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=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 C1131C43464 for ; Mon, 21 Sep 2020 06:17:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CF1320866 for ; Mon, 21 Sep 2020 06:17:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="kbJ4MNvs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726333AbgIUGRG (ORCPT ); Mon, 21 Sep 2020 02:17:06 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:32638 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726011AbgIUGRF (ORCPT ); Mon, 21 Sep 2020 02:17:05 -0400 X-UUID: cefb740919664e95868c211ba93a897d-20200921 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qI3X9MwE9sMRTnQRdhPZhEZddjHAueHKnEny+Zk541Y=; b=kbJ4MNvsBOgJQ+AIltUz3w/dMmKx8/gWAgYwmGoOFMj4CJv5aGc6tMaLJ/80FMTgtRHZaQk/OLv4cUufCMfE8bHiBPtnat86dgJkSlgGNKfCKpu1GvjhrzJKtv8DUz8CUnYbFsHPFV8rWFHjaP1WECK6J9YheAKhtoUmXdqjPuI=; X-UUID: cefb740919664e95868c211ba93a897d-20200921 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2077247481; Mon, 21 Sep 2020 14:17:00 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by MTKMBS31DR.mediatek.inc (172.27.6.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 21 Sep 2020 14:16:59 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 21 Sep 2020 14:16:57 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi CC: Mathias Nyman , Matthias Brugger , Chunfeng Yun , "Eric W. Biederman" , Sumit Garg , Lee Jones , Jann Horn , Jason Yan , Arnd Bergmann , Chuhong Yuan , "Gustavo A. R. Silva" , "Ben Dooks (Codethink)" , Saurav Girepunje , , , , , Sergei Shtylyov , Daniel Thompson , Mathias Nyman Subject: [PATCH v4 03/11] usb: pci-quirks: convert to readl_poll_timeout_atomic() Date: Mon, 21 Sep 2020 14:13:27 +0800 Message-ID: <1600668815-12135-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> References: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 421069FA6C9AA675FB54CB2DE9B79D16F9C9FB5D8FC8F7F833225D52AF36DAA72000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VXNlIHJlYWRsX3BvbGxfdGltZW91dF9hdG9taWMoKSB0byBzaW1wbGlmeSBjb2RlDQoNCkNjOiBN YXRoaWFzIE55bWFuIDxtYXRoaWFzLm55bWFuQGxpbnV4LmludGVsLmNvbT4NClNpZ25lZC1vZmYt Ynk6IENodW5mZW5nIFl1biA8Y2h1bmZlbmcueXVuQG1lZGlhdGVrLmNvbT4NCi0tLQ0KdjJ+djQ6 IG5vIGNoYW5nZXMNCi0tLQ0KIGRyaXZlcnMvdXNiL2hvc3QvcGNpLXF1aXJrcy5jIHwgMTMgKysr Ky0tLS0tLS0tLQ0KIDEgZmlsZSBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDkgZGVsZXRpb25z KC0pDQoNCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3BjaS1xdWlya3MuYyBiL2RyaXZl cnMvdXNiL2hvc3QvcGNpLXF1aXJrcy5jDQppbmRleCBiODk2MWMwLi44OTIwNTY2IDEwMDY0NA0K LS0tIGEvZHJpdmVycy91c2IvaG9zdC9wY2ktcXVpcmtzLmMNCisrKyBiL2RyaXZlcnMvdXNiL2hv c3QvcGNpLXF1aXJrcy5jDQpAQCAtMTYsNiArMTYsNyBAQA0KICNpbmNsdWRlIDxsaW51eC9leHBv cnQuaD4NCiAjaW5jbHVkZSA8bGludXgvYWNwaS5oPg0KICNpbmNsdWRlIDxsaW51eC9kbWkuaD4N CisjaW5jbHVkZSA8bGludXgvaW9wb2xsLmg+DQogDQogI2luY2x1ZGUgPHNvYy9iY20yODM1L3Jh c3BiZXJyeXBpLWZpcm13YXJlLmg+DQogDQpAQCAtMTAxMiwxNSArMTAxMyw5IEBAIHN0YXRpYyBp bnQgaGFuZHNoYWtlKHZvaWQgX19pb21lbSAqcHRyLCB1MzIgbWFzaywgdTMyIGRvbmUsDQogew0K IAl1MzIJcmVzdWx0Ow0KIA0KLQlkbyB7DQotCQlyZXN1bHQgPSByZWFkbChwdHIpOw0KLQkJcmVz dWx0ICY9IG1hc2s7DQotCQlpZiAocmVzdWx0ID09IGRvbmUpDQotCQkJcmV0dXJuIDA7DQotCQl1 ZGVsYXkoZGVsYXlfdXNlYyk7DQotCQl3YWl0X3VzZWMgLT0gZGVsYXlfdXNlYzsNCi0JfSB3aGls ZSAod2FpdF91c2VjID4gMCk7DQotCXJldHVybiAtRVRJTUVET1VUOw0KKwlyZXR1cm4gcmVhZGxf cG9sbF90aW1lb3V0X2F0b21pYyhwdHIsIHJlc3VsdCwNCisJCQkJCSAoKHJlc3VsdCAmIG1hc2sp ID09IGRvbmUpLA0KKwkJCQkJIGRlbGF5X3VzZWMsIHdhaXRfdXNlYyk7DQogfQ0KIA0KIC8qDQot LSANCjEuOS4xDQo= 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=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 D6C33C43463 for ; 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Mon, 21 Sep 2020 14:16:59 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 21 Sep 2020 14:16:57 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi Subject: [PATCH v4 03/11] usb: pci-quirks: convert to readl_poll_timeout_atomic() Date: Mon, 21 Sep 2020 14:13:27 +0800 Message-ID: <1600668815-12135-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> References: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 421069FA6C9AA675FB54CB2DE9B79D16F9C9FB5D8FC8F7F833225D52AF36DAA72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200921_022440_380161_9178AFC6 X-CRM114-Status: GOOD ( 14.17 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sumit Garg , Daniel Thompson , linux-usb@vger.kernel.org, Mathias Nyman , Arnd Bergmann , Mathias Nyman , Jann Horn , Jason Yan , Chuhong Yuan , "Gustavo A. R. Silva" , linux-kernel@vger.kernel.org, Saurav Girepunje , Chunfeng Yun , "Ben Dooks \(Codethink\)" , linux-mediatek@lists.infradead.org, "Eric W. Biederman" , Matthias Brugger , Lee Jones , Sergei Shtylyov , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Use readl_poll_timeout_atomic() to simplify code Cc: Mathias Nyman Signed-off-by: Chunfeng Yun --- v2~v4: no changes --- drivers/usb/host/pci-quirks.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index b8961c0..8920566 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -16,6 +16,7 @@ #include #include #include +#include #include @@ -1012,15 +1013,9 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, { u32 result; - do { - result = readl(ptr); - result &= mask; - if (result == done) - return 0; - udelay(delay_usec); - wait_usec -= delay_usec; - } while (wait_usec > 0); - return -ETIMEDOUT; + return readl_poll_timeout_atomic(ptr, result, + ((result & mask) == done), + delay_usec, wait_usec); } /* -- 1.9.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 24365C43463 for ; Mon, 21 Sep 2020 06:26:22 +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 BA77420708 for ; 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Mon, 21 Sep 2020 14:16:57 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi Subject: [PATCH v4 03/11] usb: pci-quirks: convert to readl_poll_timeout_atomic() Date: Mon, 21 Sep 2020 14:13:27 +0800 Message-ID: <1600668815-12135-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> References: <1600668815-12135-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 421069FA6C9AA675FB54CB2DE9B79D16F9C9FB5D8FC8F7F833225D52AF36DAA72000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200921_022440_380161_9178AFC6 X-CRM114-Status: GOOD ( 14.17 ) 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: Sumit Garg , Daniel Thompson , linux-usb@vger.kernel.org, Mathias Nyman , Arnd Bergmann , Mathias Nyman , Jann Horn , Jason Yan , Chuhong Yuan , "Gustavo A. R. Silva" , linux-kernel@vger.kernel.org, Saurav Girepunje , Chunfeng Yun , "Ben Dooks \(Codethink\)" , linux-mediatek@lists.infradead.org, "Eric W. Biederman" , Matthias Brugger , Lee Jones , Sergei Shtylyov , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use readl_poll_timeout_atomic() to simplify code Cc: Mathias Nyman Signed-off-by: Chunfeng Yun --- v2~v4: no changes --- drivers/usb/host/pci-quirks.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index b8961c0..8920566 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -16,6 +16,7 @@ #include #include #include +#include #include @@ -1012,15 +1013,9 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, { u32 result; - do { - result = readl(ptr); - result &= mask; - if (result == done) - return 0; - udelay(delay_usec); - wait_usec -= delay_usec; - } while (wait_usec > 0); - return -ETIMEDOUT; + return readl_poll_timeout_atomic(ptr, result, + ((result & mask) == done), + delay_usec, wait_usec); } /* -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel