dmaengine: ep93xx: don't use variables defined in global scope

The driver uses same variable name in local and global context in a
function, rename the local one for better readability.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index 28945cb2e62f1f70a34bfeedf647c8dd14434690..9833c087e63c5ff41038c1da51a4a4b657007d6a 100644 (file)
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -1047,11 +1047,11 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 
        first = NULL;
        for_each_sg(sgl, sg, sg_len, i) {
-               size_t sg_len = sg_dma_len(sg);
+               size_t len = sg_dma_len(sg);
 
-               if (sg_len > DMA_MAX_CHAN_BYTES) {
+               if (len > DMA_MAX_CHAN_BYTES) {
                        dev_warn(chan2dev(edmac), "too big transfer size %zu\n",
-                                sg_len);
+                                len);
                        goto fail;
                }
 
@@ -1068,7 +1068,7 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
                        desc->src_addr = edmac->runtime_addr;
                        desc->dst_addr = sg_dma_address(sg);
                }
-               desc->size = sg_len;
+               desc->size = len;
 
                if (!first)
                        first = desc;