The same error message is printed from different functions and another from
different switch cases. Add a function name and DMA direction to these cases
in order to make it easier to grep sources from the error log.
Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
---
drivers/dma/dw/core.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index a8ad05291b27..ed765e819b0f 100644
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -230,7 +230,8 @@ static void dwc_dostart(struct dw_dma_chan *dwc, struct dw_desc *first)
/* ASSERT: channel is idle */
if (dma_readl(dw, CH_EN) & dwc->mask) {
dev_err(chan2dev(&dwc->chan),
- "BUG: Attempted to start non-idle channel\n");
+ "BUG: Attempted to start non-idle channel in %s()\n",
+ __func__);
dwc_dump_chan_regs(dwc);
/* The tasklet will hopefully advance the queue... */
@@ -816,7 +817,8 @@ slave_sg_todev_fill_desc:
desc = dwc_desc_get(dwc);
if (!desc) {
dev_err(chan2dev(chan),
- "not enough descriptors available\n");
+ "not enough descriptors available. Dir %d\n",
+ direction);
goto err_desc_get;
}
@@ -876,7 +878,8 @@ slave_sg_fromdev_fill_desc:
desc = dwc_desc_get(dwc);
if (!desc) {
dev_err(chan2dev(chan),
- "not enough descriptors available\n");
+ "not enough descriptors available. Dir %d\n",
+ direction);
goto err_desc_get;
}
@@ -1261,7 +1264,8 @@ int dw_dma_cyclic_start(struct dma_chan *chan)
/* Assert channel is idle */
if (dma_readl(dw, CH_EN) & dwc->mask) {
dev_err(chan2dev(&dwc->chan),
- "BUG: Attempted to start non-idle channel\n");
+ "BUG: Attempted to start non-idle channel in %s()\n",
+ __func__);
dwc_dump_chan_regs(dwc);
spin_unlock_irqrestore(&dwc->lock, flags);
return -EBUSY;
--
2.1.4
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