[PATCH 1/2] spi: bcm63xx-spi: fix pm_runtime

Álvaro Fernández Rojas noltari at gmail.com
Tue Feb 23 10:18:50 EST 2021


The driver sets auto_runtime_pm to true, but it doesn't call
pm_runtime_enable(), which results in "Failed to power device" when PM support
is enabled.

Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 drivers/spi/spi-bcm63xx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 96d075e633f4..d08bb7600150 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -593,11 +593,13 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 
 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
 
+	pm_runtime_enable(&pdev->dev);
+
 	/* register and we are done */
 	ret = devm_spi_register_master(dev, master);
 	if (ret) {
 		dev_err(dev, "spi register failed\n");
-		goto out_clk_disable;
+		goto out_pm_disable;
 	}
 
 	dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n",
@@ -605,6 +607,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 
 	return 0;
 
+out_pm_disable:
+	pm_runtime_disable(&pdev->dev);
 out_clk_disable:
 	clk_disable_unprepare(clk);
 out_err:
-- 
2.20.1




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