linux-kernel - Re: [PATCH] thermal: Remove core header inclusion from drivers

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Date:   Mon, 13 Feb 2023 20:45:52 +0800
From:   Peng Fan <peng.fan@....nxp.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        rafael.j.wysocki@...el.com
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guillaume La Roque <glaroque@...libre.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.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>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        Niklas Söderlund <niklas.soderlund@...natech.se>,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        ye xingchen <ye.xingchen@....com.cn>,
        Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Haowen Bai <baihaowen@...zu.com>,
        Minghao Chi <chi.minghao@....com.cn>,
        "open list:THERMAL DRIVER FOR AMLOGIC SOCS" 
        <linux-amlogic@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>,
        "open list:RENESAS R-CAR THERMAL DRIVERS" 
        <linux-renesas-soc@...r.kernel.org>,
        "open list:SAMSUNG THERMAL DRIVER" 
        <linux-samsung-soc@...r.kernel.org>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "open list:TEGRA ARCHITECTURE SUPPORT" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH] thermal: Remove core header inclusion from drivers



On 2/6/2023 11:34 PM, Daniel Lezcano wrote:
> As the name states "thermal_core.h" is the header file for the core
> components of the thermal framework.
> 
> Too many drivers are including it. Hopefully the recent cleanups
> helped to self encapsulate the code a bit more and prevented the
> drivers to need this header.
> 
> Remove this inclusion in every place where it is possible.
> 
> Some other drivers did a confusion with the core header and the one
> exported in linux/thermal.h. They include the former instead of the
> latter. The changes also fix this.
> 
> The tegra/soctherm driver still remains as it uses an internal
> function which need to be replaced.
> 
> The Intel HFI driver uses the netlink internal framework core and
> should be changed to prevent to deal with the internals.
> 
> No functional changes
> 
> [ Applies to thermal/linux-next or linux-pm/linux-next ]
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>

Reviewed-by: Peng Fan <peng.fan@....com> for i.MX

> ---
>   drivers/thermal/amlogic_thermal.c           | 1 -
>   drivers/thermal/armada_thermal.c            | 2 --
>   drivers/thermal/broadcom/bcm2835_thermal.c  | 1 -
>   drivers/thermal/hisi_thermal.c              | 3 +--
>   drivers/thermal/imx8mm_thermal.c            | 1 -
>   drivers/thermal/imx_sc_thermal.c            | 1 -
>   drivers/thermal/intel/intel_hfi.c           | 3 ++-
>   drivers/thermal/qcom/qcom-spmi-temp-alarm.c | 1 -
>   drivers/thermal/qoriq_thermal.c             | 1 -
>   drivers/thermal/rcar_gen3_thermal.c         | 1 -
>   drivers/thermal/samsung/exynos_tmu.c        | 3 +--
>   drivers/thermal/st/stm_thermal.c            | 1 -
>   drivers/thermal/tegra/tegra30-tsensor.c     | 1 -
>   drivers/thermal/uniphier_thermal.c          | 2 --
>   14 files changed, 4 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/thermal/amlogic_thermal.c b/drivers/thermal/amlogic_thermal.c
> index d30cb791e63c..9235fda4ec1e 100644
> --- a/drivers/thermal/amlogic_thermal.c
> +++ b/drivers/thermal/amlogic_thermal.c
> @@ -28,7 +28,6 @@
>   #include <linux/regmap.h>
>   #include <linux/thermal.h>
>   
> -#include "thermal_core.h"
>   #include "thermal_hwmon.h"
>   
>   #define TSENSOR_CFG_REG1			0x4
> diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
> index 83a4080bffc7..36653f692c80 100644
> --- a/drivers/thermal/armada_thermal.c
> +++ b/drivers/thermal/armada_thermal.c
> @@ -19,8 +19,6 @@
>   #include <linux/regmap.h>
>   #include <linux/interrupt.h>
>   
> -#include "thermal_core.h"
> -
>   /* Thermal Manager Control and Status Register */
>   #define PMU_TDC0_SW_RST_MASK		(0x1 << 1)
>   #define PMU_TM_DISABLE_OFFS		0
> diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
> index 3d0710c6e004..23918bb76ae6 100644
> --- a/drivers/thermal/broadcom/bcm2835_thermal.c
> +++ b/drivers/thermal/broadcom/bcm2835_thermal.c
> @@ -18,7 +18,6 @@
>   #include <linux/platform_device.h>
>   #include <linux/thermal.h>
>   
> -#include "../thermal_core.h"
>   #include "../thermal_hwmon.h"
>   
>   #define BCM2835_TS_TSENSCTL			0x00
> diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
> index 45226cab466e..62c67942293e 100644
> --- a/drivers/thermal/hisi_thermal.c
> +++ b/drivers/thermal/hisi_thermal.c
> @@ -16,8 +16,7 @@
>   #include <linux/platform_device.h>
>   #include <linux/io.h>
>   #include <linux/of_device.h>
> -
> -#include "thermal_core.h"
> +#include <linux/thermal.h>
>   
>   #define HI6220_TEMP0_LAG			(0x0)
>   #define HI6220_TEMP0_TH				(0x4)
> diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c
> index d247b48696cb..72b5d6f319c1 100644
> --- a/drivers/thermal/imx8mm_thermal.c
> +++ b/drivers/thermal/imx8mm_thermal.c
> @@ -17,7 +17,6 @@
>   #include <linux/slab.h>
>   #include <linux/thermal.h>
>   
> -#include "thermal_core.h"
>   #include "thermal_hwmon.h"
>   
>   #define TER			0x0	/* TMU enable */
> diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c
> index 378f574607f7..f32e59e74623 100644
> --- a/drivers/thermal/imx_sc_thermal.c
> +++ b/drivers/thermal/imx_sc_thermal.c
> @@ -13,7 +13,6 @@
>   #include <linux/slab.h>
>   #include <linux/thermal.h>
>   
> -#include "thermal_core.h"
>   #include "thermal_hwmon.h"
>   
>   #define IMX_SC_MISC_FUNC_GET_TEMP	13
> diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
> index 6e604bda2b93..c69db6c90869 100644
> --- a/drivers/thermal/intel/intel_hfi.c
> +++ b/drivers/thermal/intel/intel_hfi.c
> @@ -40,10 +40,11 @@
>   
>   #include <asm/msr.h>
>   
> -#include "../thermal_core.h"
>   #include "intel_hfi.h"
>   #include "thermal_interrupt.h"
>   
> +#include "../thermal_netlink.h"
> +
>   /* Hardware Feedback Interface MSR configuration bits */
>   #define HW_FEEDBACK_PTR_VALID_BIT		BIT(0)
>   #define HW_FEEDBACK_CONFIG_HFI_ENABLE_BIT	BIT(0)
> diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> index e2429676d0d2..101c75d0e13f 100644
> --- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> +++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> @@ -15,7 +15,6 @@
>   #include <linux/regmap.h>
>   #include <linux/thermal.h>
>   
> -#include "../thermal_core.h"
>   #include "../thermal_hwmon.h"
>   
>   #define QPNP_TM_REG_DIG_MAJOR		0x01
> diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
> index d111e218f362..431c29c0898a 100644
> --- a/drivers/thermal/qoriq_thermal.c
> +++ b/drivers/thermal/qoriq_thermal.c
> @@ -13,7 +13,6 @@
>   #include <linux/thermal.h>
>   #include <linux/units.h>
>   
> -#include "thermal_core.h"
>   #include "thermal_hwmon.h"
>   
>   #define SITES_MAX		16
> diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
> index 4ef927437842..0fd2fd077638 100644
> --- a/drivers/thermal/rcar_gen3_thermal.c
> +++ b/drivers/thermal/rcar_gen3_thermal.c
> @@ -17,7 +17,6 @@
>   #include <linux/sys_soc.h>
>   #include <linux/thermal.h>
>   
> -#include "thermal_core.h"
>   #include "thermal_hwmon.h"
>   
>   /* Register offsets */
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 37465af59262..527d1eb0663a 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -20,11 +20,10 @@
>   #include <linux/of_irq.h>
>   #include <linux/platform_device.h>
>   #include <linux/regulator/consumer.h>
> +#include <linux/thermal.h>
>   
>   #include <dt-bindings/thermal/thermal_exynos.h>
>   
> -#include "../thermal_core.h"
> -
>   /* Exynos generic registers */
>   #define EXYNOS_TMU_REG_TRIMINFO		0x0
>   #define EXYNOS_TMU_REG_CONTROL		0x20
> diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c
> index e7834ccc7976..735401958f01 100644
> --- a/drivers/thermal/st/stm_thermal.c
> +++ b/drivers/thermal/st/stm_thermal.c
> @@ -19,7 +19,6 @@
>   #include <linux/platform_device.h>
>   #include <linux/thermal.h>
>   
> -#include "../thermal_core.h"
>   #include "../thermal_hwmon.h"
>   
>   /* DTS register offsets */
> diff --git a/drivers/thermal/tegra/tegra30-tsensor.c b/drivers/thermal/tegra/tegra30-tsensor.c
> index 0ffe37ce7df7..b3218b71b6d9 100644
> --- a/drivers/thermal/tegra/tegra30-tsensor.c
> +++ b/drivers/thermal/tegra/tegra30-tsensor.c
> @@ -28,7 +28,6 @@
>   
>   #include <soc/tegra/fuse.h>
>   
> -#include "../thermal_core.h"
>   #include "../thermal_hwmon.h"
>   
>   #define TSENSOR_SENSOR0_CONFIG0				0x0
> diff --git a/drivers/thermal/uniphier_thermal.c b/drivers/thermal/uniphier_thermal.c
> index f8ab2ca76184..47801841b3f5 100644
> --- a/drivers/thermal/uniphier_thermal.c
> +++ b/drivers/thermal/uniphier_thermal.c
> @@ -17,8 +17,6 @@
>   #include <linux/regmap.h>
>   #include <linux/thermal.h>
>   
> -#include "thermal_core.h"
> -
>   /*
>    * block registers
>    * addresses are the offset from .block_base