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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
commit1823649b5abb77ffe638178bc5253249d3ecd17d (patch)
tree154d876b89cf010568d18105913c7fbca8d7cba9 /drivers/ide/ide-cd.c
parent88a72109b2256bf2974f324a8f890b4a06faf7e9 (diff)
downloadop-kernel-dev-1823649b5abb77ffe638178bc5253249d3ecd17d.zip
op-kernel-dev-1823649b5abb77ffe638178bc5253249d3ecd17d.tar.gz
ide: add ide_read_bcount_and_ireason() helper
Add ide_read_bcount_and_ireason() helper and use it instead of ->INB in {cdrom_newpc,ide_pc}_intr(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 82879a1..563a380 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -895,10 +895,11 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
struct request *rq = HWGROUP(drive)->rq;
xfer_func_t *xferfunc;
ide_expiry_t *expiry = NULL;
- int dma_error = 0, dma, stat, ireason, len, thislen, uptodate = 0;
+ int dma_error = 0, dma, stat, thislen, uptodate = 0;
int write = (rq_data_dir(rq) == WRITE) ? 1 : 0;
unsigned int timeout;
- u8 lowcyl, highcyl;
+ u16 len;
+ u8 ireason;
/* check for errors */
dma = info->dma;
@@ -926,12 +927,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
goto end_request;
}
- /* ok we fall to pio :/ */
- ireason = hwif->INB(hwif->io_ports.nsect_addr) & 0x3;
- lowcyl = hwif->INB(hwif->io_ports.lbam_addr);
- highcyl = hwif->INB(hwif->io_ports.lbah_addr);
-
- len = lowcyl + (256 * highcyl);
+ ide_read_bcount_and_ireason(drive, &len, &ireason);
thislen = blk_fs_request(rq) ? len : rq->data_len;
if (thislen > len)
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