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| author | Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> | 2020-01-09 17:08:00 +0530 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2020-01-15 21:13:40 +0100 |
| commit | 10b17004a74c384c6f410af355b0d6d7a168f613 (patch) | |
| tree | 1d7c7ead24046e813638f07ab35f9e76fdd1db42 /drivers/i2c | |
| parent | c9d059681b846f5d0a280950ea4dc58495b9b7a9 (diff) | |
| download | linux-10b17004a74c384c6f410af355b0d6d7a168f613.tar.gz linux-10b17004a74c384c6f410af355b0d6d7a168f613.tar.xz | |
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 <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-xiic.c | 12 |
1 files 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; } |