From 7e2903cb91df1a8b0a202a7cf5c9e3d2f654bc57 Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Fri, 15 Sep 2017 15:29:16 +0800 Subject: spi: Add ADI driver for Spreadtrum platform This patch adds ADI driver based on SPI framework for Spreadtrum SC9860 platform. Signed-off-by: Baolin Wang Signed-off-by: Mark Brown --- drivers/spi/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index a75f2a2cf780..0c38a5bfcd74 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -626,6 +626,12 @@ config SPI_SIRF help SPI driver for CSR SiRFprimaII SoCs +config SPI_SPRD_ADI + tristate "Spreadtrum ADI controller" + depends on ARCH_SPRD || COMPILE_TEST + help + ADI driver based on SPI for Spreadtrum SoCs. + config SPI_STM32 tristate "STMicroelectronics STM32 SPI controller" depends on ARCH_STM32 || COMPILE_TEST -- cgit v1.2.3 From da394712324e9a0c91ae05cc24396af6d99f3ad6 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Wed, 20 Sep 2017 01:17:17 -0300 Subject: spi: Kconfig: Remove old comments now that SPI slave is supported Since commit 6c364062bfed ("spi: core: Add support for registering SPI slave controllers") SPI slave is also supported, so remove the old comments that say SPI slave is unsupported. Signed-off-by: Fabio Estevam Acked-by: Geert Uytterhoeven Signed-off-by: Mark Brown --- drivers/spi/Kconfig | 4 ---- 1 file changed, 4 deletions(-) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index a75f2a2cf780..948a74bb2795 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -1,10 +1,6 @@ # # SPI driver configuration # -# NOTE: the reason this doesn't show SPI slave support is mostly that -# nobody's needed a slave side API yet. The master-role API is not -# fully appropriate there, so it'd need some thought to do well. -# menuconfig SPI bool "SPI support" depends on HAS_IOMEM -- cgit v1.2.3 From e83f374247c310bc558c8626fbfcc03f22f9bf02 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 5 Oct 2017 22:39:37 +0200 Subject: spi: spreadtrum adi: add hwspinlock dependency With CONFIG_HWSPINLOCK=m, the new driver fails to link as a built-in driver: drivers/spi/spi-sprd-adi.o: In function `sprd_adi_remove': spi-sprd-adi.c:(.text+0x18): undefined reference to `hwspin_lock_free' drivers/spi/spi-sprd-adi.o: In function `sprd_adi_probe': spi-sprd-adi.c:(.text+0xfc): undefined reference to `of_hwspin_lock_get_id' spi-sprd-adi.c:(.text+0x108): undefined reference to `hwspin_lock_request_specific' spi-sprd-adi.c:(.text+0x268): undefined reference to `hwspin_lock_free' This adds a hard Kconfig dependency on HWSPINLOCK for the !COMPILE_TEST case, and allows compile-testing with HWSPINLOCK completely disabled, which will then rely on the existing stub API. Fixes: 7e2903cb91df ("spi: Add ADI driver for Spreadtrum platform") Signed-off-by: Arnd Bergmann Signed-off-by: Mark Brown --- drivers/spi/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 0c38a5bfcd74..2c96f744352b 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -629,6 +629,7 @@ config SPI_SIRF config SPI_SPRD_ADI tristate "Spreadtrum ADI controller" depends on ARCH_SPRD || COMPILE_TEST + depends on HWSPINLOCK || (COMPILE_TEST && !HWSPINLOCK) help ADI driver based on SPI for Spreadtrum SoCs. -- cgit v1.2.3