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.shevche...@linux.intel.com> > > Co-developed-by: Georgy Vlasov <georgy.vla...@baikalelectronics.ru> > Signed-off-by: Georgy Vlasov <georgy.vla...@baikalelectronics.ru> > Co-developed-by: Ramil Zaripov <ramil.zari...@baikalelectronics.ru> > Signed-off-by: Ramil Zaripov <ramil.zari...@baikalelectronics.ru> > Signed-off-by: Serge Semin <sergey.se...@baikalelectronics.ru> > Cc: Alexey Malahov <alexey.mala...@baikalelectronics.ru> > Cc: Thomas Bogendoerfer <tsbog...@alpha.franken.de> > Cc: Paul Burton <paulbur...@kernel.org> > Cc: Ralf Baechle <r...@linux-mips.org> > Cc: Arnd Bergmann <a...@arndb.de> > Cc: Allison Randal <alli...@lohutok.net> > Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com> > Cc: Gareth Williams <gareth.williams...@renesas.com> > Cc: Rob Herring <robh...@kernel.org> > Cc: linux-m...@vger.kernel.org > Cc: devicet...@vger.kernel.org > --- > 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
