From patchwork Fri Dec 8 06:58:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13484933 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ZBAeNsBY" Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DF5A172E for ; Thu, 7 Dec 2023 22:59:57 -0800 (PST) Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-1d08a924fcfso16146245ad.2 for ; Thu, 07 Dec 2023 22:59:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702018797; x=1702623597; 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=IYI4r4XUuz71I8vtap69MBMVnAez8i9Yk5eIAeppyug=; b=ZBAeNsBYKFU6yv7U6js/AeSEAZxZd4Sb7ZMu8QoIGbq2AirNBiX6RdLDNMBi7cL0Ys JjOmpWWcJNU0AZptgaBLjNDy0ZyFvE/jE0lNjwhvOSh5KOfOyaB6zTrFjtMWv1UVVNit UCrbsMbSIqWtJnQLWrhkAVNHJYGJPKQVor8+wbfeE6k9da2YxD0R1KFE67g+Tkwf5IzT Yefa9zgu96kGnSlXiy2pQMd/+IP5BkSKvFdI4O3UHfYF9AvCis4fw5noOf44RxYDcfrI bpdV6jaPr0xhv6u14efok+aUeYTQUJjV+hvd7u9bF+nPpn4frnWrg8gKI5MqkjC+5W53 qdCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702018797; x=1702623597; 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=IYI4r4XUuz71I8vtap69MBMVnAez8i9Yk5eIAeppyug=; b=ULMvko7yjmqqYdzTn5DKWQrx4cRStH5WMpIp8iM+Fl56v3m+YuxputVWCe0QfwO21T nge9Bd5tXD/A8kmBFZVVco2u4aAPF2UAer8W9MFflhtsxMW9PaAmIP+avkPBTOOTVoiq 2ZRbILQ5fM4qhuek3u/7PM+uCobnWkhLt0h3Byxdrkg/GOo0t6KpfW00Z/kQ20wU7Vlz ShleNwsNEndh/gCYrwOBIZRLQVSMZbjSrtC6uqfDVX+YSHKeUOIM/jP8Qg5GzL8dEZ1T EYnvjudUY1xPyBmoe9MIRCDN5n4EwGacD45etd9XGAnjnkAndQoShw9Y7UhsijnXRpO/ HVaQ== X-Gm-Message-State: AOJu0Yz9M7AEyvIf/RRKqlBo7RQzjwXPeWIOaAQHRhA7GezdkQs+Ykoh wuFZW6mqGMKV6KdjxNu/a6Lg X-Google-Smtp-Source: AGHT+IHEh7rNunBQCv1jB1S67MBGsxYjecPohm97PlMerUQDMElKauhE5n0VNoRMjq4XB4hV8cNaCQ== X-Received: by 2002:a17:903:11d1:b0:1d0:8c04:85fe with SMTP id q17-20020a17090311d100b001d08c0485femr4011908plh.12.1702018797069; Thu, 07 Dec 2023 22:59:57 -0800 (PST) Received: from localhost.localdomain ([117.216.123.142]) by smtp.gmail.com with ESMTPSA id n8-20020a170902e54800b001b03f208323sm934263plf.64.2023.12.07.22.59.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 22:59:56 -0800 (PST) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com Cc: andersson@kernel.org, konrad.dybcio@linaro.org, linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, quic_cang@quicinc.com, ahalaney@redhat.com, quic_nitirawa@quicinc.com, Manivannan Sadhasivam Subject: [PATCH v2 08/17] scsi: ufs: qcom: Check the return value of ufs_qcom_power_up_sequence() Date: Fri, 8 Dec 2023 12:28:53 +0530 Message-Id: <20231208065902.11006-9-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231208065902.11006-1-manivannan.sadhasivam@linaro.org> References: <20231208065902.11006-1-manivannan.sadhasivam@linaro.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 If ufs_qcom_power_up_sequence() fails, then it makes no sense to enable the lane clocks and continue ufshcd_hba_enable(). So let's check the return value of ufs_qcom_power_up_sequence(). Reviewed-by: Andrew Halaney Signed-off-by: Manivannan Sadhasivam --- drivers/ufs/host/ufs-qcom.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 365a61dbf7ea..b141dd2a9346 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -417,7 +417,10 @@ static int ufs_qcom_hce_enable_notify(struct ufs_hba *hba, switch (status) { case PRE_CHANGE: - ufs_qcom_power_up_sequence(hba); + err = ufs_qcom_power_up_sequence(hba); + if (err) + return err; + /* * The PHY PLL output is the source of tx/rx lane symbol * clocks, hence, enable the lane clocks only after PHY