spi: cadence-quadspi: 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>
Link: https://lore.kernel.org/r/20200901152713.18629-5-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 1c1a9d1..0e5e459 100644 (file)
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1117,11 +1117,8 @@ static int cqspi_request_mmap_dma(struct cqspi_st *cqspi)
        cqspi->rx_chan = dma_request_chan_by_mask(&mask);
        if (IS_ERR(cqspi->rx_chan)) {
                int ret = PTR_ERR(cqspi->rx_chan);
-
-               if (ret != -EPROBE_DEFER)
-                       dev_err(&cqspi->pdev->dev, "No Rx DMA available\n");
                cqspi->rx_chan = NULL;
-               return ret;
+               return dev_err_probe(&cqspi->pdev->dev, ret, "No Rx DMA available\n");
        }
        init_completion(&cqspi->rx_dma_complete);