From patchwork Wed Nov 29 21:25:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 748463 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="LKw4kFTK" Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48DA910D7 for ; Wed, 29 Nov 2023 13:26:28 -0800 (PST) Received: by mail-pf1-x433.google.com with SMTP id d2e1a72fcca58-6cde104293fso261552b3a.0 for ; Wed, 29 Nov 2023 13:26:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1701293188; x=1701897988; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YbdqD7No7SCueAxJzZPzHLsBDwHJFNtjAFZMErwtoME=; b=LKw4kFTKjkUYR/kWCjARKDyu5veQQCEcUP2K1je3QBwvmlW6e6ceZ67Rf0IGyDpAly ByojlZg1en/fr8ZOPzWdq7gyZeS3/iHEW54WLHwxVcE41eTkpRYGlcrkoqYbfkZLVVx4 IHfOJsXjCA74y9yYlzAJ8KoHaGlVN7fflVfgg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701293188; x=1701897988; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YbdqD7No7SCueAxJzZPzHLsBDwHJFNtjAFZMErwtoME=; b=gCHQnopNgwF/Ij6hgMxuHLoZY1lIyLOjI4t5doPU5KcQcSeGW0Jjwmismy/hPluemY A6P9ej0g5dacmVePdw+XHpyjsof5P3Pbd2bKqZH99K+NEmO29hwbzRoPzcKs/AeXWsNR 0V1NTxMLNUaFNpn+/vxepnZlVNuVTmkgA8o6yPdGwUP1HKj9mW+UOjfWrKcWfB8ewTrV g+8nHLIaqYc579oJi1C6bWWoiKnOQl0iwzlI+srEcmAGj2p9WE53GAAL/X8Tm5v+VqWg CQDwkzblxlYXT8bR5cTDXC+V22CGDKcMG6Py/Et/d6B9XlKJJ6Qehpb3LysCmJPst7Pk R2JA== X-Gm-Message-State: AOJu0YwJ1uF7tOEHnzUZgzlnesyNVQIOiw/tTLQ1afuu62WZAkiQYPth bxAVXDFiInOf4sbXH1Vf3G8G6w== X-Google-Smtp-Source: AGHT+IFXh72Ob5MZoR1IO4drHKAFb3RU/RoEmTYcsZkGZDGolKQYx2LRSlR1gen1SPs2SxAZlWPErQ== X-Received: by 2002:a05:6a20:1581:b0:18c:c37:35fb with SMTP id h1-20020a056a20158100b0018c0c3735fbmr19950181pzj.40.1701293187747; Wed, 29 Nov 2023 13:26:27 -0800 (PST) Received: from tictac2.mtv.corp.google.com ([2620:15c:9d:2:dcf:15e4:5f50:e692]) by smtp.gmail.com with ESMTPSA id t22-20020a634616000000b005c215baacc1sm11816336pga.70.2023.11.29.13.26.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Nov 2023 13:26:27 -0800 (PST) From: Douglas Anderson To: Jakub Kicinski , Hayes Wang , "David S . Miller" Cc: linux-usb@vger.kernel.org, Grant Grundler , Laura Nao , Edward Hill , Alan Stern , Simon Horman , Douglas Anderson , =?utf-8?q?Bj=C3=B8rn_Mork?= , Eric Dumazet , Paolo Abeni , Prashant Malani , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net v3 4/5] r8152: Add RTL8152_INACCESSIBLE to r8153_pre_firmware_1() Date: Wed, 29 Nov 2023 13:25:23 -0800 Message-ID: <20231129132521.net.v3.4.I9c7bfe6fb76850f0323b3996e25a10ef0281fb7a@changeid> X-Mailer: git-send-email 2.43.0.rc1.413.gea7ed67945-goog In-Reply-To: <20231129132521.net.v3.1.I77097aa9ec01aeca1b3c75fde4ba5007a17fdf76@changeid> References: <20231129132521.net.v3.1.I77097aa9ec01aeca1b3c75fde4ba5007a17fdf76@changeid> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Delay loops in r8152 should break out if RTL8152_INACCESSIBLE is set so that they don't delay too long if the device becomes inaccessible. Add the break to the loop in r8153_pre_firmware_1(). Fixes: 9370f2d05a2a ("r8152: support request_firmware for RTL8153") Reviewed-by: Grant Grundler Signed-off-by: Douglas Anderson Acked-by: Hayes Wang --- (no changes since v2) Changes in v2: - Added Fixes tag to RTL8152_INACCESSIBLE patches. - Split RTL8152_INACCESSIBLE patches by the commit the loop came from. drivers/net/usb/r8152.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index c4dd81e2421f..3958eb622d47 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -5645,6 +5645,8 @@ static int r8153_pre_firmware_1(struct r8152 *tp) for (i = 0; i < 104; i++) { u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL); + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return -ENODEV; if (!(ocp_data & WTD1_EN)) break; usleep_range(1000, 2000);