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de5774d192
Fixes the following W=1 kernel build warning(s): drivers/clk/imx/clk-imx6sl.c:156:6: warning: no previous prototype for ‘imx6sl_set_wait_clk’ [-Wmissing-prototypes] Cc: Russell King <linux@armlinux.org.uk> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Ahmad Fatoum <a.fatoum@pengutronix.de> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2014 Freescale Semiconductor, Inc.
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*/
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#include <linux/clk/imx.h>
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#include <linux/cpuidle.h>
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#include <linux/module.h>
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#include <asm/cpuidle.h>
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#include "common.h"
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#include "cpuidle.h"
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static int imx6sl_enter_wait(struct cpuidle_device *dev,
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struct cpuidle_driver *drv, int index)
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{
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imx6_set_lpm(WAIT_UNCLOCKED);
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/*
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* Software workaround for ERR005311, see function
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* description for details.
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*/
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imx6sl_set_wait_clk(true);
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cpu_do_idle();
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imx6sl_set_wait_clk(false);
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imx6_set_lpm(WAIT_CLOCKED);
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return index;
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}
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static struct cpuidle_driver imx6sl_cpuidle_driver = {
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.name = "imx6sl_cpuidle",
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.owner = THIS_MODULE,
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.states = {
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/* WFI */
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ARM_CPUIDLE_WFI_STATE,
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/* WAIT */
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{
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.exit_latency = 50,
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.target_residency = 75,
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.flags = CPUIDLE_FLAG_TIMER_STOP,
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.enter = imx6sl_enter_wait,
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.name = "WAIT",
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.desc = "Clock off",
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},
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},
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.state_count = 2,
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.safe_state_index = 0,
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};
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int __init imx6sl_cpuidle_init(void)
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{
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return cpuidle_register(&imx6sl_cpuidle_driver, NULL);
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}
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