diff options
Diffstat (limited to 'drivers/dma/pl330.c')
| -rw-r--r-- | drivers/dma/pl330.c | 26 |
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) |