[PATCH 1/2] spi: cadence-quadspi: Add error logging for DMA request failure
From: Anurag Dutta
Date: Fri Dec 12 2025 - 02:23:33 EST
Add dev_err_probe() to log DMA request failures. This properly handles
-EPROBE_DEFER at debug level, reducing log spam during deferred probing.
Signed-off-by: Anurag Dutta <a-dutta@xxxxxx>
---
drivers/spi/spi-cadence-quadspi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index af6d050da1c8..7c1f742d95a6 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -2001,8 +2001,10 @@ static int cqspi_probe(struct platform_device *pdev)
if (cqspi->use_direct_mode) {
ret = cqspi_request_mmap_dma(cqspi);
- if (ret == -EPROBE_DEFER)
+ if (ret == -EPROBE_DEFER) {
+ dev_err_probe(&pdev->dev, ret, "Failed to request mmap DMA\n");
goto probe_setup_failed;
+ }
}
ret = spi_register_controller(host);
--
2.34.1