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authorManuel Lauss <manuel.lauss@googlemail.com>2009-10-13 20:22:35 +0200
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 12:52:55 +0100
commit963accbc82a0912b39de39d59e2fd6741db3aa4b (patch)
tree4ea340b0261ab19f3f0776f47e4fab8708934b5b /drivers/ide
parentea071cc705e8bfba0c8bf84be8d4f9f4e9da6962 (diff)
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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>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/au1xxx-ide.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 377412e1d32..349a67bf1a3 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -56,7 +56,7 @@ static inline void auide_insw(unsigned long port, void *addr, u32 count)
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 @@ static inline void auide_outsw(unsigned long port, void *addr, u32 count)
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 @@ static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd)
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__);
}