Re: [PATCH v3 3/5] spi: sunxi: Add Allwinner A31 SPI controllerdriver
From: Mark Brown
Date: Fri Jan 31 2014 - 07:48:44 EST
On Fri, Jan 31, 2014 at 11:55:50AM +0100, Maxime Ripard wrote:
> + master = devm_spi_alloc_master(&pdev->dev, sizeof(struct sun6i_spi));
> + if (!master) {
> + dev_err(&pdev->dev, "Unable to allocate SPI Master\n");
> + return -ENOMEM;
> + }
This now depends on your other series which as I said doesn't look like
the best approach.
> + pm_runtime_enable(&pdev->dev);
> + if (!pm_runtime_enabled(&pdev->dev)) {
> + ret = sun6i_spi_runtime_resume(&pdev->dev);
> + if (ret) {
> + dev_err(&pdev->dev, "Couldn't resume the device\n");
> + return ret;
> + }
> + }
No, as discussed don't do this - notice how other drivers aren't written
this way either. Like I said leave the device powered on startup and
then let it be idled by runtime PM.
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