| 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
| ||
|
Date: Thu, 17 May 2018 13:00:47 +0800
From: Anson Huang <Anson.Huang@....com>
To: shawnguo@...nel.org, kernel@...gutronix.de, fabio.estevam@....com,
mturquette@...libre.com, sboyd@...nel.org
Cc: Linux-imx@....com, linux-arm-kernel@...ts.infradead.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk: imx6sx: disable unnecessary clocks during clock initialization
Disable those unnecessary clocks during kernel boot up to save power,
those modules clock should be managed by modules driver in runtime.
Signed-off-by: Anson Huang <Anson.Huang@....com>
---
drivers/clk/imx/clk-imx6sx.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index 0178ee2..10c771b 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -97,12 +97,7 @@ static int const clks_init_on[] __initconst = {
IMX6SX_CLK_IPMUX1, IMX6SX_CLK_IPMUX2, IMX6SX_CLK_IPMUX3,
IMX6SX_CLK_WAKEUP, IMX6SX_CLK_MMDC_P0_FAST, IMX6SX_CLK_MMDC_P0_IPG,
IMX6SX_CLK_ROM, IMX6SX_CLK_ARM, IMX6SX_CLK_IPG, IMX6SX_CLK_OCRAM,
- IMX6SX_CLK_PER2_MAIN, IMX6SX_CLK_PERCLK, IMX6SX_CLK_M4,
- IMX6SX_CLK_QSPI1, IMX6SX_CLK_QSPI2, IMX6SX_CLK_UART_IPG,
- IMX6SX_CLK_UART_SERIAL, IMX6SX_CLK_I2C3, IMX6SX_CLK_ECSPI5,
- IMX6SX_CLK_CAN1_IPG, IMX6SX_CLK_CAN1_SERIAL, IMX6SX_CLK_CAN2_IPG,
- IMX6SX_CLK_CAN2_SERIAL, IMX6SX_CLK_CANFD, IMX6SX_CLK_EPIT1,
- IMX6SX_CLK_EPIT2,
+ IMX6SX_CLK_PER2_MAIN, IMX6SX_CLK_PERCLK, IMX6SX_CLK_TZASC1,
};
static const struct clk_div_table clk_enet_ref_table[] = {
--
2.7.4
Powered by blists - more mailing lists