Message ID | 1599726112-4439-3-git-send-email-chunfeng.yun@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=/Wce=CT=lists.infradead.org=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@kernel.org> 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 E1503112E for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 10 Sep 2020 08:34:56 +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 ABF6D2076C for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 10 Sep 2020 08:34:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lMk23Q02"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QWg6OrEs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABF6D2076C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Rhm0cJ3er7RoZFQQf9O60IW2fM+bS9lpIQIuJOY/o78=; b=lMk23Q0240llGMYwbxiN0E7TL NONpQ3ScZgJ4K6RBBCq/wFD4emjfbP/3fUQjDkUgRbdvM2v5w5S6ytU+MHjSqPOW47zJYAQD7QzIw Lgcwr3DWYS+N0SDNDl6+Z4yMVqVR01p4tLinPJibchbd3HRXKb1SOqcumiJnEZb9pVWtLakqtuVb5 38YeEsiIn0FtojGrrEtDz5ZP79KUuahmhRmlTY6uhLQZZftc5giEZ3kP9uvr1qA+SUH7fAhEO5O9g C/sbTQukKEbnhfJmI1b12ZUiHPscCEctvd0xzd4fGe5VHFhfV0bfF+tY5RdbOR+iTjRPKKs//g2Th h79dXq0Nw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kGI2W-0005r9-9N; Thu, 10 Sep 2020 08:34:44 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kGI21-0005cS-Lu; Thu, 10 Sep 2020 08:34:15 +0000 X-UUID: ec7fa9ae38994de0902f9d92265d4579-20200910 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=vQDriCyMjYjM6pnqq6iAk0QyjJohTMSr6/4Cj53MUf4=; b=QWg6OrEsBgrQJIPQ4FPLIqclb6+vGLN1mcKLMLDKgni7as1z0xSOlWFeaIbjOCMyd0ZIZMFOpI78+4EzgBxD6yleUI0aGj6SntzfsdejCEucotiROoKdB7pcHe0OY3cVlJDnnP/ouTPsNQp0aNZgpoDx4BG8hCjOkNtD8NA+e+c=; X-UUID: ec7fa9ae38994de0902f9d92265d4579-20200910 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from <chunfeng.yun@mediatek.com>) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 857595721; Thu, 10 Sep 2020 00:34:05 -0800 Received: from MTKMBS31DR.mediatek.inc (172.27.6.102) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 10 Sep 2020 01:24:04 -0700 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; Thu, 10 Sep 2020 16:24:01 +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; Thu, 10 Sep 2020 16:24:00 +0800 From: Chunfeng Yun <chunfeng.yun@mediatek.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Subject: [PATCH RESEND v3 03/11] usb: pci-quirks: convert to readl_poll_timeout_atomic() Date: Thu, 10 Sep 2020 16:21:44 +0800 Message-ID: <1599726112-4439-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1599726112-4439-1-git-send-email-chunfeng.yun@mediatek.com> References: <1599726112-4439-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: D8E101BFE2F788B63AD5617A9332290E2362D4EC28CE6A38C9B5E42E2FA50F632000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200910_043413_891525_EE29969B X-CRM114-Status: GOOD ( 14.14 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -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 -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Felipe Balbi <balbi@kernel.org>, Daniel Thompson <daniel.thompson@linaro.org>, linux-usb@vger.kernel.org, Mathias Nyman <mathias.nyman@linux.intel.com>, Arnd Bergmann <arnd@arndb.de>, Mathias Nyman <mathias.nyman@intel.com>, Sumit Garg <sumit.garg@linaro.org>, linux-kernel@vger.kernel.org, Jann Horn <jannh@google.com>, Chuhong Yuan <hslester96@gmail.com>, Douglas Anderson <dianders@chromium.org>, "Gustavo A. R. Silva" <gustavoars@kernel.org>, Saurav Girepunje <saurav.girepunje@gmail.com>, Chunfeng Yun <chunfeng.yun@mediatek.com>, Jason Yan <yanaijie@huawei.com>, linux-mediatek@lists.infradead.org, "Eric W. Biederman" <ebiederm@xmission.com>, Matthias Brugger <matthias.bgg@gmail.com>, Lee Jones <lee.jones@linaro.org>, Ben Dooks <ben.dooks@codethink.co.uk>, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
[RESEND,v3,01/11] usb: early: convert to readl_poll_timeout_atomic()
|
expand
|
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 <linux/export.h> #include <linux/acpi.h> #include <linux/dmi.h> +#include <linux/iopoll.h> #include <soc/bcm2835/raspberrypi-firmware.h> @@ -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); } /*
Use readl_poll_timeout_atomic() to simplify code Cc: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v2~v3: no changes --- drivers/usb/host/pci-quirks.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-)