From 77810d484f4f28107391787dfa1c6c53d994c4fc Mon Sep 17 00:00:00 2001 From: Serge Semin Date: Fri, 15 May 2020 13:47:50 +0300 Subject: spi: dw: Initialize paddr in DW SPI MMIO private data 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. Co-developed-by: Georgy Vlasov Co-developed-by: Ramil Zaripov Signed-off-by: Georgy Vlasov Signed-off-by: Ramil Zaripov Signed-off-by: Serge Semin Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20200515104758.6934-12-Sergey.Semin@baikalelectronics.ru Signed-off-by: Mark Brown --- drivers/spi/spi-dw-mmio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/spi') 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 */ -- cgit v1.2.3