From patchwork Mon Aug 19 22:50:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 13769165 Received: from 008.lax.mailroute.net (008.lax.mailroute.net [199.89.1.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1DAEA1DD3B5 for ; Mon, 19 Aug 2024 22:52:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724107926; cv=none; b=llx/iDI5sr8sryGbUZAKhEyrWJoxiuMhxg8iLkLDyR9KPr/I3uCXenWMiMbvjpdy9tFsoQRhJTcgkJp+0LWgjCy229t1VucnKnreKhGrpde0BwrW1n1XdH27sZWitCRXxCyFCUFR9ZBOJVOMav6dCZICi4UDy5gMRNe1l+euL0E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724107926; c=relaxed/simple; bh=QlrZSTGvkrogyPy2k1dzpotDHSuS2TmdZtfDXjJn77Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BN7QqJvduXzBNtPNPSY8PyQJ+EFC2yBeANnLMN/qhvGCiLW3QSV2dMTy/dg0aW5s1gzVLhjRteqWUWoetVTbHp7cXiow2gGEzj8cqyOq1JMyMTVV7fF8vK/IQHuJY8bbZji9VHa6Mkf1Ru0eh2wEi0rDuV/EupC/a+knC45qWT0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=krysSZj8; arc=none smtp.client-ip=199.89.1.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="krysSZj8" Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4Wnnsc4NGmz6ClY8r; Mon, 19 Aug 2024 22:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:mime-version:references:in-reply-to :x-mailer:message-id:date:date:subject:subject:from:from :received:received; s=mr01; t=1724107920; x=1726699921; bh=0cnm8 v/dUyGqva6tz1T3n9d8ekdZh2e/wxznsOntlXo=; b=krysSZj8rHj7EGs0EKz/N tWd6ksZZi4Tueb7hm4wSKo97OKd6PKtyGU0+AdL2In+OebPdlVtU5xvC2f4T0Guj 52ZksmyXzKKEUH/6tdrk4myQ1kt/qBEwihdnXEJ1J9WUQ5cYSjKKtc9xhnaKxs1f Jzb0ypa3PPF7NRG+GkDCB2k9kt7Kr/oWaKSMe0WEgHfCipFrV1bUw9f/FAAL9cRC 0oVjxeZZRnGYIEBl5UCTvMCfT5XuT6bMKuFHCR/2KBi/Lg3Nc2yOsMZX/Y3pgMvM X8D33ofOFJPegLBWoNnV3NiD8HK/2+2AbHCI0CEZMiByk5nv6Esye5jka6co9sHh A== X-Virus-Scanned: by MailRoute Received: from 008.lax.mailroute.net ([127.0.0.1]) by localhost (008.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id IbTIta5E44qL; Mon, 19 Aug 2024 22:52:00 +0000 (UTC) Received: from bvanassche.mtv.corp.google.com (unknown [104.135.204.82]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 008.lax.mailroute.net (Postfix) with ESMTPSA id 4WnnsW2j69z6ClY8q; Mon, 19 Aug 2024 22:51:59 +0000 (UTC) From: Bart Van Assche To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , "James E.J. Bottomley" , Peter Wang , Manivannan Sadhasivam , Avri Altman , Bean Huo , Andrew Halaney Subject: [PATCH 8/9] ufs: core: Move the MCQ scsi_add_host() call Date: Mon, 19 Aug 2024 15:50:25 -0700 Message-ID: <20240819225102.2437307-9-bvanassche@acm.org> X-Mailer: git-send-email 2.46.0.184.g6999bdac58-goog In-Reply-To: <20240819225102.2437307-1-bvanassche@acm.org> References: <20240819225102.2437307-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Whether or not MCQ is used, call scsi_add_host from ufshcd_add_scsi_host(). For MCQ this patch swaps the order of the scsi_add_host() and ufshcd_post_device_init() calls. This patch also prepares for moving both scsi_add_host() calls into ufshcd_add_scsi_host(). Signed-off-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 43 ++++++++++++++++----------------------- 1 file changed, 18 insertions(+), 25 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index dedbef27d5c5..b3fae37e4f6a 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10402,15 +10402,27 @@ static int ufshcd_add_scsi_host(struct ufs_hba *hba) { int err; - if (!is_mcq_supported(hba)) { - err = scsi_add_host(hba->host, hba->dev); - if (err) { - dev_err(hba->dev, "scsi_add_host failed\n"); - return err; + if (is_mcq_supported(hba)) { + ufshcd_mcq_enable(hba); + err = ufshcd_alloc_mcq(hba); + if (!err) { + ufshcd_config_mcq(hba); + } else { + /* Continue with SDB mode */ + ufshcd_mcq_disable(hba); + use_mcq_mode = false; + dev_err(hba->dev, "MCQ mode is disabled, err=%d\n", + err); } - hba->scsi_host_added = true; } + err = scsi_add_host(hba->host, hba->dev); + if (err) { + dev_err(hba->dev, "scsi_add_host failed\n"); + return err; + } + hba->scsi_host_added = true; + hba->tmf_tag_set = (struct blk_mq_tag_set) { .nr_hw_queues = 1, .queue_depth = hba->nutmrs, @@ -10648,25 +10660,6 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) err = ufshcd_device_params_init(hba); if (err) goto out_disable; - if (is_mcq_supported(hba)) { - ufshcd_mcq_enable(hba); - err = ufshcd_alloc_mcq(hba); - if (!err) { - ufshcd_config_mcq(hba); - } else { - /* Continue with SDB mode */ - ufshcd_mcq_disable(hba); - use_mcq_mode = false; - dev_err(hba->dev, "MCQ mode is disabled, err=%d\n", - err); - } - err = scsi_add_host(host, hba->dev); - if (err) { - dev_err(hba->dev, "scsi_add_host failed\n"); - goto out_disable; - } - hba->scsi_host_added = true; - } err = ufshcd_post_device_init(hba); if (err)