dmaengine: dw: Make error prints unique. Part #1

The same error message is printed from different functions. Add a function
name to error message in order to make it easier to grep error from sources.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c
index 455b7a4..ac4fc09 100644 (file)
--- 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");
+                       "%s: BUG: Attempted to start non-idle channel\n",
+                       __func__);
                dwc_dump_chan_regs(dwc);
 
                /* The tasklet will hopefully advance the queue... */
@@ -1261,7 +1262,8 @@ 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");
+                       "%s: BUG: Attempted to start non-idle channel\n",
+                       __func__);
                dwc_dump_chan_regs(dwc);
                spin_unlock_irqrestore(&dwc->lock, flags);
                return -EBUSY;