From patchwork Tue Nov 28 21:38:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 748467 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="QKBAge7S" Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37DDEF9 for ; Tue, 28 Nov 2023 13:40:39 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id 98e67ed59e1d1-280351c32afso5556003a91.1 for ; Tue, 28 Nov 2023 13:40:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1701207639; x=1701812439; 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=NQpgB0hpYD1c6hlujz/aWaKFzOCbCq1mG9ijFrvdnyY=; b=QKBAge7SioihvVYTJUi05Yn5Bn9zeEOnfUYcXt3FvjWfrjySzZRNsKb9E3gQUikNpE 0VWMg4qMHdBvsMqsZEtXSNGLUByzNdV/d+Q0YxbyXZTChLYxKjE8+H13qpuZjm5hCB5v 1RH/TcQydFs38goys7py72n3XAbLte1AHFJcw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701207639; x=1701812439; 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=NQpgB0hpYD1c6hlujz/aWaKFzOCbCq1mG9ijFrvdnyY=; b=r+M0+Z8LXibr/Wgl33+YG6UUbnYfc90O12pjpEoLESSa1OnRZlRtYSsRyw4wzT7OLP vz42tkfrW284fl055jb4yLKFnOlO/yACElsskMRe4WzZRjhEPaRdwlgHLY8oq2MWHwXs UXLDgm1RE90PwCkSQLLseSzO3d1E+NtqDHM0qDvDpFrVBqW67B++hwBjBYH32ckUVPob 6rYEPsw+qoSJuRk1RIyh9jLGSSiOGaiU/LFMYmlLd+QkLr+bPkNm98ptULhPvL2c+4Df M25Mab4uDG25AAIhuDIe9S/LPRtXNfqvEnyyY2AQWVbeRw+GhhfIJsnHejhkUwirkKmz w8Cw== X-Gm-Message-State: AOJu0YyeVs35+pH9eYDYBXcCKJKiAOARy3ZrtIhAhgVFM0rYKOkaM5xL opm+h88tjB2/68QbzS73m4bo+Q== X-Google-Smtp-Source: AGHT+IGdufnfU7w6XiSR48w3M0ObwdgFMLn6/XHezYmblLJU9cYVtIEIq/y+ik+j5vFBauLTdJDobA== X-Received: by 2002:a17:90b:4c50:b0:285:8407:6152 with SMTP id np16-20020a17090b4c5000b0028584076152mr17639969pjb.8.1701207638788; Tue, 28 Nov 2023 13:40:38 -0800 (PST) Received: from tictac2.mtv.corp.google.com ([2620:15c:9d:2:fc3a:13ce:3ee3:339f]) by smtp.gmail.com with ESMTPSA id ie24-20020a17090b401800b002609cadc56esm9634285pjb.11.2023.11.28.13.40.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 13:40:38 -0800 (PST) From: Douglas Anderson To: Jakub Kicinski , Hayes Wang , "David S . Miller" Cc: Laura Nao , Edward Hill , Alan Stern , Grant Grundler , linux-usb@vger.kernel.org, Simon Horman , Douglas Anderson , =?utf-8?q?Bj=C3=B8rn_Mork?= , Eric Dumazet , Paolo Abeni , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net v2 5/5] r8152: Add RTL8152_INACCESSIBLE to r8153_aldps_en() Date: Tue, 28 Nov 2023 13:38:14 -0800 Message-ID: <20231128133811.net.v2.5.I1306b6432228404d6e61b2d43c2f71885292e972@changeid> X-Mailer: git-send-email 2.43.0.rc1.413.gea7ed67945-goog In-Reply-To: <20231128133811.net.v2.1.I77097aa9ec01aeca1b3c75fde4ba5007a17fdf76@changeid> References: <20231128133811.net.v2.1.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_aldps_en(). Fixes: 4214cc550bf9 ("r8152: check if disabling ALDPS is finished") Reviewed-by: Grant Grundler Signed-off-by: Douglas Anderson --- 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 26db3f6b3aa1..aca7dd7b4090 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -5803,6 +5803,8 @@ static void r8153_aldps_en(struct r8152 *tp, bool enable) data &= ~EN_ALDPS; ocp_reg_write(tp, OCP_POWER_CFG, data); for (i = 0; i < 20; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return; usleep_range(1000, 2000); if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100) break;