From: Uwe Kleine-König Date: Wed, 19 Oct 2022 20:28:08 +0000 (+0200) Subject: i2c: xiic: Make sure to disable clock on .remove() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=810199f7315604bd969409109f1c96b4ebe772ad;p=linux.git i2c: xiic: Make sure to disable clock on .remove() If for whatever reasons pm_runtime_resume_and_get() failed, .remove() is exited early, the clock isn't freed and runtime PM state isn't reset. The right thing to do however is to free all resources that don't need HW access after a problem with runtime PM. Also issue a warning in that case and return 0 to suppress a less helpful warning by the driver core. Signed-off-by: Uwe Kleine-König Acked-by: Michal Simek Signed-off-by: Wolfram Sang --- diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 277a02455cddd..bee5a2ef1f229 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -858,11 +858,14 @@ static int xiic_i2c_remove(struct platform_device *pdev) /* remove adapter & data */ i2c_del_adapter(&i2c->adap); - ret = pm_runtime_resume_and_get(i2c->dev); + ret = pm_runtime_get_sync(i2c->dev); + if (ret < 0) - return ret; + dev_warn(&pdev->dev, "Failed to activate device for removal (%pe)\n", + ERR_PTR(ret)); + else + xiic_deinit(i2c); - xiic_deinit(i2c); pm_runtime_put_sync(i2c->dev); clk_disable_unprepare(i2c->clk); pm_runtime_disable(&pdev->dev);