On 17-07-21, 19:39, Greg KH wrote: > On Sat, Jul 17, 2021 at 08:09:45PM +0530, Vinod Koul wrote: > > On 17-07-21, 18:57, Kelvin Cheung wrote: > > > Vinod Koul <vkoul@xxxxxxxxxx> 于2021年7月14日周三 下午1:14写道: > > > > > > > > On 04-07-21, 23:33, Keguang Zhang wrote: > > > > > > > > > +static struct platform_driver ls1x_dma_driver = { > > > > > + .probe = ls1x_dma_probe, > > > > > + .remove = ls1x_dma_remove, > > > > > + .driver = { > > > > > + .name = "ls1x-dma", > > > > > + }, > > > > > +}; > > > > > + > > > > > +module_platform_driver(ls1x_dma_driver); > > > > > > > > so my comment was left unanswered, who creates this device! > > > > > > Sorry! > > > This patch will create the device: https://patchwork.kernel.org/patch/12281691 > > > > Greg, looks like the above patch creates platform devices in mips, is > > that the right way..? > > I do not understand, what exactly is the question? So this patch was adding Loongson1 dmaengine driver which is a platform device. I asked about the platform device and was told that [1] creates the platform device. I am not sure if that is the recommended way given that you have been asking people to not use platform devices. [1]: https://patchwork.kernel.org/patch/12281691 So is [1] the correct approach or should this be fixed? -- ~Vinod