linux-kernel - [PATCH 3/5] mmc: sdhci-sprd: add SDHCI_QUIRK2_PRESET_VALUE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190826031830.30931-4-zhang.lyra@gmail.com>
Date:   Mon, 26 Aug 2019 11:18:28 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...aro.org>
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: [PATCH 3/5] mmc: sdhci-sprd: add SDHCI_QUIRK2_PRESET_VALUE_BROKEN

From: Chunyan Zhang <chunyan.zhang@...soc.com>

The bit of PRESET_VAL_ENABLE in HOST_CONTROL2 register is reserved on
sprd's sd host controller, set quirk2 to disable configuring this.

Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
Signed-off-by: Chunyan Zhang <zhang.lyra@...il.com>
---
 drivers/mmc/host/sdhci-sprd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index 90cb2af91159..27d0b57f3f89 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -510,7 +510,8 @@ static void sdhci_sprd_phy_param_parse(struct sdhci_sprd_host *sprd_host,
 static const struct sdhci_pltfm_data sdhci_sprd_pdata = {
 	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
 	.quirks2 = SDHCI_QUIRK2_BROKEN_HS200 |
-		   SDHCI_QUIRK2_USE_32BIT_BLK_CNT,
+		   SDHCI_QUIRK2_USE_32BIT_BLK_CNT |
+		   SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 	.ops = &sdhci_sprd_ops,
 };
 
-- 
2.20.1