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Fri, 21 Aug 2020 16:14:05 +0000 (GMT) From: =?utf-8?q?=C5=81ukasz_Stelmach?= To: Kukjin Kim , Krzysztof Kozlowski , Andi Shyti , Mark Brown , linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: m.szyprowski@samsung.com, b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukas?= =?utf-8?q?z_Stelmach?= Subject: [PATCH v2 2/9] spi: spi-s3s64xx: Add S3C64XX_SPI_QUIRK_CS_AUTO for Exynos3250 Date: Fri, 21 Aug 2020 18:13:54 +0200 Message-Id: <20200821161401.11307-3-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200821161401.11307-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0hTYRjm29nZOS5nZ5vh2wqFlUGCWihyItEMf4xIMPoTYdnSg5o6ZcdZ U8oblBNvaJJNMfGCyy6rpdPMVJZlJk3zkkkpeEFLDUwzTEvTnUn+e97vubzvAx+JSUy4jIxR JTFqlTJOLhDyzW9+93paFwPDj+inCLp6ZYZHPy014nTJ+JSALpicw+je3icEPWIxINo0+RGn B1rKBXRpbxuPzvgxQtCPOkeJE7sUwzWLmMJUrxMontWkKfIb6pFiyeQaip8X+kcycTHJjNo7 4JIwuml1EE+sFFyrHXtApCM9noMcSKB8YcCgQzlISEooA4LMyhqMG34iaF/L5nHDEoKNETN/ 29L+edpO1CEYmqrFuWEGQb9undhSCaggKKh9ayOcqUIejFvnBVsERmkg97nFhqXUOTD+XbPF 8il3aH71Gm1hEXUcvnRsENw6N7hV12TTO1D+0NWfiXMaMXTfnbJ5d1Me8DBzmM/lu0FWY5mt BFBWAj505iMuKBh+9c3ZQ6Uw29Vgx/uhpzh300xu4jQoLvLjvLkIzOUr9s6bB1lXBVsajDoM xhZv7jkIht7peJzVCT59F3MnOEGR+Q7GPYsg+6aEUx+ExwWt9kAZ5M0aUCGS63eU0e8ooP+/ qxJh9ciF0bDxUQzro2KuerHKeFajivKKSIg3oc2f1LPetdyM2v5ctiCKRHJH0YolMFyCK5NZ bbwFAYnJnUUn3/dclIgildoURp0QrtbEMawF7SP5cheRT9W3CxIqSpnExDJMIqPeZnmkgywd NYhjB5eMEyWpGcslCdUT189aKcm9G2Ed6f7mtqyxUBkbqu8T+0j9qiYP0RGu9HJYdEkepq06 FYDRsoX0kAqiJrl7tHbxyoS7WRWysKY95ojvmZ5Wo/nZF5638/LDvlpOS6GCeOlrQGfClQf2 lrUuNN5XpBxISI0NbtKM9cn5bLTyqAemZpX/AEFpOvtFAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrAIsWRmVeSWpSXmKPExsVy+t/xu7pnP9nHG6xcqmyx+MdzJouNM9az Wkx9+ITNov/xa2aL8+c3sFvcPLSC0WLT42usFpd3zWGzmHF+H5NF48eb7BZrj9xld+D2uL7k E7PHplWdbB6bl9R79G1ZxejxeZNcAGuUnk1RfmlJqkJGfnGJrVK0oYWRnqGlhZ6RiaWeobF5 rJWRqZK+nU1Kak5mWWqRvl2CXsb2X1dYCxawVSy9t5q9gXEWaxcjJ4eEgInE/tvPmEBsIYGl jBK934HiHEBxKYmVc9MhSoQl/lzrYuti5AIqecoosXPCdnaQBJuAo0T/0hOsIAkRgRlMEk9u TAYbyixQLnFp1nN2kEHCAmESjxbWg4RZBFQldhw+yghi8wpYS9w58J8dYoG8RPvy7WwgNqeA jcTxS02sEPdYS2xbfJkFol5Q4uTMJywgI5kF1CXWzxMCCfMLaEmsabrOArFVXqJ562zmCYxC s5B0zELomIWkagEj8ypGkdTS4tz03GIjveLE3OLSvHS95PzcTYzA2Nt27OeWHYxd74IPMQpw MCrx8P44ZB8vxJpYVlyZe4hRgoNZSYTX6ezpOCHelMTKqtSi/Pii0pzU4kOMpkBvTmSWEk3O B6aFvJJ4Q1NDcwtLQ3Njc2MzCyVx3g6BgzFCAumJJanZqakFqUUwfUwcnFINjDp+/Ku9ypme Ch8/lPeWI3bKgYNC3yM2CahPjOw3Ntl54LyBsl//1eX96c6niprOd1/u4W67NP23psz7Bs+A GmXWB53af7mWbKq93b53506rJCluzk2ez/efaTU44vs1+6y0j3J5+/RvWZ83nSoRlXDzesCv eP5p8D6DuDT2jl9B13wb439cUGIpzkg01GIuKk4EAIuL3bjTAgAA X-CMS-MailID: 20200821161405eucas1p20aad659cd41bc4f56d5123d3c63394f0 X-Msg-Generator: CA X-RootMTR: 20200821161405eucas1p20aad659cd41bc4f56d5123d3c63394f0 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200821161405eucas1p20aad659cd41bc4f56d5123d3c63394f0 References: <20200821161401.11307-1-l.stelmach@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This and the previous patch fix issues with DMA transfers bigger than 512 bytes on Exynos3250. Without the patches such transfers fail. The vendor kernel for ARTIK5 handles CS in a simmilar way. Signed-off-by: Łukasz Stelmach Reviewed-by: Krzysztof Kozlowski --- drivers/spi/spi-s3c64xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 26c7cb79cd78..22bf8c75580a 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1379,6 +1379,7 @@ static struct s3c64xx_spi_port_config exynos4_spi_port_config = { .tx_st_done = 25, .high_speed = true, .clk_from_cmu = true, + .quirks = S3C64XX_SPI_QUIRK_CS_AUTO, }; static struct s3c64xx_spi_port_config exynos7_spi_port_config = {