[PATCH] mtd: nand: qcom: Fix the node for nand unmap resource

Bibek Kumar Patro quic_bibekkum at quicinc.com
Thu Sep 7 02:28:54 PDT 2023


While unmapping the nand resource in case of err_core_clk
the dev node being passed is res_start instead of nand->dma_base
(where the iova returned from map operation is stored) causing
failure in unmap operation. Hence modifying the unmap operation
to pass the nand->base_dma instead of res_start.

Signed-off-by: Bibek Kumar Patro <quic_bibekkum at quicinc.com>
---
 drivers/mtd/nand/raw/qcom_nandc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index f583022755a2..e085a0f588eb 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -3322,7 +3322,7 @@ static int qcom_nandc_probe(struct platform_device *pdev)
 err_aon_clk:
 	clk_disable_unprepare(nandc->core_clk);
 err_core_clk:
-	dma_unmap_resource(dev, res->start, resource_size(res),
+	dma_unmap_resource(dev, nandc->base_dma, resource_size(res),
 			   DMA_BIDIRECTIONAL, 0);
 	dev_err(&pdev->dev, "DEBUG: probe failed for nandc module\n");
 	return ret;
-- 
2.17.1




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