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aha1542: remove loop from aha1542_outb

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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>
This commit is contained in:
Ondrej Zary 2015-02-06 23:11:57 +01:00 committed by James Bottomley
parent 7061dec40c
commit eef77801b5
1 changed files with 5 additions and 8 deletions
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13
drivers/scsi/aha1542.c
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@ -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) static int aha1542_outb(unsigned int base, u8 val)
{ {
while (1) { if (!wait_mask(STATUS(base), CDF, 0, CDF, 0))
if (!wait_mask(STATUS(base), CDF, 0, CDF, 0)) return 1;
return 1; outb(val, DATA(base));
if (inb(STATUS(base)) & CDF)
continue; return 0;
outb(val, DATA(base));
return 0;
}
} }
static int aha1542_out(unsigned int base, u8 *buf, int len) static int aha1542_out(unsigned int base, u8 *buf, int len)