On Tue, Mar 30, 2021 at 08:53:00AM +0800, tiantao (H) wrote: > 在 2021/3/29 23:21, Mark Brown 写道: > > On Mon, Mar 29, 2021 at 04:58:36PM +0800, Tian Tao wrote: > > > + spi_data = (struct davinci_spi_of_data *) > > > + of_device_get_match_data(&pdev->dev); > > > + if (!spi_data) > > If we need to cast away from void * that's most likely pointing at a > > bug. > Even with of_match_device, there is still a type conversion，as follows > spi_data = (struct davinci_spi_of_data *)match->data; A type conversion which shouldn't have any need for a cast.
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