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 4CF741A00F0; Tue, 22 Apr 2025 02:15:56 +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=1745288156; cv=none; b=bAhQnunYaFDjv7T5CxF4XmOKVUj8IMJeB/3PLSqh3pxMZG92WjJj8AkNZdFGCceA/gh5ZbaSLK+lRM3WYvd1wFIieES5bQ9lqlsa236iqQO2VEX9iZnAwWokSpM7vrGMt7aebiQ70A79sq//Nt3bUiBtCuW4rJQoLkiy70sj+WY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745288156; c=relaxed/simple; bh=dmb7uRYwJFDAB0np0MFQJF+P1dxP649ZdtQ3KoOJ/wI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BwDFPZ+tdEtzdqEvc/9nu5fD0smthK7xEjU/Mbm+TK9XnGBolp8d20pvk8YJQNjD8Q3hS2dN5DumYE2WMdRKopzdnMztKFkUYa1tRZcoMJZjaEOpIIj4JLleBo3euZzcpdofO5QFdwW4gCBdjDw/Ul6p2QV4IweY5w4jzBJz4IY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=c00d/e0D; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="c00d/e0D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEF65C4CEEE; Tue, 22 Apr 2025 02:15:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745288156; bh=dmb7uRYwJFDAB0np0MFQJF+P1dxP649ZdtQ3KoOJ/wI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c00d/e0Dp5UBUjbvcU38jOS+sEuR76eoPOl08TxEsuTfNsCQwt2KHDFWE1/i+mVHj OSg7Zo56X4QImyrSlvTYy+x0VeQ3BsDkTlKkjg3rV3rYnbtLkTZmyQ3MYuRw7ZQMGF rPvlxTAJa1Fua8jS3PVTu+B9lxJhL/E6IcLshn98vIejD+zjjWPo6LSZu5QXKbzyTD LdnZaddDwyd/wUi4RkESGbHzXGZUj3/FW1NRGIiXhBfksdCkzhz4fCHf1aU5NWdHOF r+HNUBsfWaNUBhTE7QnZXXQWLlF/Wtz8kBtcUef2Qvv6K61E8nSAXbiMdy59ApmN/e io6hBtIxH0n4Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peter Griffin , Bart Van Assche , "Martin K . Petersen" , Sasha Levin , alim.akhtar@samsung.com, James.Bottomley@HansenPartnership.com, krzk@kernel.org, linux-scsi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 6.14 03/30] scsi: ufs: exynos: Enable PRDT pre-fetching with UFSHCD_CAP_CRYPTO Date: Mon, 21 Apr 2025 22:15:23 -0400 Message-Id: <20250422021550.1940809-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250422021550.1940809-1-sashal@kernel.org> References: <20250422021550.1940809-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.3 Content-Transfer-Encoding: 8bit From: Peter Griffin [ Upstream commit deac9ad496ec17e1ec06848964ecc635bdaca703 ] PRDT_PREFETCH_ENABLE[31] bit should be set when desctype field of fmpsecurity0 register is type2 (double file encryption) or type3 (support for file and disk encryption). Setting this bit enables PRDT pre-fetching on both TXPRDT and RXPRDT. Signed-off-by: Peter Griffin Link: https://lore.kernel.org/r/20250319-exynos-ufs-stability-fixes-v2-5-96722cc2ba1b@linaro.org Reviewed-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/ufs/host/ufs-exynos.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c index cd750786187cd..b441178089cdd 100644 --- a/drivers/ufs/host/ufs-exynos.c +++ b/drivers/ufs/host/ufs-exynos.c @@ -34,7 +34,7 @@ * Exynos's Vendor specific registers for UFSHCI */ #define HCI_TXPRDT_ENTRY_SIZE 0x00 -#define PRDT_PREFECT_EN BIT(31) +#define PRDT_PREFETCH_EN BIT(31) #define HCI_RXPRDT_ENTRY_SIZE 0x04 #define HCI_1US_TO_CNT_VAL 0x0C #define CNT_VAL_1US_MASK 0x3FF @@ -1087,12 +1087,17 @@ static int exynos_ufs_post_link(struct ufs_hba *hba) struct exynos_ufs *ufs = ufshcd_get_variant(hba); struct phy *generic_phy = ufs->phy; struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr; + u32 val = ilog2(DATA_UNIT_SIZE); exynos_ufs_establish_connt(ufs); exynos_ufs_fit_aggr_timeout(ufs); hci_writel(ufs, 0xa, HCI_DATA_REORDER); - hci_writel(ufs, ilog2(DATA_UNIT_SIZE), HCI_TXPRDT_ENTRY_SIZE); + + if (hba->caps & UFSHCD_CAP_CRYPTO) + val |= PRDT_PREFETCH_EN; + hci_writel(ufs, val, HCI_TXPRDT_ENTRY_SIZE); + hci_writel(ufs, ilog2(DATA_UNIT_SIZE), HCI_RXPRDT_ENTRY_SIZE); hci_writel(ufs, (1 << hba->nutrs) - 1, HCI_UTRL_NEXUS_TYPE); hci_writel(ufs, (1 << hba->nutmrs) - 1, HCI_UTMRL_NEXUS_TYPE); -- 2.39.5