On Fri, May 15, 2020 at 01:47:56PM +0300, Serge Semin wrote: > Since the common code in the spi-dw-dma.c driver is ready to be used > by the MMIO driver and now provides a method to generically (on any > DT or ACPI-based platforms) retrieve the Tx/Rx DMA channel handlers, > we can use it and a set of the common DW SPI DMA callbacks to enable > DMA at least for generic "snps,dw-apb-ssi" and "snps,dwc-ssi-1.01a" > devices. Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > Co-developed-by: Georgy Vlasov <Georgy.Vlasov@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Georgy Vlasov <Georgy.Vlasov@xxxxxxxxxxxxxxxxxxxx> > Co-developed-by: Ramil Zaripov <Ramil.Zaripov@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Ramil Zaripov <Ramil.Zaripov@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> > Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx> > Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> > Cc: Paul Burton <paulburton@xxxxxxxxxx> > Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Allison Randal <allison@xxxxxxxxxxx> > Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Cc: Gareth Williams <gareth.williams.jx@xxxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: linux-mips@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > --- > drivers/spi/spi-dw-mmio.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c > index 0894b4c09496..e23d0c53a664 100644 > --- a/drivers/spi/spi-dw-mmio.c > +++ b/drivers/spi/spi-dw-mmio.c > @@ -149,6 +149,8 @@ static int dw_spi_dw_apb_init(struct platform_device *pdev, > /* Register hook to configure CTRLR0 */ > dwsmmio->dws.update_cr0 = dw_spi_update_cr0; > > + dw_spi_dma_setup_generic(&dwsmmio->dws); > + > return 0; > } > > @@ -158,6 +160,8 @@ static int dw_spi_dwc_ssi_init(struct platform_device *pdev, > /* Register hook to configure CTRLR0 */ > dwsmmio->dws.update_cr0 = dw_spi_update_cr0_v1_01a; > > + dw_spi_dma_setup_generic(&dwsmmio->dws); > + > return 0; > } > > -- > 2.25.1 > -- With Best Regards, Andy Shevchenko