Thierry Reding wrote at Tuesday, November 22, 2011 11:58 PM:
> * Stephen Warren wrote:
> > module_platform_drive saves some boiler-plate code.
> >
> > The devm_ APIs remove the need to manually clean up allocations,
> > thus removing some code.
...
> > static int __devexit tegra_das_remove(struct platform_device *pdev)
> > {
> > - struct resource *res;
> > -
> > if (!das)
> > return -ENODEV;
> >
> > - platform_set_drvdata(pdev, NULL);
> > -
> [...]
>
> Setting the driver data to NULL may still be a good idea.
When Mark Brown reviewed the TrimSlice machine driver, he mentioned that
clearing the drvdata was pointless; nothing should be using it when the
device is not created.
As background, soon after that, I modified the tegra_wm8903.c machine
driver along the same lines, but evidently didn't update tegra_das.c
in a similar way, but would have if I'd been paying attention...
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