From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v1,03/15] Revert "dmaengine: imx-sdma: refine to load context only once" From: Robin Gong Message-Id: <1556027045-5269-4-git-send-email-yibin.gong@nxp.com> Date: Tue, 23 Apr 2019 13:50:50 +0000 To: "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "sean.nyekjaer@prevas.dk" Cc: dl-linux-imx , "linux-spi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" List-ID: VGhpcyByZXZlcnRzIGNvbW1pdCBhZDBkOTJkN2JhNmFlY2JlMjcwNTkwN2MzOGZmOGQ4YmU0ZGEx ZTljLCBiZWNhdXNlDQppbiBzcGktaW14IGNhc2UsIGJ1cnN0IGxlbmd0aCBtYXkgYmUgY2hhbmdl ZCBkeW5hbWljYWxseS4NCg0KU2lnbmVkLW9mZi1ieTogUm9iaW4gR29uZyA8eWliaW4uZ29uZ0Bu eHAuY29tPg0KLS0tDQogZHJpdmVycy9kbWEvaW14LXNkbWEuYyB8IDcgLS0tLS0tLQ0KIDEgZmls ZSBjaGFuZ2VkLCA3IGRlbGV0aW9ucygtKQ0KDQotLSANCjIuNy40CgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9kbWEvaW14LXNkbWEuYyBiL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMNCmluZGV4IDk5ZDlm NDMuLjQwN2E1NmUgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL2RtYS9pbXgtc2RtYS5jDQorKysgYi9k cml2ZXJzL2RtYS9pbXgtc2RtYS5jDQpAQCAtMzc3LDcgKzM3Nyw2IEBAIHN0cnVjdCBzZG1hX2No YW5uZWwgew0KIAl1bnNpZ25lZCBsb25nCQkJd2F0ZXJtYXJrX2xldmVsOw0KIAl1MzIJCQkJc2hw X2FkZHIsIHBlcl9hZGRyOw0KIAllbnVtIGRtYV9zdGF0dXMJCQlzdGF0dXM7DQotCWJvb2wJCQkJ Y29udGV4dF9sb2FkZWQ7DQogCXN0cnVjdCBpbXhfZG1hX2RhdGEJCWRhdGE7DQogCXN0cnVjdCB3 b3JrX3N0cnVjdAkJdGVybWluYXRlX3dvcmtlcjsNCiB9Ow0KQEAgLTk4OCw5ICs5ODcsNiBAQCBz dGF0aWMgaW50IHNkbWFfbG9hZF9jb250ZXh0KHN0cnVjdCBzZG1hX2NoYW5uZWwgKnNkbWFjKQ0K IAlpbnQgcmV0Ow0KIAl1bnNpZ25lZCBsb25nIGZsYWdzOw0KIA0KLQlpZiAoc2RtYWMtPmNvbnRl eHRfbG9hZGVkKQ0KLQkJcmV0dXJuIDA7DQotDQogCWlmIChzZG1hYy0+ZGlyZWN0aW9uID09IERN QV9ERVZfVE9fTUVNKQ0KIAkJbG9hZF9hZGRyZXNzID0gc2RtYWMtPnBjX2Zyb21fZGV2aWNlOw0K IAllbHNlIGlmIChzZG1hYy0+ZGlyZWN0aW9uID09IERNQV9ERVZfVE9fREVWKQ0KQEAgLTEwMzMs OCArMTAyOSw2IEBAIHN0YXRpYyBpbnQgc2RtYV9sb2FkX2NvbnRleHQoc3RydWN0IHNkbWFfY2hh bm5lbCAqc2RtYWMpDQogDQogCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJnNkbWEtPmNoYW5uZWxf MF9sb2NrLCBmbGFncyk7DQogDQotCXNkbWFjLT5jb250ZXh0X2xvYWRlZCA9IHRydWU7DQotDQog CXJldHVybiByZXQ7DQogfQ0KIA0KQEAgLTEwNzQsNyArMTA2OCw2IEBAIHN0YXRpYyB2b2lkIHNk bWFfY2hhbm5lbF90ZXJtaW5hdGVfd29yayhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspDQogCXNk bWFjLT5kZXNjID0gTlVMTDsNCiAJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmc2RtYWMtPnZjLmxv Y2ssIGZsYWdzKTsNCiAJdmNoYW5fZG1hX2Rlc2NfZnJlZV9saXN0KCZzZG1hYy0+dmMsICZoZWFk KTsNCi0Jc2RtYWMtPmNvbnRleHRfbG9hZGVkID0gZmFsc2U7DQogfQ0KIA0KIHN0YXRpYyBpbnQg c2RtYV9kaXNhYmxlX2NoYW5uZWxfYXN5bmMoc3RydWN0IGRtYV9jaGFuICpjaGFuKQ0K From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C708C10F14 for ; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: IImAdT2rTldZKHduYiJCEXu0WHBpmnVmIOOSl+PkPRpzqkPxOTZP9Pfs7iSy16xpFv2vJO6TQb/zKI+H6YcZ9kr2BRrXo26kG2GNlbmnUMv/V4A/lBft0buujNeyZ4Nb79zV0dvywIuRi0WcezSZSp4drUwp8OIeXjFbuhToNIv7ILCu5qyH4JaHpi7SNMym7qBb9jG23u5q9n9yA2Mgb5HGDmsc3uH2pkl2w8uWMBzBa7swjz5E4bodDPiLIr4ZJ4yEbtKF1r5W6FP5B/ynYZ0VAM+C4z+uW9qM23iGazqhqggXnospk9ihYo1Q1Ixd3aJQ9jUJSn85RDqwx/PWtC5QaknlmWyxpl28CDMc2szIFFx5F7rcjJV9iKPIcoqfHJjb9glbGBhTt+x62Zzx+car7eXBWI2ROI7VW/E9sHc= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a2355795-1a6b-4c9d-1e91-08d6c7f2b23b X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Apr 2019 13:50:50.8757 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB5901 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Message-ID: <20190423135050.sMVM4T0OD4-sX14GgOOlaIyw024OcA79mm9kqqiWg68@z> VGhpcyByZXZlcnRzIGNvbW1pdCBhZDBkOTJkN2JhNmFlY2JlMjcwNTkwN2MzOGZmOGQ4YmU0ZGEx ZTljLCBiZWNhdXNlDQppbiBzcGktaW14IGNhc2UsIGJ1cnN0IGxlbmd0aCBtYXkgYmUgY2hhbmdl ZCBkeW5hbWljYWxseS4NCg0KU2lnbmVkLW9mZi1ieTogUm9iaW4gR29uZyA8eWliaW4uZ29uZ0Bu eHAuY29tPg0KLS0tDQogZHJpdmVycy9kbWEvaW14LXNkbWEuYyB8IDcgLS0tLS0tLQ0KIDEgZmls ZSBjaGFuZ2VkLCA3IGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvaW14 LXNkbWEuYyBiL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMNCmluZGV4IDk5ZDlmNDMuLjQwN2E1NmUg MTAwNjQ0DQotLS0gYS9kcml2ZXJzL2RtYS9pbXgtc2RtYS5jDQorKysgYi9kcml2ZXJzL2RtYS9p bXgtc2RtYS5jDQpAQCAtMzc3LDcgKzM3Nyw2IEBAIHN0cnVjdCBzZG1hX2NoYW5uZWwgew0KIAl1 bnNpZ25lZCBsb25nCQkJd2F0ZXJtYXJrX2xldmVsOw0KIAl1MzIJCQkJc2hwX2FkZHIsIHBlcl9h ZGRyOw0KIAllbnVtIGRtYV9zdGF0dXMJCQlzdGF0dXM7DQotCWJvb2wJCQkJY29udGV4dF9sb2Fk ZWQ7DQogCXN0cnVjdCBpbXhfZG1hX2RhdGEJCWRhdGE7DQogCXN0cnVjdCB3b3JrX3N0cnVjdAkJ dGVybWluYXRlX3dvcmtlcjsNCiB9Ow0KQEAgLTk4OCw5ICs5ODcsNiBAQCBzdGF0aWMgaW50IHNk bWFfbG9hZF9jb250ZXh0KHN0cnVjdCBzZG1hX2NoYW5uZWwgKnNkbWFjKQ0KIAlpbnQgcmV0Ow0K IAl1bnNpZ25lZCBsb25nIGZsYWdzOw0KIA0KLQlpZiAoc2RtYWMtPmNvbnRleHRfbG9hZGVkKQ0K LQkJcmV0dXJuIDA7DQotDQogCWlmIChzZG1hYy0+ZGlyZWN0aW9uID09IERNQV9ERVZfVE9fTUVN KQ0KIAkJbG9hZF9hZGRyZXNzID0gc2RtYWMtPnBjX2Zyb21fZGV2aWNlOw0KIAllbHNlIGlmIChz ZG1hYy0+ZGlyZWN0aW9uID09IERNQV9ERVZfVE9fREVWKQ0KQEAgLTEwMzMsOCArMTAyOSw2IEBA IHN0YXRpYyBpbnQgc2RtYV9sb2FkX2NvbnRleHQoc3RydWN0IHNkbWFfY2hhbm5lbCAqc2RtYWMp DQogDQogCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJnNkbWEtPmNoYW5uZWxfMF9sb2NrLCBmbGFn cyk7DQogDQotCXNkbWFjLT5jb250ZXh0X2xvYWRlZCA9IHRydWU7DQotDQogCXJldHVybiByZXQ7 DQogfQ0KIA0KQEAgLTEwNzQsNyArMTA2OCw2IEBAIHN0YXRpYyB2b2lkIHNkbWFfY2hhbm5lbF90 ZXJtaW5hdGVfd29yayhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspDQogCXNkbWFjLT5kZXNjID0g TlVMTDsNCiAJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmc2RtYWMtPnZjLmxvY2ssIGZsYWdzKTsN CiAJdmNoYW5fZG1hX2Rlc2NfZnJlZV9saXN0KCZzZG1hYy0+dmMsICZoZWFkKTsNCi0Jc2RtYWMt PmNvbnRleHRfbG9hZGVkID0gZmFsc2U7DQogfQ0KIA0KIHN0YXRpYyBpbnQgc2RtYV9kaXNhYmxl X2NoYW5uZWxfYXN5bmMoc3RydWN0IGRtYV9jaGFuICpjaGFuKQ0KLS0gDQoyLjcuNA0KDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Gong Subject: [PATCH v1 03/15] Revert "dmaengine: imx-sdma: refine to load context only once" Date: Tue, 23 Apr 2019 13:50:50 +0000 Message-ID: <1556027045-5269-4-git-send-email-yibin.gong@nxp.com> References: <1556027045-5269-1-git-send-email-yibin.gong@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1556027045-5269-1-git-send-email-yibin.gong@nxp.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: "broonie@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "festevam@gmail.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "u.kleine-koenig@pengutronix.de" , "plyatov@gmail.com" , "sean.nyekjaer@prevas.dk" Cc: dl-linux-imx , "linux-spi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dmaengine@vger.kernel.org" , "devicetree@vger.kernel.org" , "kernel@pengutronix.de" List-Id: devicetree@vger.kernel.org VGhpcyByZXZlcnRzIGNvbW1pdCBhZDBkOTJkN2JhNmFlY2JlMjcwNTkwN2MzOGZmOGQ4YmU0ZGEx ZTljLCBiZWNhdXNlDQppbiBzcGktaW14IGNhc2UsIGJ1cnN0IGxlbmd0aCBtYXkgYmUgY2hhbmdl ZCBkeW5hbWljYWxseS4NCg0KU2lnbmVkLW9mZi1ieTogUm9iaW4gR29uZyA8eWliaW4uZ29uZ0Bu eHAuY29tPg0KLS0tDQogZHJpdmVycy9kbWEvaW14LXNkbWEuYyB8IDcgLS0tLS0tLQ0KIDEgZmls ZSBjaGFuZ2VkLCA3IGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9kbWEvaW14 LXNkbWEuYyBiL2RyaXZlcnMvZG1hL2lteC1zZG1hLmMNCmluZGV4IDk5ZDlmNDMuLjQwN2E1NmUg MTAwNjQ0DQotLS0gYS9kcml2ZXJzL2RtYS9pbXgtc2RtYS5jDQorKysgYi9kcml2ZXJzL2RtYS9p bXgtc2RtYS5jDQpAQCAtMzc3LDcgKzM3Nyw2IEBAIHN0cnVjdCBzZG1hX2NoYW5uZWwgew0KIAl1 bnNpZ25lZCBsb25nCQkJd2F0ZXJtYXJrX2xldmVsOw0KIAl1MzIJCQkJc2hwX2FkZHIsIHBlcl9h ZGRyOw0KIAllbnVtIGRtYV9zdGF0dXMJCQlzdGF0dXM7DQotCWJvb2wJCQkJY29udGV4dF9sb2Fk ZWQ7DQogCXN0cnVjdCBpbXhfZG1hX2RhdGEJCWRhdGE7DQogCXN0cnVjdCB3b3JrX3N0cnVjdAkJ dGVybWluYXRlX3dvcmtlcjsNCiB9Ow0KQEAgLTk4OCw5ICs5ODcsNiBAQCBzdGF0aWMgaW50IHNk bWFfbG9hZF9jb250ZXh0KHN0cnVjdCBzZG1hX2NoYW5uZWwgKnNkbWFjKQ0KIAlpbnQgcmV0Ow0K IAl1bnNpZ25lZCBsb25nIGZsYWdzOw0KIA0KLQlpZiAoc2RtYWMtPmNvbnRleHRfbG9hZGVkKQ0K LQkJcmV0dXJuIDA7DQotDQogCWlmIChzZG1hYy0+ZGlyZWN0aW9uID09IERNQV9ERVZfVE9fTUVN KQ0KIAkJbG9hZF9hZGRyZXNzID0gc2RtYWMtPnBjX2Zyb21fZGV2aWNlOw0KIAllbHNlIGlmIChz ZG1hYy0+ZGlyZWN0aW9uID09IERNQV9ERVZfVE9fREVWKQ0KQEAgLTEwMzMsOCArMTAyOSw2IEBA IHN0YXRpYyBpbnQgc2RtYV9sb2FkX2NvbnRleHQoc3RydWN0IHNkbWFfY2hhbm5lbCAqc2RtYWMp DQogDQogCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJnNkbWEtPmNoYW5uZWxfMF9sb2NrLCBmbGFn cyk7DQogDQotCXNkbWFjLT5jb250ZXh0X2xvYWRlZCA9IHRydWU7DQotDQogCXJldHVybiByZXQ7 DQogfQ0KIA0KQEAgLTEwNzQsNyArMTA2OCw2IEBAIHN0YXRpYyB2b2lkIHNkbWFfY2hhbm5lbF90 ZXJtaW5hdGVfd29yayhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspDQogCXNkbWFjLT5kZXNjID0g TlVMTDsNCiAJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmc2RtYWMtPnZjLmxvY2ssIGZsYWdzKTsN CiAJdmNoYW5fZG1hX2Rlc2NfZnJlZV9saXN0KCZzZG1hYy0+dmMsICZoZWFkKTsNCi0Jc2RtYWMt PmNvbnRleHRfbG9hZGVkID0gZmFsc2U7DQogfQ0KIA0KIHN0YXRpYyBpbnQgc2RtYV9kaXNhYmxl X2NoYW5uZWxfYXN5bmMoc3RydWN0IGRtYV9jaGFuICpjaGFuKQ0KLS0gDQoyLjcuNA0KDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32991C10F14 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This reverts commit ad0d92d7ba6aecbe2705907c38ff8d8be4da1e9c, because in spi-imx case, burst length may be changed dynamically. Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 99d9f43..407a56e 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -377,7 +377,6 @@ struct sdma_channel { unsigned long watermark_level; u32 shp_addr, per_addr; enum dma_status status; - bool context_loaded; struct imx_dma_data data; struct work_struct terminate_worker; }; @@ -988,9 +987,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) int ret; unsigned long flags; - if (sdmac->context_loaded) - return 0; - if (sdmac->direction == DMA_DEV_TO_MEM) load_address = sdmac->pc_from_device; else if (sdmac->direction == DMA_DEV_TO_DEV) @@ -1033,8 +1029,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) spin_unlock_irqrestore(&sdma->channel_0_lock, flags); - sdmac->context_loaded = true; - return ret; } @@ -1074,7 +1068,6 @@ static void sdma_channel_terminate_work(struct work_struct *work) sdmac->desc = NULL; spin_unlock_irqrestore(&sdmac->vc.lock, flags); vchan_dma_desc_free_list(&sdmac->vc, &head); - sdmac->context_loaded = false; } static int sdma_disable_channel_async(struct dma_chan *chan) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel