mtd: rawnand: gpmi: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200901142535.12819-3-krzk@kernel.org

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 86dc83d0de8effe636d019b1b793a9562ac45a61..dc8104e6750621edb732ac52deb06549a6a277c4 100644 (file)
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -1004,10 +1004,8 @@ static int acquire_dma_channels(struct gpmi_nand_data *this)
        /* request dma channel */
        dma_chan = dma_request_chan(&pdev->dev, "rx-tx");
        if (IS_ERR(dma_chan)) {
        /* request dma channel */
        dma_chan = dma_request_chan(&pdev->dev, "rx-tx");
        if (IS_ERR(dma_chan)) {

-               ret = PTR_ERR(dma_chan);
-               if (ret != -EPROBE_DEFER)
-                       dev_err(this->dev, "DMA channel request failed: %d\n",
-                               ret);
+               ret = dev_err_probe(this->dev, PTR_ERR(dma_chan),
+                                   "DMA channel request failed\n");

                release_dma_channels(this);
        } else {
                this->dma_chans[0] = dma_chan;
                release_dma_channels(this);
        } else {
                this->dma_chans[0] = dma_chan;