[PATCH] riscv: ccache: Remove unused variable

From: Yash Shah
Date: Thu Jun 27 2019 - 04:35:07 EST


Reading the count register clears the interrupt signal. Currently, the
count registers are read into 'regval' variable but the variable is
never used. Therefore remove it.

Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx>
---
arch/riscv/mm/sifive_l2_cache.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/mm/sifive_l2_cache.c b/arch/riscv/mm/sifive_l2_cache.c
index 4eb6461..3052a42 100644
--- a/arch/riscv/mm/sifive_l2_cache.c
+++ b/arch/riscv/mm/sifive_l2_cache.c
@@ -109,13 +109,13 @@ int unregister_sifive_l2_error_notifier(struct notifier_block *nb)

static irqreturn_t l2_int_handler(int irq, void *device)
{
- unsigned int regval, add_h, add_l;
+ unsigned int add_h, add_l;

if (irq == g_irq[DIR_CORR]) {
add_h = readl(l2_base + SIFIVE_L2_DIRECCFIX_HIGH);
add_l = readl(l2_base + SIFIVE_L2_DIRECCFIX_LOW);
pr_err("L2CACHE: DirError @ 0x%08X.%08X\n", add_h, add_l);
- regval = readl(l2_base + SIFIVE_L2_DIRECCFIX_COUNT);
+ readl(l2_base + SIFIVE_L2_DIRECCFIX_COUNT);
atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_CE,
"DirECCFix");
}
@@ -123,7 +123,7 @@ static irqreturn_t l2_int_handler(int irq, void *device)
add_h = readl(l2_base + SIFIVE_L2_DATECCFIX_HIGH);
add_l = readl(l2_base + SIFIVE_L2_DATECCFIX_LOW);
pr_err("L2CACHE: DataError @ 0x%08X.%08X\n", add_h, add_l);
- regval = readl(l2_base + SIFIVE_L2_DATECCFIX_COUNT);
+ readl(l2_base + SIFIVE_L2_DATECCFIX_COUNT);
atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_CE,
"DatECCFix");
}
@@ -131,7 +131,7 @@ static irqreturn_t l2_int_handler(int irq, void *device)
add_h = readl(l2_base + SIFIVE_L2_DATECCFAIL_HIGH);
add_l = readl(l2_base + SIFIVE_L2_DATECCFAIL_LOW);
pr_err("L2CACHE: DataFail @ 0x%08X.%08X\n", add_h, add_l);
- regval = readl(l2_base + SIFIVE_L2_DATECCFAIL_COUNT);
+ readl(l2_base + SIFIVE_L2_DATECCFAIL_COUNT);
atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_UE,
"DatECCFail");
}
--
1.9.1