[MIPS] Alchemy: replace ffs() with __ffs()

Fix havoc wrought by commit 56f621c7f6f735311eed3f36858b402013023c18 --
au_ffs() and ffs() are equivalent, that patch should have just replaced one
with another.  Now replace ffs() with __ffs() which returns an unbiased bit
number.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index ddfb7f0a17a6..b7f1bbf6d5aa 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -462,7 +462,7 @@ static void intc0_req0_irqdispatch(void)
                 return;
         }
 #endif
-        bit = ffs(intc0_req0);
+        bit = __ffs(intc0_req0);
         intc0_req0 &= ~(1 << bit);
         do_IRQ(MIPS_CPU_IRQ_BASE + bit);
 }
@@ -478,7 +478,7 @@ static void intc0_req1_irqdispatch(void)
         if (!intc0_req1)
                 return;
 
-        bit = ffs(intc0_req1);
+        bit = __ffs(intc0_req1);
         intc0_req1 &= ~(1 << bit);
         do_IRQ(bit);
 }
@@ -498,7 +498,7 @@ static void intc1_req0_irqdispatch(void)
         if (!intc1_req0)
                 return;
 
-        bit = ffs(intc1_req0);
+        bit = __ffs(intc1_req0);
         intc1_req0 &= ~(1 << bit);
         do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit);
 }
@@ -514,7 +514,7 @@ static void intc1_req1_irqdispatch(void)
         if (!intc1_req1)
                 return;
 
-        bit = ffs(intc1_req1);
+        bit = __ffs(intc1_req1);
         intc1_req1 &= ~(1 << bit);
         do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit);
 }