diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2015-02-06 23:11:57 +0100 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-04-09 18:09:35 -0700 |
| commit | eef77801b56b098cd7e1daf8a03854dd203a051c (patch) | |
| tree | 7ecd64a6ee2332c0075cef6f329d130ce4a76629 /drivers/scsi | |
| parent | 7061dec40c07265f819ae0a6842846f74f889aa9 (diff) | |
| download | blackbird-obmc-linux-eef77801b56b098cd7e1daf8a03854dd203a051c.tar.gz blackbird-obmc-linux-eef77801b56b098cd7e1daf8a03854dd203a051c.zip | |
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>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/aha1542.c | 13 |
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) |
