From 10b17004a74c384c6f410af355b0d6d7a168f613 Mon Sep 17 00:00:00 2001 From: Shubhrajyoti Datta Date: Thu, 9 Jan 2020 17:08:00 +0530 Subject: [PATCH] i2c: xiic: Fix the clocking across bind unbind The recommendation is that the set_active should be done with pm runtime disabled. Also fix the remove path for clocking. Signed-off-by: Shubhrajyoti Datta Signed-off-by: Michal Simek Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-xiic.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index d719bf5f9d76..b17d30c9ab40 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -798,10 +798,10 @@ static int xiic_i2c_probe(struct platform_device *pdev) return ret; } i2c->dev = &pdev->dev; - pm_runtime_enable(i2c->dev); pm_runtime_set_autosuspend_delay(i2c->dev, XIIC_PM_TIMEOUT); pm_runtime_use_autosuspend(i2c->dev); pm_runtime_set_active(i2c->dev); + pm_runtime_enable(i2c->dev); ret = devm_request_threaded_irq(&pdev->dev, irq, xiic_isr, xiic_process, IRQF_ONESHOT, pdev->name, i2c); @@ -859,14 +859,16 @@ static int xiic_i2c_remove(struct platform_device *pdev) /* remove adapter & data */ i2c_del_adapter(&i2c->adap); - ret = clk_prepare_enable(i2c->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); + ret = pm_runtime_get_sync(i2c->dev); + if (ret < 0) return ret; - } + xiic_deinit(i2c); + pm_runtime_put_sync(i2c->dev); clk_disable_unprepare(i2c->clk); pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); return 0; }