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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:52 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:52 +0200 |
commit | 1f6d8a0fd8f6cc5ee2219a8cf9b2da16dfd67397 (patch) | |
tree | 4a858f4525ea67cd325ec370f4823adc1f7c0450 /drivers/ide/pci/scc_pata.c | |
parent | b73c7ee25da6133f97f47ffd3557288417da7c76 (diff) | |
download | lwn-1f6d8a0fd8f6cc5ee2219a8cf9b2da16dfd67397.tar.gz lwn-1f6d8a0fd8f6cc5ee2219a8cf9b2da16dfd67397.zip |
ide: add ->read_altstatus method
* Remove ide_read_altstatus() inline helper.
* Add ->read_altstatus method for reading ATA Alternate Status
register and use it instead of ->INB.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/scc_pata.c')
-rw-r--r-- | drivers/ide/pci/scc_pata.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 3d72a5e03f3d..a89dc4780786 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -139,6 +139,11 @@ static u8 scc_read_status(ide_hwif_t *hwif) return (u8)in_be32((void *)hwif->io_ports.status_addr); } +static u8 scc_read_altstatus(ide_hwif_t *hwif) +{ + return (u8)in_be32((void *)hwif->io_ports.ctl_addr); +} + static u8 scc_read_sff_dma_status(ide_hwif_t *hwif) { return (u8)in_be32((void *)(hwif->dma_base + 4)); @@ -794,6 +799,7 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif) hwif->exec_command = scc_exec_command; hwif->read_status = scc_read_status; + hwif->read_altstatus = scc_read_altstatus; hwif->read_sff_dma_status = scc_read_sff_dma_status; hwif->tf_load = scc_tf_load; |