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tx4939ide: typo fix and minor cleanup

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The bcount is greater than 0 and less than or equal to 0x10000.
Thus '(bcount & 0xffff) == 0x0000' can be simplified as 'bcount == 0x10000'.

Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Atsushi Nemoto
2009-02-02 20:12:23 +01:00
committed by Bartlomiej Zolnierkiewicz
parent a77dcc437c
commit 9711a53721
1 changed files with 2 additions and 2 deletions
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drivers/ide/tx4939ide.c
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@@ -261,9 +261,9 @@ static int tx4939ide_build_dmatable(ide_drive_t *drive, struct request *rq)
bcount = cur_len; bcount = cur_len;
/* /*
* This workaround for zero count seems required. * This workaround for zero count seems required.
* (standard ide_build_dmatable do it too) * (standard ide_build_dmatable does it too)
*/ */
if ((bcount & 0xffff) == 0x0000) if (bcount == 0x10000)
bcount = 0x8000; bcount = 0x8000;
*table++ = bcount & 0xffff; *table++ = bcount & 0xffff;
*table++ = cur_addr; *table++ = cur_addr;