andes: spi: Fixed the bug that mutex is used without init (torvalds#259)

Locus Wei-Han Chen · Leo Yu-Chi Liang · commit cddb050bd187 · 2025-03-03T16:37:47.000+08:00
Fixed the bug that mutex is used without init. Signed-off-by: Locus Wei-Han Chen <locus84@andestech.com> Reviewed-on: https://gitea.andestech.com/RD-SW/linux/pulls/259 Reviewed-by: Tim Shih-Ting OuYang <tim609@andestech.com> Reviewed-by: Alex Chun-Ju Lin <alex749@andestech.com> Co-authored-by: Locus Wei-Han Chen <locus84@andestech.com> Co-committed-by: Locus Wei-Han Chen <locus84@andestech.com>
diff --git a/drivers/spi/spi-atcspi200.c b/drivers/spi/spi-atcspi200.c
@@ -610,6 +610,7 @@ static int atcspi200_spi_probe(struct platform_device *pdev)
 		num_cs = NSPI_MAX_CS_NUM;
 	}
 
+	mutex_init(&spi->mutex_lock);
 	/* Define our controller */
 	controller->bus_num = pdev->id;
 	controller->mode_bits = SPI_CPOL | SPI_CPHA | SPI_RX_QUAD | SPI_TX_QUAD;

Original file line number	Diff line number	Diff line change
`@@ -610,6 +610,7 @@ static int atcspi200_spi_probe(struct platform_device *pdev)`
`610`	`610`	`num_cs = NSPI_MAX_CS_NUM;`
`611`	`611`	`}`
`612`	`612`
	`613`	`+ mutex_init(&spi->mutex_lock);`
`613`	`614`	`/* Define our controller */`
`614`	`615`	`controller->bus_num = pdev->id;`
`615`	`616`	`controller->mode_bits = SPI_CPOL \| SPI_CPHA \| SPI_RX_QUAD \| SPI_TX_QUAD;`