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Wed, 19 Aug 2020 12:32:25 +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 Subject: [PATCH 1/8] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable_datapath() Date: Wed, 19 Aug 2020 14:32:01 +0200 Message-Id: <20200819123208.12337-2-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819123208.12337-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrPKsWRmVeSWpSXmKPExsWy7djPc7q3pG3jDSb/lrBY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDWKyyYlNSezLLVI3y6BK+Ph9d2sBZPYKm6sf8DSwNjN 2sXIySEhYCJxZtd09i5GLg4hgRWMEssmT2KGcL4wSsw8fYURwvnMKHHzPUgLB1hL64IIiPhy RokPXy+xQjjPGSU6T99lAZnLJuAo0b/0BFhCRGACk8TDc2/YQBLMAqUSPTsPgdnCAgkS345O YAeZyiKgKtGytxIkzCtgLTFl33kmiPvkJdqXbwcr5xSwkXj4awobRI2gxMmZT8B28QtoSaxp us4CMV5eonnrbGaI3nPsEr86uCFsF4lTS2FmCku8Or6FHcKWkfi/cz4TxGP1EpMnmYGcLCHQ wyixbc4PFogaa4k7536xgdQwC2hKrN+lDxF2lNhz5ytUK5/EjbeCEBfwSUzaNp0ZIswr0dEm BFGtIrGufw/UQCmJ3lcrGCcwKs1C8sssJPfPQti1gJF5FaN4amlxbnpqsVFearlecWJucWle ul5yfu4mRmAyOv3v+JcdjLv+JB1iFOBgVOLhrThnHS/EmlhWXJl7iFGCg1lJhNfp7Ok4Id6U xMqq1KL8+KLSnNTiQ4zSHCxK4rzGi17GCgmkJ5akZqemFqQWwWSZODilGhhbL1k3Hk38u0Hz 7lcn/9XuqqXKnQ7fdl23XSizL/ewDHd+stziNJZCl698T04eavNo0o4RnfGD68/HPPH1czg3 Hee+I1l4eb7GwZfejNP/KlktKV8UviB7/6nJUuW/HKuObUmSPPCAr+vfi04z5cor1l+27vR4 3+Z0VqllHWv/hyVqlg9qXRyVWIozEg21mIuKEwG4CQEzQgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrPIsWRmVeSWpSXmKPExsVy+t/xe7q3pG3jDVYdZbdY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDVKz6Yov7QkVSEjv7jEVina0MJIz9DSQs/IxFLP0Ng8 1srIVEnfziYlNSezLLVI3y5BL+Ph9d2sBZPYKm6sf8DSwNjN2sXIwSEhYCLRuiCii5GLQ0hg KaNEx6ReZoi4lMTKueldjJxAprDEn2tdbBA1TxklDrbMZAJJsAk4SvQvPcEKkhARmMEk8eTG ZFaQBLNAucSlWc/ZQQYJC8RJXDjAA2KyCKhKtOytBKngFbCWmLLvPBPEfHmJ9uXb2UBsTgEb iYe/poDZQkA1XYsXMkHUC0qcnPmEBWQMs4C6xPp5QiBhfgEtiTVN11kglspLNG+dzTyBUWgW ko5ZCB2zkFQtYGRexSiSWlqcm55bbKhXnJhbXJqXrpecn7uJERh524793LyD8dLG4EOMAhyM Sjy8Fees44VYE8uKK3MPMUpwMCuJ8DqdPR0nxJuSWFmVWpQfX1Sak1p8iNEU6MuJzFKiyfnA pJBXEm9oamhuYWlobmxubGahJM7bIXAwRkggPbEkNTs1tSC1CKaPiYNTqoGxX8Xe6f5MjWwz 9qXHG99nH+NvC+p+4Hp21SGGmL70EyJ6Rh9vLn+9R491/9/XhX9szzmuSH7iMVHTOShwy4de VwatKYrPDyyc9L0+JXNtoeO3Yo3P63WMjP/Zf/jLZOXoVlh1x+1GiDNrUltrqXbx40+XujUY 12eEb3275ZLSh5wpj8QeKrAosRRnJBpqMRcVJwIA2w7Ux9ICAAA= X-CMS-MailID: 20200819123226eucas1p16c9b90330d957344f99f6ee461190085 X-Msg-Generator: CA X-RootMTR: 20200819123226eucas1p16c9b90330d957344f99f6ee461190085 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200819123226eucas1p16c9b90330d957344f99f6ee461190085 References: <20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083229_873094_0FEC21F0 X-CRM114-Status: GOOD ( 15.08 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.11 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Fix issues with DMA transfers bigger than 512 on Exynos3250. Signed-off-by: Łukasz Stelmach --- drivers/spi/spi-s3c64xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index cf67ea60dc0e..fb5e2ba4b6b9 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -678,11 +678,11 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, sdd->state &= ~RXBUSY; sdd->state &= ~TXBUSY; - s3c64xx_enable_datapath(sdd, xfer, use_dma); - /* Start the signals */ s3c64xx_spi_set_cs(spi, true); + s3c64xx_enable_datapath(sdd, xfer, use_dma); + spin_unlock_irqrestore(&sdd->lock, flags); if (use_dma) From patchwork Wed Aug 19 12:32:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723907 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 93114739 for ; 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Wed, 19 Aug 2020 12:32:26 +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 Subject: [PATCH 2/8] spi: spi-s3s64xx: Add S3C64XX_SPI_QUIRK_CS_AUTO for Exynos3250 Date: Wed, 19 Aug 2020 14:32:02 +0200 Message-Id: <20200819123208.12337-3-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819123208.12337-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrAKsWRmVeSWpSXmKPExsWy7djPc7q3pW3jDU6+ZLRY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDWKyyYlNSezLLVI3y6BK6Px6xX2gmssFdeez2BvYPzB 3MXIySEhYCJxeOpLli5GLg4hgRWMEvevNzOCJIQEvjBKfPkUCpH4zChxpmUfC0zH5tffWCES yxklLi8/ywbR8ZxR4sq1bBCbTcBRon/pCbAiEYEJTBIPz70BK2IWKJXo2XkIzBYWCJXovnoO 7A4WAVWJawfvsYPYvALWEksvTIS6T16iffl2sHpOARuJh7+msEHUCEqcnPkE7CJ+AS2JNU3X WSDmy0s0b53NDLJYQuAcu8ShlTtYIQa5SDQtuMAIYQtLvDq+hR3ClpH4v3M+UxcjB5BdLzF5 khlEbw+jxLY5P6Betpa4c+4XG0gNs4CmxPpd+hBhR4mPR3YyQ7TySdx4KwhxAp/EpG3TocK8 Eh1tQhDVKhLr+vdADZSS6H21gnECo9IsJM/MQvLALIRdCxiZVzGKp5YW56anFhvlpZbrFSfm Fpfmpesl5+duYgSmo9P/jn/ZwbjrT9IhRgEORiUe3opz1vFCrIllxZW5hxglOJiVRHidzp6O E+JNSaysSi3Kjy8qzUktPsQozcGiJM5rvOhlrJBAemJJanZqakFqEUyWiYNTqoFRUqbt5scV l65sfPTp/R2/8qyOdawK+49e0rq6ZsPvpTu2ixVesrdgu/vRXD02IGnzotVnORJKxPsrL29g 5/4V1fVoWlVIZMHG3/MeWG/T5ThuK1O/5bPo9jWHPtkL7WJeJ7nwz8I53Dyi07drN4f7FG3d kb+P7ZVKmzJjccLT+X2TG17XfeucrMRSnJFoqMVcVJwIAJKDEfNDAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrIIsWRmVeSWpSXmKPExsVy+t/xu7q3pG3jDb7+lrFY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDVKz6Yov7QkVSEjv7jEVina0MJIz9DSQs/IxFLP0Ng8 1srIVEnfziYlNSezLLVI3y5BL6Px6xX2gmssFdeez2BvYPzB3MXIySEhYCKx+fU31i5GLg4h gaWMElf23QdyOIASUhIr56ZD1AhL/LnWxQZR85RRYuaR9awgCTYBR4n+pSfAmkUEZjBJPLkx GSzBLFAucWnWc3aQQcICwRJTHxmChFkEVCWuHbzHDmLzClhLLL0wEeoIeYn25dvZQGxOARuJ h7+mgNlCQDVdixcyQdQLSpyc+YQFZCSzgLrE+nlCIGF+AS2JNU3XWSC2yks0b53NPIFRaBaS jlkIHbOQVC1gZF7FKJJaWpybnltsqFecmFtcmpeul5yfu4kRGH3bjv3cvIPx0sbgQ4wCHIxK PLwV56zjhVgTy4orcw8xSnAwK4nwOp09HSfEm5JYWZValB9fVJqTWnyI0RTozYnMUqLJ+cDE kFcSb2hqaG5haWhubG5sZqEkztshcDBGSCA9sSQ1OzW1ILUIpo+Jg1OqgZFT5k6TrAxH+rX9 x7cl7Y32YvZ+rmKl8KkrbPl3C9MrRnt9FT9MWZeXE+M94ZDfrLd39xtt8uGveHn808buDd1i yZt+vDd9ynrCKHs6V808z/Lck5lrF4sqTL706+GPTmbXvpfXQv7ZXs/huPFo8iH7payWpmKu GvnXQ7tuVjh+MQ5elFtUY6nEUpyRaKjFXFScCAAN5Rja1AIAAA== X-CMS-MailID: 20200819123226eucas1p2f4be625abd7ddaac2f09bdf94395346b X-Msg-Generator: CA X-RootMTR: 20200819123226eucas1p2f4be625abd7ddaac2f09bdf94395346b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200819123226eucas1p2f4be625abd7ddaac2f09bdf94395346b References: <20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083229_813823_40D9E560 X-CRM114-Status: GOOD ( 15.25 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.11 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Łukasz Stelmach --- 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 fb5e2ba4b6b9..8fe44451d303 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1372,6 +1372,7 @@ 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 = { From patchwork Wed Aug 19 12:32:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723879 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BAE59138C for ; Wed, 19 Aug 2020 12:33:05 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 92FBF206FA for ; Wed, 19 Aug 2020 12:33:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="S3/vqXYU"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="jJ9wvAcz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92FBF206FA Authentication-Results: mail.kernel.org; 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Wed, 19 Aug 2020 12:32:26 +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 Subject: [PATCH 3/8] spi: spi-s3c64xx: Report more information when errors occur Date: Wed, 19 Aug 2020 14:32:03 +0200 Message-Id: <20200819123208.12337-4-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819123208.12337-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA01SfSyUcRzf757nnnscp8ex+Y5K3eqP5KW32WNonRr3V2v9U2y5rjwd6+7o HkRrKC2y8zIvkawUxizhHC6Z1dUQuSu2ZIVulJJMoXG11N3D8t/n9/u8fD/f334kJm7ie5Hx miRGq1GoJIQQb+9Zsfi/8w6T7xlbFNLVy9M8uqW8iU+XWqcIumDyK0ZbLM0CetRUj2j95Bs+ PdxZSdDllm4efeX7qIBufD4mOOQsG6n5gcn0DTcIWWtNhizf0IBkC/qtx/jRwtBYRhWfwmgD D54Wxlm7p/DEfip14aeBn4lKRbnIiQTqAFTZOni5SEiKqXoEtY/H+dxhEcHyyJM1ZgHBSE4e lotIh2VuzsvuFlN1CJ4uRXKaaQT14724nSAoKRTU9jmSPKhCHljNs4SdwKhk0D0yObA7dRxW 2/oEdoxTO6G8a55nxyIqBAZWDAKunw9k13U49E5UKFhtJQSncYMXt6YcwzZRvvDg6gjO5ftA VtttjPOaBTBfJ+XwETB/shIcdoeZ3vX8zTBQrMO5xTKguCjI3hkoHYL2ymWc04TAe7ONsGsw ahc0dQZy11KoNt5CnNUV3n5z4xq4QlF72dpTiSDnuphT74CHBV1rgV6QN1OPCpGkYsMuFRv6 V/yfVYWwBuTJJLNqJcPu0zAXA1iFmk3WKAPOJqj16N83GvjTu2hEnb/PmBBFIomLKNUcIhfz FSlsmtqEgMQkHqLwwYEYsShWkXaJ0SbItckqhjUhbxKXeIr23/9ySkwpFUnMeYZJZLTrLI90 8spEjeHS9KroYOnkh+lWf2X/tYKhEltYoltAUJyv7WSN8cJ89mXVbsUviEwxbYt5FVV6Z7Yy 6vXne2oki9uuy282ZER8xLMjysYYZ/ms9AQRNCqNNQ61PjNvyThXEWZkb4LGL2nYbdXlZfVE 8IRzS9Tho7almcFev6y69Ls9bTpvCc7GKfb6YlpW8Rd2tasGQgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrAIsWRmVeSWpSXmKPExsVy+t/xu7q3pG3jDdbOMLJY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDVKz6Yov7QkVSEjv7jEVina0MJIz9DSQs/IxFLP0Ng8 1srIVEnfziYlNSezLLVI3y5BL+PhvicsBacEKj5/28LawDiVt4uRg0NCwETi3TupLkYuDiGB pYwSl3ctZ4aIS0msnJvexcgJZApL/LnWxQZR85RRYt+BeywgCTYBR4n+pSdYQRIiAjOYJJ7c mMwKkmAWKJe4NOs5O8ggYYEAiQMNqiBhFgFViRl7PjCB2LwC1hKnf25hh1ggL9G+fDsbiM0p YCPx8NcUMFsIqKZr8UKoekGJkzOfsICMZBZQl1g/TwgkzC+gJbGm6ToLxFZ5ieats5knMArN QtIxC6FjFpKqBYzMqxhFUkuLc9Nzi430ihNzi0vz0vWS83M3MQJjb9uxn1t2MHa9Cz7EKMDB qMTDW3HOOl6INbGsuDL3EKMEB7OSCK/T2dNxQrwpiZVVqUX58UWlOanFhxhNgd6cyCwlmpwP TAt5JfGGpobmFpaG5sbmxmYWSuK8HQIHY4QE0hNLUrNTUwtSi2D6mDg4pRoYdx6W/yCQYVah /NIvRlsgOixKUvFHwg/R7dtEMra0Tu/h+h36V/3hlt8fJy1PeHDsztxzxXM9XBTyWg+vZBWQ vjRd9vwxz+TE3+0Lk1IOPwr88UQuZOUM6zlG5yyu3NvSuVjmX9IlqVNB85+735n1MPLsrW1H H06+kyha/sfzwA/njLatq+N9C5RYijMSDbWYi4oTASYPkNHTAgAA X-CMS-MailID: 20200819123226eucas1p2dc50cd60f71f2155524ec21bf4dcdd74 X-Msg-Generator: CA X-RootMTR: 20200819123226eucas1p2dc50cd60f71f2155524ec21bf4dcdd74 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200819123226eucas1p2dc50cd60f71f2155524ec21bf4dcdd74 References: <20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083229_910775_62EAF0A6 X-CRM114-Status: GOOD ( 16.65 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.11 listed in wl.mailspike.net] -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Report amount of pending data when a transfer stops due to errors. Report if DMA was used to transfer data and print the status code. Signed-off-by: Łukasz Stelmach Reviewed-by: Krzysztof Kozlowski --- drivers/spi/spi-s3c64xx.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 8fe44451d303..4ab68cd1b821 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -122,6 +122,7 @@ struct s3c64xx_spi_dma_data { struct dma_chan *ch; + dma_cookie_t cookie; enum dma_transfer_direction direction; }; @@ -297,7 +298,7 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma, desc->callback = s3c64xx_spi_dmacb; desc->callback_param = dma; - dmaengine_submit(desc); + dma->cookie = dmaengine_submit(desc); dma_async_issue_pending(dma->ch); } @@ -692,17 +693,28 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, if (status) { dev_err(&spi->dev, - "I/O Error: rx-%d tx-%d res:rx-%c tx-%c len-%d\n", + "I/O Error: rx-%d tx-%d rx-%c tx-%c len-%d dma-%d res-(%d)\n", xfer->rx_buf ? 1 : 0, xfer->tx_buf ? 1 : 0, (sdd->state & RXBUSY) ? 'f' : 'p', (sdd->state & TXBUSY) ? 'f' : 'p', - xfer->len); + xfer->len, use_dma ? 1 : 0, status); if (use_dma) { - if (xfer->tx_buf && (sdd->state & TXBUSY)) + struct dma_tx_state s; + + if (xfer->tx_buf && (sdd->state & TXBUSY)) { + dmaengine_pause(sdd->tx_dma.ch); + dmaengine_tx_status(sdd->tx_dma.ch, sdd->tx_dma.cookie, &s); dmaengine_terminate_all(sdd->tx_dma.ch); - if (xfer->rx_buf && (sdd->state & RXBUSY)) + dev_err(&spi->dev, "TX residue: %d\n", s.residue); + + } + if (xfer->rx_buf && (sdd->state & RXBUSY)) { + dmaengine_pause(sdd->rx_dma.ch); + dmaengine_tx_status(sdd->rx_dma.ch, sdd->rx_dma.cookie, &s); dmaengine_terminate_all(sdd->rx_dma.ch); + dev_err(&spi->dev, "RX residue: %d\n", s.residue); + } } } else { s3c64xx_flush_fifo(sdd); From patchwork Wed Aug 19 12:32:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723883 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3E528739 for ; 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Wed, 19 Aug 2020 12:32:27 +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 Subject: [PATCH 4/8] spi: spi-s3c64xx: Rename S3C64XX_SPI_SLAVE_* to S3C64XX_SPI_CS_* Date: Wed, 19 Aug 2020 14:32:04 +0200 Message-Id: <20200819123208.12337-5-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819123208.12337-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrAKsWRmVeSWpSXmKPExsWy7djPc7q3pW3jDRY8UrRY/OM5k8XGGetZ LaY+fMJm0f/4NbPF+fMb2C1uHlrBaLHp8TVWi8u75rBZzDi/j8mi8eNNdou1R+6yO3B7XF/y idlj06pONo/NS+o9+rasYvT4vEkugDWKyyYlNSezLLVI3y6BK2PLtyamgt8iFbPnNbE3MO4Q 7GLk5JAQMJF4+HUPYxcjF4eQwApGiadN09kgnC+MErdW/GYBqRIS+Mwo0f88BKZjy+9TrBBF yxklpl2+wQZR9JxR4lhXPYjNJuAo0b/0BFiRiMAEJomH596AFTELlEr07DwEZgsLhEs0r1nP BGKzCKhK7D58EizOK2At0bfhCjPENnmJ9uXbweKcAjYSD39NgaoRlDg58wnYdfwCWhJrmq6z QMyXl2jeOpsZZLGEwDl2ibnvN7JDDHKRmH+hjQ3CFpZ4dXwLVFxG4vTkHqBmDiC7XmLyJDOI 3h5GiW1zfrBA1FhL3Dn3iw2khllAU2L9Ln2IsKPEvFlLmCFa+SRuvBWEOIFPYtK26VBhXomO NiGIahWJdf17oAZKSfS+WsE4gVFpFpJnZiF5YBbCrgWMzKsYxVNLi3PTU4sN81LL9YoTc4tL 89L1kvNzNzEC09Hpf8c/7WD8einpEKMAB6MSD2/FOet4IdbEsuLK3EOMEhzMSiK8TmdPxwnx piRWVqUW5ccXleakFh9ilOZgURLnNV70MlZIID2xJDU7NbUgtQgmy8TBKdXA2P/hX2Drk7+f ZA85Gy//vM2V4ZByzNrYyfO2FebeSHqRskBd7kOuYkLsMwbLLx8LGZy3dJzM/ibQa7ZrqqnX 8Y1huRs38T0L2ma/vbRk93a95sjjK+fFbNj36Kp/acOr2Ruk/A6yz/UqsS29xjjNtilIZHb6 5tOrr+94u4j7Q498/+J7PltStJVYijMSDbWYi4oTAX8+/KdDAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrEIsWRmVeSWpSXmKPExsVy+t/xe7q3pW3jDRoPc1ks/vGcyWLjjPWs FlMfPmGz6H/8mtni/PkN7BY3D61gtNj0+BqrxeVdc9gsZpzfx2TR+PEmu8XaI3fZHbg9ri/5 xOyxaVUnm8fmJfUefVtWMXp83iQXwBqlZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwe a2VkqqRvZ5OSmpNZllqkb5egl7HlWxNTwW+RitnzmtgbGHcIdjFyckgImEhs+X2KtYuRi0NI YCmjxNur3UxdjBxACSmJlXPTIWqEJf5c62KDqHnKKDHh9VZGkASbgKNE/9ITYM0iAjOYJJ7c mMwKkmAWKJe4NOs5O4gtLBAq0dx+GqyBRUBVYvfhk2wgNq+AtUTfhivMEBvkJdqXbweLcwrY SDz8NQXMFgKq6Vq8kAmiXlDi5MwnLCDHMQuoS6yfJwQS5hfQkljTdJ0FYq28RPPW2cwTGIVm IemYhdAxC0nVAkbmVYwiqaXFuem5xUZ6xYm5xaV56XrJ+bmbGIHxt+3Yzy07GLveBR9iFOBg VOLhrThnHS/EmlhWXJl7iFGCg1lJhNfp7Ok4Id6UxMqq1KL8+KLSnNTiQ4ymQG9OZJYSTc4H poa8knhDU0NzC0tDc2NzYzMLJXHeDoGDMUIC6YklqdmpqQWpRTB9TBycUg2Mpm9PvFzu82Dh rTOH6xIeTdBJmrXbLlW7pnq9sue0SW6m2+8KaX5fmu4tEXz1FsOlbgeB984ODI9sptWzbj5Y +v/Mhy3Pghu2ue79KHySo3yrZbH3EV8rVYk9609czb5n2GAQL6fcI6G7WpGp+TzDo6nv9unn X+iU2dUirGKqGn962qPNJ6KMlFiKMxINtZiLihMBSsQZWtUCAAA= X-CMS-MailID: 20200819123227eucas1p1f56cc06dc6c368abf2d3952ba04f37e2 X-Msg-Generator: CA X-RootMTR: 20200819123227eucas1p1f56cc06dc6c368abf2d3952ba04f37e2 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200819123227eucas1p1f56cc06dc6c368abf2d3952ba04f37e2 References: <20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083230_177810_273A7F57 X-CRM114-Status: GOOD ( 16.03 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.12 listed in wl.mailspike.net] -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.12 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Rename S3C64XX_SPI_SLAVE_* to S3C64XX_SPI_CS_* to match documentation. Signed-off-by: Łukasz Stelmach Reviewed-by: Krzysztof Kozlowski --- drivers/spi/spi-s3c64xx.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 4ab68cd1b821..6fe896f2be18 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -29,7 +29,7 @@ #define S3C64XX_SPI_CH_CFG 0x00 #define S3C64XX_SPI_CLK_CFG 0x04 #define S3C64XX_SPI_MODE_CFG 0x08 -#define S3C64XX_SPI_SLAVE_SEL 0x0C +#define S3C64XX_SPI_CS_REG 0x0C #define S3C64XX_SPI_INT_EN 0x10 #define S3C64XX_SPI_STATUS 0x14 #define S3C64XX_SPI_TX_DATA 0x18 @@ -64,9 +64,9 @@ #define S3C64XX_SPI_MODE_TXDMA_ON (1<<1) #define S3C64XX_SPI_MODE_4BURST (1<<0) -#define S3C64XX_SPI_SLAVE_AUTO (1<<1) -#define S3C64XX_SPI_SLAVE_SIG_INACT (1<<0) -#define S3C64XX_SPI_SLAVE_NSC_CNT_2 (2<<4) +#define S3C64XX_SPI_CS_NSC_CNT_2 (2<<4) +#define S3C64XX_SPI_CS_AUTO (1<<1) +#define S3C64XX_SPI_CS_SIG_INACT (1<<0) #define S3C64XX_SPI_INT_TRAILING_EN (1<<6) #define S3C64XX_SPI_INT_RX_OVERRUN_EN (1<<5) @@ -312,18 +312,18 @@ static void s3c64xx_spi_set_cs(struct spi_device *spi, bool enable) if (enable) { if (!(sdd->port_conf->quirks & S3C64XX_SPI_QUIRK_CS_AUTO)) { - writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL); + writel(0, sdd->regs + S3C64XX_SPI_CS_REG); } else { - u32 ssel = readl(sdd->regs + S3C64XX_SPI_SLAVE_SEL); + u32 ssel = readl(sdd->regs + S3C64XX_SPI_CS_REG); - ssel |= (S3C64XX_SPI_SLAVE_AUTO | - S3C64XX_SPI_SLAVE_NSC_CNT_2); - writel(ssel, sdd->regs + S3C64XX_SPI_SLAVE_SEL); + ssel |= (S3C64XX_SPI_CS_AUTO | + S3C64XX_SPI_CS_NSC_CNT_2); + writel(ssel, sdd->regs + S3C64XX_SPI_CS_REG); } } else { if (!(sdd->port_conf->quirks & S3C64XX_SPI_QUIRK_CS_AUTO)) - writel(S3C64XX_SPI_SLAVE_SIG_INACT, - sdd->regs + S3C64XX_SPI_SLAVE_SEL); + writel(S3C64XX_SPI_CS_SIG_INACT, + sdd->regs + S3C64XX_SPI_CS_REG); } } @@ -944,9 +944,9 @@ static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd) sdd->cur_speed = 0; if (sci->no_cs) - writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL); + writel(0, sdd->regs + S3C64XX_SPI_CS_REG); else if (!(sdd->port_conf->quirks & S3C64XX_SPI_QUIRK_CS_AUTO)) - writel(S3C64XX_SPI_SLAVE_SIG_INACT, sdd->regs + S3C64XX_SPI_SLAVE_SEL); + writel(S3C64XX_SPI_CS_SIG_INACT, sdd->regs + S3C64XX_SPI_CS_REG); /* Disable Interrupts - we use Polling if not DMA mode */ writel(0, regs + S3C64XX_SPI_INT_EN); From patchwork Wed Aug 19 12:32:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723909 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4D0DA138C for ; Wed, 19 Aug 2020 12:34:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No 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20200819123227eusmtip1ad276b04c9d5ed6d54e90aa7f9368fc6~sq1SKbBed3074630746eusmtip1j; Wed, 19 Aug 2020 12:32:27 +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 Subject: [PATCH 5/8] spi: spi-s3c64xx: Fix doc comment for struct s3c64xx_spi_driver_data Date: Wed, 19 Aug 2020 14:32:05 +0200 Message-Id: <20200819123208.12337-6-l.stelmach@samsung.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200819123208.12337-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrPKsWRmVeSWpSXmKPExsWy7djPc7q3pW3jDV41WVgs/vGcyWLjjPWs FlMfPmGz6H/8mtni/PkN7BY3D61gtNj0+BqrxeVdc9gsZpzfx2TR+PEmu8XaI3fZHbg9ri/5 xOyxaVUnm8fmJfUefVtWMXp83iQXwBrFZZOSmpNZllqkb5fAlfHkhXzBUf6Kmc+XsjYwfubu 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20200819123227eucas1p11cd47cf281a035ed02d5fc819a0370c1 References: <20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083230_168586_48AE5837 X-CRM114-Status: GOOD ( 15.65 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.12 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.12 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Łukasz Stelmach --- drivers/spi/spi-s3c64xx.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 6fe896f2be18..505789f91fdf 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -155,19 +155,21 @@ struct s3c64xx_spi_port_config { * @clk: Pointer to the spi clock. * @src_clk: Pointer to the clock used to generate SPI signals. * @ioclk: Pointer to the i/o clock between master and slave + * @pdev: Pointer to the SPI controller platform device * @master: Pointer to the SPI Protocol master. * @cntrlr_info: Platform specific data for the controller this driver manages. * @lock: Controller specific lock. * @state: Set of FLAGS to indicate status. - * @rx_dmach: Controller's DMA channel for Rx. - * @tx_dmach: Controller's DMA channel for Tx. + * @rx_dma: Controller's DMA channel for Rx. + * @tx_dma: Controller's DMA channel for Tx. * @sfr_start: BUS address of SPI controller regs. * @regs: Pointer to ioremap'ed controller registers. - * @irq: interrupt * @xfer_completion: To indicate completion of xfer task. * @cur_mode: Stores the active configuration of the controller. * @cur_bpw: Stores the active bits per word settings. * @cur_speed: Stores the active xfer clock speed. + * @port_conf: Pointer to the SPI port configuration + * @port_id: SPI port ID number */ struct s3c64xx_spi_driver_data { void __iomem *regs; @@ -176,7 +178,7 @@ struct s3c64xx_spi_driver_data { struct clk *ioclk; struct platform_device *pdev; struct spi_master *master; - struct s3c64xx_spi_info *cntrlr_info; + struct s3c64xx_spi_info *cntrlr_info; spinlock_t lock; unsigned long sfr_start; struct completion xfer_completion; From patchwork Wed Aug 19 12:32:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723905 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D7CC7138C for ; Wed, 19 Aug 2020 12:34:24 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with 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<20200819123208.12337-1-l.stelmach@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200819_083229_910202_FFC9AFE2 X-CRM114-Status: GOOD ( 13.54 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.11 listed in wl.mailspike.net] -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Łukasz Stelmach --- drivers/spi/spi-s3c64xx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 505789f91fdf..27d77600a820 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -273,6 +273,7 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma, struct s3c64xx_spi_driver_data *sdd; struct dma_slave_config config; struct dma_async_tx_descriptor *desc; + int ret; memset(&config, 0, sizeof(config)); @@ -296,11 +297,22 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma, desc = dmaengine_prep_slave_sg(dma->ch, sgt->sgl, sgt->nents, dma->direction, DMA_PREP_INTERRUPT); + if (!desc) { + dev_err(&sdd->pdev->dev, "unable to prepare %s scatterlist", + dma->direction == DMA_DEV_TO_MEM ? "rx" : "tx"); + return; + } desc->callback = s3c64xx_spi_dmacb; desc->callback_param = dma; dma->cookie = dmaengine_submit(desc); + ret = dma_submit_error(dma->cookie); + if (ret) { + dev_err(&sdd->pdev->dev, "dmaengine_submit() failed %d", ret); + return; + } + dma_async_issue_pending(dma->ch); } From patchwork Wed Aug 19 12:32:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723893 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4BAD3739 for ; Wed, 19 Aug 2020 12:33:24 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2452E206FA for ; Wed, 19 Aug 2020 12:33:24 +0000 (UTC) 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Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Łukasz Stelmach --- drivers/spi/spi-s3c64xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 27d77600a820..27db1e0f6f32 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -464,7 +464,8 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd, /* millisecs to xfer 'len' bytes @ 'cur_speed' */ ms = xfer->len * 8 * 1000 / sdd->cur_speed; - ms += 10; /* some tolerance */ + ms = (ms * 10) + 30; /* some tolerance */ + ms = max(ms, 100); /* minimum timeout */ val = msecs_to_jiffies(ms) + 10; val = wait_for_completion_timeout(&sdd->xfer_completion, val); From patchwork Wed Aug 19 12:32:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lukasz Stelmach X-Patchwork-Id: 11723919 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2FA5D138C for ; Wed, 19 Aug 2020 12:34:41 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 08A1C2072D for ; Wed, 19 Aug 2020 12:34:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="evyMl8Qe"; 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List-Post: List-Help: List-Subscribe: , Cc: b.zolnierkie@samsung.com, =?utf-8?q?=C5=81ukasz_Stelmach?= , m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Łukasz Stelmach --- drivers/spi/spi-s3c64xx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 27db1e0f6f32..5dcad43fb847 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1356,6 +1356,10 @@ static int s3c64xx_spi_runtime_resume(struct device *dev) s3c64xx_spi_hwinit(sdd); + writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN | + S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN, + sdd->regs + S3C64XX_SPI_INT_EN); + return 0; err_disable_src_clk: