MIPS: Alchemy: change dbdma to accept physical memory addresses
DMA can only be done from physical addresses; move the "virt_to_phys"
source/destination buffer address translation from the dbdma queueing
functions (since the hardware can only DMA to/from physical addresses)
to their respective users.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 377412e..349a67b 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -56,7 +56,7 @@
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
- if (!au1xxx_dbdma_put_dest(ahwif->rx_chan, (void*)addr,
+ if (!au1xxx_dbdma_put_dest(ahwif->rx_chan, virt_to_phys(addr),
count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __func__, __LINE__);
return;
@@ -74,7 +74,7 @@
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
- if (!au1xxx_dbdma_put_source(ahwif->tx_chan, (void*)addr,
+ if (!au1xxx_dbdma_put_source(ahwif->tx_chan, virt_to_phys(addr),
count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __func__, __LINE__);
return;
@@ -247,13 +247,13 @@
if (iswrite) {
if (!au1xxx_dbdma_put_source(ahwif->tx_chan,
- (void *)sg_virt(sg), tc, flags)) {
+ sg_phys(sg), tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__func__, __LINE__);
}
} else {
if (!au1xxx_dbdma_put_dest(ahwif->rx_chan,
- (void *)sg_virt(sg), tc, flags)) {
+ sg_phys(sg), tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__func__, __LINE__);
}