ide: add ->read_sff_dma_status method
Add ->read_sff_dma_status method for reading DMA Status register
and use it instead of ->INB.
While at it:
* Use inb() directly in ns87415.c::ns87415_dma_end().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 328e2df..7a2a7b2 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -126,6 +126,11 @@
return (u8)data;
}
+static u8 scc_read_sff_dma_status(ide_hwif_t *hwif)
+{
+ return (u8)in_be32((void *)hwif->dma_status);
+}
+
static void scc_ide_insw(unsigned long port, void *addr, u32 count)
{
u16 *ptr = (u16 *)addr;
@@ -773,6 +778,8 @@
ide_set_hwifdata(hwif, ports);
+ hwif->read_sff_dma_status = scc_read_sff_dma_status;
+
hwif->tf_load = scc_tf_load;
hwif->tf_read = scc_tf_read;