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 <[email protected]> Acked-by: Chunyan Zhang <[email protected]> --- Rebased on broonie/spi.git, for-5.10 --- drivers/spi/spi-sprd-adi.c | 5 +---- drivers/spi/spi-sprd.c | 17 +++++------------ 2 files changed, 6 insertions(+), 16 deletions(-) diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c index 127b8bd25831..392ec5cfa3d6 100644 --- a/drivers/spi/spi-sprd-adi.c +++ b/drivers/spi/spi-sprd-adi.c @@ -504,10 +504,7 @@ static int sprd_adi_probe(struct platform_device *pdev) dev_info(&pdev->dev, "no hardware spinlock supplied\n"); break; default: - dev_err(&pdev->dev, - "failed to find hwlock id, %d\n", ret); - fallthrough; - case -EPROBE_DEFER: + dev_err_probe(&pdev->dev, ret, "failed to find hwlock id\n"); goto put_ctlr; } } diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c index 0443fec3a6ab..635738f54c73 100644 --- a/drivers/spi/spi-sprd.c +++ b/drivers/spi/spi-sprd.c @@ -553,22 +553,15 @@ static int sprd_spi_dma_tx_config(struct sprd_spi *ss, struct spi_transfer *t) static int sprd_spi_dma_request(struct sprd_spi *ss) { ss->dma.dma_chan[SPRD_SPI_RX] = dma_request_chan(ss->dev, "rx_chn"); - if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPRD_SPI_RX])) { - if (PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]) == -EPROBE_DEFER) - return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]); - - dev_err(ss->dev, "request RX DMA channel failed!\n"); - return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]); - } + if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPRD_SPI_RX])) + return dev_err_probe(ss->dev, PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]), + "request RX DMA channel failed!\n"); ss->dma.dma_chan[SPRD_SPI_TX] = dma_request_chan(ss->dev, "tx_chn"); if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPRD_SPI_TX])) { dma_release_channel(ss->dma.dma_chan[SPRD_SPI_RX]); - if (PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]) == -EPROBE_DEFER) - return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]); - - dev_err(ss->dev, "request TX DMA channel failed!\n"); - return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]); + return dev_err_probe(ss->dev, PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]), + "request TX DMA channel failed!\n"); } return 0; -- 2.17.1
