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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:51 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:51 +0200 |
| commit | c6dfa867bb45f4bff2e48f3bc89ab1d6a7ab4c21 (patch) | |
| tree | 54d9322fad75e48fb548e182fbb87d06a06cd048 /drivers/ide/pci/scc_pata.c | |
| parent | ebb00fb55d0566bb3e81518122a57b4b3bedf1e4 (diff) | |
| download | lwn-c6dfa867bb45f4bff2e48f3bc89ab1d6a7ab4c21.tar.gz lwn-c6dfa867bb45f4bff2e48f3bc89ab1d6a7ab4c21.zip | |
ide: add ->exec_command method
Add ->exec_command method for writing ATA Command register
and use it instead of ->OUTBSYNC.
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 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index fc163a7772a7..d140dfd565a4 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -126,6 +126,14 @@ static u8 scc_ide_inb(unsigned long port) return (u8)data; } +static void scc_exec_command(ide_hwif_t *hwif, u8 cmd) +{ + out_be32((void *)hwif->io_ports.command_addr, cmd); + eieio(); + in_be32((void *)(hwif->dma_base + 0x01c)); + eieio(); +} + static u8 scc_read_sff_dma_status(ide_hwif_t *hwif) { return (u8)in_be32((void *)(hwif->dma_base + 4)); @@ -779,6 +787,7 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif) ide_set_hwifdata(hwif, ports); + hwif->exec_command = scc_exec_command; hwif->read_sff_dma_status = scc_read_sff_dma_status; hwif->tf_load = scc_tf_load; |