Message ID | 20180307150504.16214-1-jarkko.nikula@linux.intel.com (mailing list archive) |
---|---|
State | Accepted |
Commit | e2b714afee32d368e0fda825c48181626979a551 |
Headers | show |
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 713506eff07d..82dcb88fcfba 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1806,6 +1806,8 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) return status; out_error_clock_enabled: + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_disable(&pdev->dev); clk_disable_unprepare(ssp->clk); pxa2xx_spi_dma_release(drv_data); free_irq(ssp->irq, drv_data);
Don't leave runtime PM enabled in case devm_spi_register_controller() returns with an error. Otherwise runtime PM will complain when driver is reloaded: [ 693.855811] pxa2xx-spi pxa2xx-spi.13: Unbalanced pm_runtime_enable! Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> --- This can be hit quite easily when breaking the rmmod/modprobe loop with CTRL+C and kthread startup in spi_init_queue() is interrupted. while :; do rmmod spi_pxa2xx_platform ; modprobe spi_pxa2xx_platform; done [ 688.501525] spi_master spi2: failed to create message pump task [ 688.508235] spi_master spi2: problem initializing queue [ 688.514328] pxa2xx-spi pxa2xx-spi.13: problem registering spi master [ 688.521529] pxa2xx-spi: probe of pxa2xx-spi.13 failed with error -4 ... [ 693.855811] pxa2xx-spi pxa2xx-spi.13: Unbalanced pm_runtime_enable! --- drivers/spi/spi-pxa2xx.c | 2 ++ 1 file changed, 2 insertions(+)