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Date: Fri, 29 May 2020 06:59:12 +0300 From: Serge Semin <Sergey.Semin@...kalelectronics.ru> To: Mark Brown <broonie@...nel.org> CC: Serge Semin <Sergey.Semin@...kalelectronics.ru>, Serge Semin <fancer.lancer@...il.com>, Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>, Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Arnd Bergmann <arnd@...db.de>, Feng Tang <feng.tang@...el.com>, Rob Herring <robh+dt@...nel.org>, <linux-mips@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH v5 14/16] spi: dw: Add DMA support to the DW SPI MMIO driver 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. Co-developed-by: Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru> Signed-off-by: Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru> Co-developed-by: Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru> Signed-off-by: Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de> Cc: Arnd Bergmann <arnd@...db.de> Cc: Feng Tang <feng.tang@...el.com> Cc: Rob Herring <robh+dt@...nel.org> Cc: linux-mips@...r.kernel.org Cc: devicetree@...r.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; } -- 2.26.2
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