Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 316637
b: refs/heads/master
c: 1d45543
h: refs/heads/master
i:
  316635: 68adf01
v: v3
  • Loading branch information
Andy Shevchenko authored and Vinod Koul committed Jun 21, 2012
1 parent 8db0b13 commit a89ad2f
Show file tree
Hide file tree
Showing 2 changed files with 17 additions and 22 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2f45d613ffae00d3355de7871d9cbfd0f2292971
refs/heads/master: 1d4554376549d50e8555e6617a4005623ea91788
37 changes: 16 additions & 21 deletions trunk/drivers/dma/dw_dmac.c
Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,19 @@ static void dwc_initialize(struct dw_dma_chan *dwc)

/*----------------------------------------------------------------------*/

static void dwc_dump_chan_regs(struct dw_dma_chan *dwc)
{
dev_err(chan2dev(&dwc->chan),
" SAR: 0x%x DAR: 0x%x LLP: 0x%x CTL: 0x%x:%08x\n",
channel_readl(dwc, SAR),
channel_readl(dwc, DAR),
channel_readl(dwc, LLP),
channel_readl(dwc, CTL_HI),
channel_readl(dwc, CTL_LO));
}

/*----------------------------------------------------------------------*/

/* Called with dwc->lock held and bh disabled */
static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
{
Expand All @@ -200,13 +213,7 @@ static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
if (dma_readl(dw, CH_EN) & dwc->mask) {
dev_err(chan2dev(&dwc->chan),
"BUG: Attempted to start non-idle channel\n");
dev_err(chan2dev(&dwc->chan),
" SAR: 0x%x DAR: 0x%x LLP: 0x%x CTL: 0x%x:%08x\n",
channel_readl(dwc, SAR),
channel_readl(dwc, DAR),
channel_readl(dwc, LLP),
channel_readl(dwc, CTL_HI),
channel_readl(dwc, CTL_LO));
dwc_dump_chan_regs(dwc);

/* The tasklet will hopefully advance the queue... */
return;
Expand Down Expand Up @@ -490,13 +497,7 @@ static void dwc_handle_cyclic(struct dw_dma *dw, struct dw_dma_chan *dwc,

spin_lock_irqsave(&dwc->lock, flags);

dev_err(chan2dev(&dwc->chan),
" SAR: 0x%x DAR: 0x%x LLP: 0x%x CTL: 0x%x:%08x\n",
channel_readl(dwc, SAR),
channel_readl(dwc, DAR),
channel_readl(dwc, LLP),
channel_readl(dwc, CTL_HI),
channel_readl(dwc, CTL_LO));
dwc_dump_chan_regs(dwc);

channel_clear_bit(dw, CH_EN, dwc->mask);
while (dma_readl(dw, CH_EN) & dwc->mask)
Expand Down Expand Up @@ -1131,13 +1132,7 @@ int dw_dma_cyclic_start(struct dma_chan *chan)
if (dma_readl(dw, CH_EN) & dwc->mask) {
dev_err(chan2dev(&dwc->chan),
"BUG: Attempted to start non-idle channel\n");
dev_err(chan2dev(&dwc->chan),
" SAR: 0x%x DAR: 0x%x LLP: 0x%x CTL: 0x%x:%08x\n",
channel_readl(dwc, SAR),
channel_readl(dwc, DAR),
channel_readl(dwc, LLP),
channel_readl(dwc, CTL_HI),
channel_readl(dwc, CTL_LO));
dwc_dump_chan_regs(dwc);
spin_unlock_irqrestore(&dwc->lock, flags);
return -EBUSY;
}
Expand Down

0 comments on commit a89ad2f

Please sign in to comment.