linux-kernel - [PATCH v6 11/16] spi: dw: Remove DW DMA code dependency from DW_DMAC

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Date:   Fri, 29 May 2020 16:12:00 +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 v6 11/16] spi: dw: Remove DW DMA code dependency from DW_DMAC_PCI

Since there is a generic method available to initialize the DW SPI DMA
interface on any DT and ACPI-based platforms, which in general can be
designed with not only DW DMAC but with any DMA engine on board, we can
freely remove the CONFIG_DW_DMAC_PCI config from dependency list of
CONFIG_SPI_DW_DMA. Especially seeing that we don't use anything DW DMAC
specific in the new driver.

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/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 03b061975f70..6a84f3dad35c 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -228,7 +228,7 @@ config SPI_DESIGNWARE
 
 config SPI_DW_DMA
 	bool "DMA support for DW SPI controller"
-	depends on SPI_DESIGNWARE && DW_DMAC_PCI
+	depends on SPI_DESIGNWARE
 
 config SPI_DW_PCI
 	tristate "PCI interface driver for DW SPI core"
-- 
2.26.2