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Date: Fri, 26 Jun 2020 19:37:46 +0200 From: Andrzej Pietrasiewicz <andrzej.p@...labora.com> To: linux-pm@...r.kernel.org, linux-acpi@...r.kernel.org, netdev@...r.kernel.org, linux-wireless@...r.kernel.org, platform-driver-x86@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, linux-rockchip@...ts.infradead.org Cc: "Rafael J . Wysocki" <rjw@...ysocki.net>, Len Brown <lenb@...nel.org>, Vishal Kulkarni <vishal@...lsio.com>, "David S . Miller" <davem@...emloft.net>, Jiri Pirko <jiri@...lanox.com>, Ido Schimmel <idosch@...lanox.com>, Johannes Berg <johannes.berg@...el.com>, Emmanuel Grumbach <emmanuel.grumbach@...el.com>, Luca Coelho <luciano.coelho@...el.com>, Intel Linux Wireless <linuxwifi@...el.com>, Kalle Valo <kvalo@...eaurora.org>, Peter Kaestle <peter@...e.net>, Darren Hart <dvhart@...radead.org>, Andy Shevchenko <andy@...radead.org>, Sebastian Reichel <sre@...nel.org>, Miquel Raynal <miquel.raynal@...tlin.com>, Daniel Lezcano <daniel.lezcano@...aro.org>, Amit Kucheria <amit.kucheria@...durent.com>, Support Opensource <support.opensource@...semi.com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>, Niklas Söderlund <niklas.soderlund@...natech.se>, Heiko Stuebner <heiko@...ech.de>, Orson Zhai <orsonzhai@...il.com>, Baolin Wang <baolin.wang7@...il.com>, Chunyan Zhang <zhang.lyra@...il.com>, Zhang Rui <rui.zhang@...el.com>, Allison Randal <allison@...utok.net>, Enrico Weigelt <info@...ux.net>, Gayatri Kammela <gayatri.kammela@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Andrzej Pietrasiewicz <andrzej.p@...labora.com>, kernel@...labora.com Subject: [PATCH v5 02/11] thermal: Store thermal mode in a dedicated enum Prepare for storing mode in struct thermal_zone_device. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com> Reviewed-by: Guenter Roeck <linux@...ck-us.net> [for acerhdf] Acked-by: Peter Kaestle <peter@...e.net> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com> --- drivers/acpi/thermal.c | 27 +++++++++---------- drivers/platform/x86/acerhdf.c | 8 ++++-- .../intel/int340x_thermal/int3400_thermal.c | 18 +++++-------- 3 files changed, 25 insertions(+), 28 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 6de8066ca1e7..fb46070c66d8 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -172,7 +172,7 @@ struct acpi_thermal { struct acpi_thermal_trips trips; struct acpi_handle_list devices; struct thermal_zone_device *thermal_zone; - int tz_enabled; + enum thermal_device_mode mode; int kelvin_offset; /* in millidegrees */ struct work_struct thermal_check_work; }; @@ -500,7 +500,7 @@ static void acpi_thermal_check(void *data) { struct acpi_thermal *tz = data; - if (!tz->tz_enabled) + if (tz->mode != THERMAL_DEVICE_ENABLED) return; thermal_zone_device_update(tz->thermal_zone, @@ -534,8 +534,7 @@ static int thermal_get_mode(struct thermal_zone_device *thermal, if (!tz) return -EINVAL; - *mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED : - THERMAL_DEVICE_DISABLED; + *mode = tz->mode; return 0; } @@ -544,27 +543,25 @@ static int thermal_set_mode(struct thermal_zone_device *thermal, enum thermal_device_mode mode) { struct acpi_thermal *tz = thermal->devdata; - int enable; if (!tz) return -EINVAL; + if (mode != THERMAL_DEVICE_DISABLED && + mode != THERMAL_DEVICE_ENABLED) + return -EINVAL; /* * enable/disable thermal management from ACPI thermal driver */ - if (mode == THERMAL_DEVICE_ENABLED) - enable = 1; - else if (mode == THERMAL_DEVICE_DISABLED) { - enable = 0; + if (mode == THERMAL_DEVICE_DISABLED) pr_warn("thermal zone will be disabled\n"); - } else - return -EINVAL; - if (enable != tz->tz_enabled) { - tz->tz_enabled = enable; + if (mode != tz->mode) { + tz->mode = mode; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s kernel ACPI thermal control\n", - tz->tz_enabled ? "Enable" : "Disable")); + tz->mode == THERMAL_DEVICE_ENABLED ? + "Enable" : "Disable")); acpi_thermal_check(tz); } return 0; @@ -915,7 +912,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) goto remove_dev_link; } - tz->tz_enabled = 1; + tz->mode = THERMAL_DEVICE_ENABLED; dev_info(&tz->device->dev, "registered as thermal_zone%d\n", tz->thermal_zone->id); diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c index 4df7609b4aa9..9d1030b1a4f4 100644 --- a/drivers/platform/x86/acerhdf.c +++ b/drivers/platform/x86/acerhdf.c @@ -68,6 +68,7 @@ static int kernelmode = 1; #else static int kernelmode; #endif +static enum thermal_device_mode thermal_mode; static unsigned int interval = 10; static unsigned int fanon = 60000; @@ -397,6 +398,7 @@ static inline void acerhdf_revert_to_bios_mode(void) { acerhdf_change_fanstate(ACERHDF_FAN_AUTO); kernelmode = 0; + thermal_mode = THERMAL_DEVICE_DISABLED; if (thz_dev) thz_dev->polling_delay = 0; pr_notice("kernel mode fan control OFF\n"); @@ -404,6 +406,7 @@ static inline void acerhdf_revert_to_bios_mode(void) static inline void acerhdf_enable_kernelmode(void) { kernelmode = 1; + thermal_mode = THERMAL_DEVICE_ENABLED; thz_dev->polling_delay = interval*1000; thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED); @@ -416,8 +419,7 @@ static int acerhdf_get_mode(struct thermal_zone_device *thermal, if (verbose) pr_notice("kernel mode fan control %d\n", kernelmode); - *mode = (kernelmode) ? THERMAL_DEVICE_ENABLED - : THERMAL_DEVICE_DISABLED; + *mode = thermal_mode; return 0; } @@ -739,6 +741,8 @@ static int __init acerhdf_register_thermal(void) if (IS_ERR(cl_dev)) return -EINVAL; + thermal_mode = kernelmode ? + THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED; thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL, &acerhdf_dev_ops, &acerhdf_zone_params, 0, diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c index 0b3a62655843..e84faaadff87 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -48,7 +48,7 @@ struct int3400_thermal_priv { struct acpi_device *adev; struct platform_device *pdev; struct thermal_zone_device *thermal; - int mode; + enum thermal_device_mode mode; int art_count; struct art *arts; int trt_count; @@ -395,24 +395,20 @@ static int int3400_thermal_set_mode(struct thermal_zone_device *thermal, enum thermal_device_mode mode) { struct int3400_thermal_priv *priv = thermal->devdata; - bool enable; int result = 0; if (!priv) return -EINVAL; - if (mode == THERMAL_DEVICE_ENABLED) - enable = true; - else if (mode == THERMAL_DEVICE_DISABLED) - enable = false; - else + if (mode != THERMAL_DEVICE_ENABLED && + mode != THERMAL_DEVICE_DISABLED) return -EINVAL; - if (enable != priv->mode) { - priv->mode = enable; + if (mode != priv->mode) { + priv->mode = mode; result = int3400_thermal_run_osc(priv->adev->handle, - priv->current_uuid_index, - enable); + priv->current_uuid_index, + mode == THERMAL_DEVICE_ENABLED); } evaluate_odvp(priv); -- 2.17.1
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