aha1542: remove loop from aha1542_outb

The loop in aha1542_outb with double-check is no longer needed, remove it.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

1 files changed, 5 insertions, 8 deletions

diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index af821f340a85..ec432763a29a 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -91,14 +91,11 @@ static inline bool wait_mask(u16 port, u8 mask, u8 allof, u8 noneof, int timeout
 
 static int aha1542_outb(unsigned int base, u8 val)
 {
-        while (1) {
-                if (!wait_mask(STATUS(base), CDF, 0, CDF, 0))
-                        return 1;
-                if (inb(STATUS(base)) & CDF)
-                        continue;
-                outb(val, DATA(base));
-                return 0;
-        }
+        if (!wait_mask(STATUS(base), CDF, 0, CDF, 0))
+                return 1;
+        outb(val, DATA(base));
+
+        return 0;
 }
 
 static int aha1542_out(unsigned int base, u8 *buf, int len)