Commit 08be8747 authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Greg Kroah-Hartman

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: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 61810404
...@@ -340,6 +340,8 @@ static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata) ...@@ -340,6 +340,8 @@ static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata)
static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata, static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
u32 devid, void *dev_caps) u32 devid, void *dev_caps)
{ {
int rc;
u32 dma_mask = 0; u32 dma_mask = 0;
/* Set the unadvertised capabilities */ /* Set the unadvertised capabilities */
...@@ -369,7 +371,10 @@ static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata, ...@@ -369,7 +371,10 @@ static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
dma_mask = 40; dma_mask = 40;
} }
return dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask)); rc = dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask));
if (rc)
dev_err(drvdata->dev, "Failed to setup DMA mask: %d\n", rc);
return rc;
} }
static int tmc_probe(struct amba_device *adev, const struct amba_id *id) static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
......
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