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 6D72B258CF7; Tue, 22 Apr 2025 02:17:09 +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=1745288231; cv=none; b=mjQluzf/Z1HigJT+C+z2TwOgaWI0CpfGlLjx0pWW2DrhvYJZW5+eJF9q0am4A7TIWJRjGK5JJkaXg7GqSWGoAwbdEVoUOye102563D/AgHtTOLs10LQF1IsChYcPAZeGIChCWbO1St3nwimQxakJDdunoPqjjlmQkKK3L0d192s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745288231; c=relaxed/simple; bh=dGdbF4fqM8z3Qtn9iRFU1wJoMa6zdozEGaMCJ6u24Hc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BK6yk9Y/NmVs5EJwrqT2lDifcwnU8R0f36e5j7WXYWHeIYQXAFMopd/GvXUiM0yDXuy7/VRfLEp2/kT3yv24tAh+MDRklxMum/JSr93NdQKC+qBnjMLRDI3yjhyS9quXQJvHZxpchxN8DXouE6cgMY03N9ihsbwvAcpOhH89FWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pt/tSl6D; 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="pt/tSl6D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DEC88C4CEEF; Tue, 22 Apr 2025 02:17:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745288229; bh=dGdbF4fqM8z3Qtn9iRFU1wJoMa6zdozEGaMCJ6u24Hc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pt/tSl6D2iBve4Vi/ccuai0uB2HEFWJpR/mNkvizE6BDIgzcu2OYi8yNw+sJbCzYo NR45KP8QPjNo9mOLmbK1kIjzf65BMnO/Cg/Tvh6VgoDvHNr+LmfyyYoaB2cZqbLDnI FQeAPFcuryNeiKzsEur12PJkjSd4tpt4nRDgCiYIctzO2fedMNYwNYwLVd16uoby2d shfTGdgY0BQgpeOsjwculUlYTfKvjOdliVqxbV8HfY4FmIuj5smswnJLTQHDGVJCHW Zd3yJ5ILP51QSqw3wEUnO0yVEO4Ou8H3YyjvF1O51Grdb5sIq3PVX59gwyl91kLGXP 1NnitUor8EeNg== 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 6.12 03/23] scsi: ufs: exynos: Enable PRDT pre-fetching with UFSHCD_CAP_CRYPTO Date: Mon, 21 Apr 2025 22:16:43 -0400 Message-Id: <20250422021703.1941244-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250422021703.1941244-1-sashal@kernel.org> References: <20250422021703.1941244-1-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 6.12.24 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 7689617aa3f3c..477a9f2920765 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 @@ -1045,12 +1045,17 @@ 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