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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, gentle ping. Alexander Am Dienstag, 18. April 2023, 10:35:05 CEST schrieb Alexander Stein: > If dma_request_chan() fails, no error is shown nor any information is > shown in /sys/kernel/debug/devices_deferred if -EPROBE_DEFER is returned. > Use dev_err_probe to fix both problems. > = > Signed-off-by: Alexander Stein > --- > With this patch applied /sys/kernel/debug/devices_deferred actually > shows these lines on my platform: > 30820000.spi spi_imx: can't get the TX DMA channel! > 30830000.spi spi_imx: can't get the TX DMA channel! > = > drivers/spi/spi-imx.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > = > diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c > index 34e5f81ec431e..b23325a3bb667 100644 > --- a/drivers/spi/spi-imx.c > +++ b/drivers/spi/spi-imx.c > @@ -1318,7 +1318,7 @@ static int spi_imx_sdma_init(struct device *dev, > struct spi_imx_data *spi_imx, controller->dma_tx =3D dma_request_chan(dev, > "tx"); > if (IS_ERR(controller->dma_tx)) { > ret =3D PTR_ERR(controller->dma_tx); > - dev_dbg(dev, "can't get the TX DMA channel, error %d!\n", = ret); > + dev_err_probe(dev, ret, "can't get the TX DMA channel! \n"); > controller->dma_tx =3D NULL; > goto err; > } > @@ -1327,7 +1327,7 @@ static int spi_imx_sdma_init(struct device *dev, > struct spi_imx_data *spi_imx, controller->dma_rx =3D dma_request_chan(dev, > "rx"); > if (IS_ERR(controller->dma_rx)) { > ret =3D PTR_ERR(controller->dma_rx); > - dev_dbg(dev, "can't get the RX DMA channel, error %d\n", = ret); > + dev_err_probe(dev, ret, "can't get the RX DMA channel! \n"); > controller->dma_rx =3D NULL; > goto err; > } -- = TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel