[PATCH] spi: amlogic-spisg: initialize completion before requesting IRQ

Felix Gu ustc.gu at gmail.com
Mon Apr 27 10:42:00 PDT 2026


Move init_completion(&spisg->completion) to before devm_request_irq()
to avoid a potential race condition where an interrupt could fire
before the completion structure is initialized.

Fixes: cef9991e04ae ("spi: Add Amlogic SPISG driver")
Signed-off-by: Felix Gu <ustc.gu at gmail.com>
---
 drivers/spi/spi-amlogic-spisg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/spi/spi-amlogic-spisg.c b/drivers/spi/spi-amlogic-spisg.c
index 19c5eba412ef..f9de2d2c9213 100644
--- a/drivers/spi/spi-amlogic-spisg.c
+++ b/drivers/spi/spi-amlogic-spisg.c
@@ -794,6 +794,7 @@ static int aml_spisg_probe(struct platform_device *pdev)
 
 	dma_set_max_seg_size(&pdev->dev, SPISG_BLOCK_MAX);
 
+	init_completion(&spisg->completion);
 	ret = devm_request_irq(&pdev->dev, irq, aml_spisg_irq, 0, NULL, spisg);
 	if (ret) {
 		dev_err(&pdev->dev, "irq request failed\n");
@@ -806,8 +807,6 @@ static int aml_spisg_probe(struct platform_device *pdev)
 		goto out_clk;
 	}
 
-	init_completion(&spisg->completion);
-
 	pm_runtime_put(&spisg->pdev->dev);
 
 	return 0;

---
base-commit: 7080e32d3f09d8688c4a87d81bdcc71f7f606b16
change-id: 20260428-amlogic-spisg-e5594ea3eb48

Best regards,
-- 
Felix Gu <ustc.gu at gmail.com>




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