linux-kernel - [PATCH v2 11/18] clk: qcom: gcc-sm8450: Set delay for Venus CLK resets

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: <20240105-topic-venus_reset-v2-11-c37eba13b5ce@linaro.org>
Date: Tue, 06 Feb 2024 19:43:44 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 11/18] clk: qcom: gcc-sm8450: Set delay for Venus CLK
 resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8450, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/d0730ea5867264ee50b793f6700eb6a376ddcbbb
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/gcc-sm8450.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/qcom/gcc-sm8450.c b/drivers/clk/qcom/gcc-sm8450.c
index 563542982551..1825b3456dd0 100644
--- a/drivers/clk/qcom/gcc-sm8450.c
+++ b/drivers/clk/qcom/gcc-sm8450.c
@@ -3202,8 +3202,8 @@ static const struct qcom_reset_map gcc_sm8450_resets[] = {
 	[GCC_USB3PHY_PHY_PRIM_BCR] = { 0x60004 },
 	[GCC_USB3PHY_PHY_SEC_BCR] = { 0x60010 },
 	[GCC_USB_PHY_CFG_AHB2PHY_BCR] = { 0x7a000 },
-	[GCC_VIDEO_AXI0_CLK_ARES] = { 0x42018, 2 },
-	[GCC_VIDEO_AXI1_CLK_ARES] = { 0x42020, 2 },
+	[GCC_VIDEO_AXI0_CLK_ARES] = { .reg = 0x42018, .bit = 2, .udelay = 1000 },
+	[GCC_VIDEO_AXI1_CLK_ARES] = { .reg = 0x42020, .bit = 2, .udelay = 1000 },
 	[GCC_VIDEO_BCR] = { 0x42000 },
 };
 

-- 
2.43.0