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path: root/drivers/dma/pl330.c
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Diffstat (limited to 'drivers/dma/pl330.c')
-rw-r--r--drivers/dma/pl330.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 0e1f56772855..a7d9d3029b14 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -556,7 +556,7 @@ static inline u32 _emit_ADDH(unsigned dry_run, u8 buf[],
buf[0] = CMD_DMAADDH;
buf[0] |= (da << 1);
- *((u16 *)&buf[1]) = val;
+ *((__le16 *)&buf[1]) = cpu_to_le16(val);
PL330_DBGCMD_DUMP(SZ_DMAADDH, "\tDMAADDH %s %u\n",
da == 1 ? "DA" : "SA", val);
@@ -710,7 +710,7 @@ static inline u32 _emit_MOV(unsigned dry_run, u8 buf[],
buf[0] = CMD_DMAMOV;
buf[1] = dst;
- *((u32 *)&buf[2]) = val;
+ *((__le32 *)&buf[2]) = cpu_to_le32(val);
PL330_DBGCMD_DUMP(SZ_DMAMOV, "\tDMAMOV %s 0x%x\n",
dst == SAR ? "SAR" : (dst == DAR ? "DAR" : "CCR"), val);
@@ -888,7 +888,7 @@ static inline u32 _emit_GO(unsigned dry_run, u8 buf[],
buf[1] = chan & 0x7;
- *((u32 *)&buf[2]) = addr;
+ *((__le32 *)&buf[2]) = cpu_to_le32(addr);
return SZ_DMAGO;
}
@@ -928,7 +928,7 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd,
}
writel(val, regs + DBGINST0);
- val = *((u32 *)&insn[2]);
+ val = le32_to_cpu(*((__le32 *)&insn[2]));
writel(val, regs + DBGINST1);
/* If timed out due to halted state-machine */
@@ -2162,7 +2162,7 @@ static int pl330_terminate_all(struct dma_chan *chan)
* DMA transfer again. This pause feature was implemented to
* allow safely read residue before channel termination.
*/
-int pl330_pause(struct dma_chan *chan)
+static int pl330_pause(struct dma_chan *chan)
{
struct dma_pl330_chan *pch = to_pchan(chan);
struct pl330_dmac *pl330 = pch->dmac;
@@ -2203,8 +2203,8 @@ static void pl330_free_chan_resources(struct dma_chan *chan)
pm_runtime_put_autosuspend(pch->dmac->ddma.dev);
}
-int pl330_get_current_xferred_count(struct dma_pl330_chan *pch,
- struct dma_pl330_desc *desc)
+static int pl330_get_current_xferred_count(struct dma_pl330_chan *pch,
+ struct dma_pl330_desc *desc)
{
struct pl330_thread *thrd = pch->thread;
struct pl330_dmac *pl330 = pch->dmac;
@@ -2259,7 +2259,17 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
transferred = 0;
residual += desc->bytes_requested - transferred;
if (desc->txd.cookie == cookie) {
- ret = desc->status;
+ switch (desc->status) {
+ case DONE:
+ ret = DMA_COMPLETE;
+ break;
+ case PREP:
+ case BUSY:
+ ret = DMA_IN_PROGRESS;
+ break;
+ default:
+ WARN_ON(1);
+ }
break;
}
if (desc->last)