baechle <ralf@linux-mips.org>2010-08-05 14:26:05 +0200
commitf5c1ca77a3b2f9b424c4f39bd71143d0ac308924 (patch)
tree361d18f2ac0b08bd480403aeca319f725eefd585
parentMIPS: EMMA2RH: Replace EMMA2RH_SW_IRQ_INTxx with EMMA2RH_SW_IRQ(n) (diff)
downloadlinux-f5c1ca77a3b2f9b424c4f39bd71143d0ac308924.tar.xz
linux-f5c1ca77a3b2f9b424c4f39bd71143d0ac308924.zip
MIPS: Loongson: irq.c: Misc cleanups
* Remove unnecessary 'if (int_status & (1 <<10))' statement * s/if (foo != 0)/if (foo)/ * Remove unused 'inst_status &= ~(1 << i);' line Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com> To: wuzhangjin@gmail.com CC: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1433/ Acked-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/loongson/common/irq.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c
index 20e732831978..25a11df03482 100644
--- a/arch/mips/loongson/common/irq.c
+++ b/arch/mips/loongson/common/irq.c
@@ -21,19 +21,16 @@ void bonito_irqdispatch(void)
/* workaround the IO dma problem: let cpu looping to allow DMA finish */
int_status = LOONGSON_INTISR;
- if (int_status & (1 << 10)) {
- while (int_status & (1 << 10)) {
- udelay(1);
- int_status = LOONGSON_INTISR;
- }
+ while (int_status & (1 << 10)) {
+ udelay(1);
+ int_status = LOONGSON_INTISR;
}
/* Get pending sources, masked by current enables */
int_status = LOONGSON_INTISR & LOONGSON_INTEN;
- if (int_status != 0) {
+ if (int_status) {
i = __ffs(int_status);
- int_status &= ~(1 << i);
do_IRQ(LOONGSON_IRQ_BASE + i);
}
}