From: Anson Huang <Anson.Huang@nxp.com>
To: shawnguo@kernel.org, kernel@pengutronix.de,
fabio.estevam@nxp.com, mturquette@baylibre.com, sboyd@kernel.org
Cc: Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] clk: imx6sx: disable unnecessary clocks during clock initialization
Date: Thu, 17 May 2018 13:00:47 +0800 [thread overview]
Message-ID: <1526533248-21990-1-git-send-email-Anson.Huang@nxp.com> (raw)
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@nxp.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
next reply other threads:[~2018-05-17 5:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-17 5:00 Anson Huang [this message]
2018-05-17 5:00 ` [PATCH] clk: imx6sl: correct ocram_podf clock type Anson Huang
2018-05-20 13:02 ` Shawn Guo
2018-06-01 19:10 ` Stephen Boyd
2018-05-20 13:01 ` [PATCH] clk: imx6sx: disable unnecessary clocks during clock initialization Shawn Guo
2018-06-01 19:10 ` Stephen Boyd
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