linux-kernel - [PATCH 3/7] clk: qcom: Add custom udelays for clks in msm8996

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]

Date:   Wed, 19 Oct 2016 16:58:39 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     sboyd@...eaurora.org, mturquette@...libre.com
Cc:     linux-clk@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, tdas@...eaurora.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: [PATCH 3/7] clk: qcom: Add custom udelays for clks in msm8996

Some of the branch clocks in msm8996 which are marked with
a BRANCH_HALT_DELAY require a little more than the default
10us delay, so specify some custom delays for such clocks

Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
---
 drivers/clk/qcom/gcc-msm8996.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
index 4e78924..3c85e05 100644
--- a/drivers/clk/qcom/gcc-msm8996.c
+++ b/drivers/clk/qcom/gcc-msm8996.c
@@ -1389,6 +1389,7 @@ enum {
 
 static struct clk_branch gcc_usb3_phy_pipe_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 50,
 	.clkr = {
 		.enable_reg = 0x50004,
 		.enable_mask = BIT(0),
@@ -2443,6 +2444,7 @@ enum {
 
 static struct clk_branch gcc_pcie_0_pipe_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x6b018,
 		.enable_mask = BIT(0),
@@ -2518,6 +2520,7 @@ enum {
 
 static struct clk_branch gcc_pcie_1_pipe_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x6d018,
 		.enable_mask = BIT(0),
@@ -2593,6 +2596,7 @@ enum {
 
 static struct clk_branch gcc_pcie_2_pipe_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x6e018,
 		.enable_mask = BIT(0),
@@ -2722,6 +2726,7 @@ enum {
 
 static struct clk_branch gcc_ufs_tx_symbol_0_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x75018,
 		.enable_mask = BIT(0),
@@ -2737,6 +2742,7 @@ enum {
 
 static struct clk_branch gcc_ufs_rx_symbol_0_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x7501c,
 		.enable_mask = BIT(0),
@@ -2752,6 +2758,7 @@ enum {
 
 static struct clk_branch gcc_ufs_rx_symbol_1_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x75020,
 		.enable_mask = BIT(0),
@@ -2809,6 +2816,7 @@ enum {
 
 static struct clk_branch gcc_ufs_sys_clk_core_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x76030,
 		.enable_mask = BIT(0),
@@ -2821,6 +2829,7 @@ enum {
 
 static struct clk_branch gcc_ufs_tx_symbol_clk_core_clk = {
 	.halt_check = BRANCH_HALT_DELAY,
+	.udelay = 500,
 	.clkr = {
 		.enable_reg = 0x76034,
 		.enable_mask = BIT(0),
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation