On Fri, May 15, 2020 at 01:47:50PM +0300, Serge Semin wrote: > This field is used only for the DW SPI DMA code initialization, that's > why there were no problems with it being uninitialized in Dw SPI MMIO > driver. Since in a further patch we are going to introduce the DW SPI DMA > support in the MMIO version of the driver, lets set the field with the > physical address of the DW SPI controller registers region.
Reviewed-by: Andy Shevchenko <[email protected]> > > Co-developed-by: Georgy Vlasov <[email protected]> > Signed-off-by: Georgy Vlasov <[email protected]> > Co-developed-by: Ramil Zaripov <[email protected]> > Signed-off-by: Ramil Zaripov <[email protected]> > Signed-off-by: Serge Semin <[email protected]> > Cc: Alexey Malahov <[email protected]> > Cc: Thomas Bogendoerfer <[email protected]> > Cc: Paul Burton <[email protected]> > Cc: Ralf Baechle <[email protected]> > Cc: Arnd Bergmann <[email protected]> > Cc: Allison Randal <[email protected]> > Cc: Andy Shevchenko <[email protected]> > Cc: Gareth Williams <[email protected]> > Cc: Rob Herring <[email protected]> > Cc: [email protected] > Cc: [email protected] > --- > drivers/spi/spi-dw-mmio.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c > index 398f7926cf92..0894b4c09496 100644 > --- a/drivers/spi/spi-dw-mmio.c > +++ b/drivers/spi/spi-dw-mmio.c > @@ -184,6 +184,7 @@ static int dw_spi_mmio_probe(struct platform_device *pdev) > int (*init_func)(struct platform_device *pdev, > struct dw_spi_mmio *dwsmmio); > struct dw_spi_mmio *dwsmmio; > + struct resource *mem; > struct dw_spi *dws; > int ret; > int num_cs; > @@ -196,10 +197,12 @@ static int dw_spi_mmio_probe(struct platform_device > *pdev) > dws = &dwsmmio->dws; > > /* Get basic io resource and map it */ > - dws->regs = devm_platform_ioremap_resource(pdev, 0); > + dws->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &mem); > if (IS_ERR(dws->regs)) > return PTR_ERR(dws->regs); > > + dws->paddr = mem->start; > + > dws->irq = platform_get_irq(pdev, 0); > if (dws->irq < 0) > return dws->irq; /* -ENXIO */ > -- > 2.25.1 > -- With Best Regards, Andy Shevchenko
