From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A6230158545; Tue, 11 Nov 2025 01:30:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824626; cv=none; b=G+gJ9YtRTU4J8R9M98EL1KNGT7+2qOoU1oJBODWyxFITrzjZwBLtTTm29kI+GpT1zYLCEz70w9hx1VkzBTiGynlj1fpuJaJmbBh7eMMgo6NSJgL5NnP/xZmMCDbsTn/Ejg/meIpWUvdNx9SCJUVACtLnEw4eCW/2DerfcjH8KLQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824626; c=relaxed/simple; bh=lwNYMtVa9GHZAXtZj/otFTtdzeAA2w8PjmTr6Hf59nE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z37EbpHFHysCAbex9f68qLNUNzK93XmeFaB0xVsd+iPCiWGRcyVnrbrgm9Yu90xPK9Vnr14eo321EbC4Ic4jSENXPmOi+yqkbya0E2C8h/FY4atx9gsJd/xV65RVu9/oCtMV0nAeKDxLJCEUDqNTOkOB9RsDF6Vn2eavrwK4BOw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=G9xlGqsd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="G9xlGqsd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 307FFC19425; Tue, 11 Nov 2025 01:30:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762824626; bh=lwNYMtVa9GHZAXtZj/otFTtdzeAA2w8PjmTr6Hf59nE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G9xlGqsdye3JS4CUCDMmWRVUV2D8P5P3NK0qIhE+REqjvBIGuRHrkzUk8fKdIakbI QP3kckYpSwTI4J4ERTLKNvhodvIT6Joyx4zrlNcKkCGHEmrD44sTpXIIa5kTsMToNI nOlR6C3pVNWsBXr0aVEygxn+4qrYIIPgcGx3qKWQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alice Chao , Peter Wang , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.17 499/849] scsi: ufs: host: mediatek: Fix adapt issue after PA_Init Date: Tue, 11 Nov 2025 09:41:09 +0900 Message-ID: <20251111004548.498090391@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111004536.460310036@linuxfoundation.org> References: <20251111004536.460310036@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alice Chao [ Upstream commit d73836cb8535b3078e4d2a57913f301baec58a33 ] Address the issue where the host does not send adapt to the device after PA_Init success. Ensure the adapt process is correctly initiated for devices with IP version MT6899 and above, resolving communication issues between the host and device. Signed-off-by: Alice Chao Reviewed-by: Peter Wang Signed-off-by: Peter Wang Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/ufs/host/ufs-mediatek.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 3defb5f135e33..c0acbd3f8fc36 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1503,8 +1503,19 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) return ret; } + static void ufs_mtk_post_link(struct ufs_hba *hba) { + struct ufs_mtk_host *host = ufshcd_get_variant(hba); + u32 tmp; + + /* fix device PA_INIT no adapt */ + if (host->ip_ver >= IP_VER_MT6899) { + ufshcd_dme_get(hba, UIC_ARG_MIB(VS_DEBUGOMC), &tmp); + tmp |= 0x100; + ufshcd_dme_set(hba, UIC_ARG_MIB(VS_DEBUGOMC), tmp); + } + /* enable unipro clock gating feature */ ufs_mtk_cfg_unipro_cg(hba, true); } -- 2.51.0