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coresight: tmc: Report DMA setup failures
If we failed to setup the DMA mask for TMC-ETR, report the error before failing the probe. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 6 additions and 1 deletions
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@ -340,6 +340,8 @@ static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata)
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static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
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u32 devid, void *dev_caps)
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{
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int rc;
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u32 dma_mask = 0;
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/* Set the unadvertised capabilities */
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@ -369,7 +371,10 @@ static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
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dma_mask = 40;
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}
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return dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask));
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rc = dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask));
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if (rc)
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dev_err(drvdata->dev, "Failed to setup DMA mask: %d\n", rc);
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return rc;
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}
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static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
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