linux-kernel - Re: [PATCH] arm: multi_v7_defconfig: Enable more OMAP related configs

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Message-ID: <11e7159a-d712-405c-a345-6dbb8171c1d1@ti.com>
Date: Wed, 6 Aug 2025 09:47:49 -0500
From: Andrew Davis <afd@...com>
To: Beleswar Padhi <b-padhi@...com>, <linux@...linux.org.uk>, <arnd@...db.de>
CC: <krzk@...nel.org>, <u-kumar1@...com>, <praneeth@...com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm: multi_v7_defconfig: Enable more OMAP related configs

On 8/6/25 9:18 AM, Beleswar Padhi wrote:
> From: Sinthu Raja <sinthu.raja@...com>
> 
> This allows us to enable various peripherals in the TI OMAP family
> platforms like AM571X-IDK, AM572X-IDK, AM574X-IDK, AM57XX-BEAGLE-X15,
> AM57XX-EVM using the multi_v7_defconfig, instead of only with the
> OMAP specific defconfigs.
> 
> IKCONFIG*:
> Allows reading the current kernel configuration through /proc/config.gz
> 

This gives the "what" the config does, but not the "why" it should be
in multi_v7_defconfig. For this item a better "why" would be something
explaining that the majority of platform specific defconfigs have this
and so does the main ARM64 defconfig, so it should be reasonable for
the main common ARMv7 defconfig to also have it.

Anyway these are all reasonable to have and help us make this shared
defconfig useful for more platforms,

Acked-by: Andrew Davis <afd@...com>

> {TI/DRA752}_THERMAL:
> Enables TI's bandgap temperature sensor and thermal zone framework for
> thermal management on the OMAP SoC family.
> 
> THERMAL_EMULATION:
> Adds emul_temp sysfs node under thermal zones to allow emulating
> temperature changes.
> 
> DRM_PANEL_OSD_OSD101T2587_53TS:
> TOUCHSCREEN_EDT_FT5X06:
> Enables OSD LCD panel and capacitive touchscreen support used in AM57XX
> evaluation modules.
> 
> SPI_TI_QSPI:
> Enables TI's QSPI master controller driver for accessing flash devices
> on OMAP5 platforms.
> 
> FANOTIFY:
> Allows sending open file descriptors to userspace listeners along with
> file access events.
> 
> USER_NS:
> NAMESPACES:
> Enable user NS to provide user info of different users for different
> process.
> 
> POSIX_MQUEUE:
> Supports POSIX message queues for priority-based IPC.
> 
> BSD_PROCESS_ACCT:
> Enables BSD process accounting to allow user space program to write
> process accounting information to a file.
> 
> bloat-o-meter:
> Total: Before=24537037, After=24640034, chg +0.42%
> 
> Signed-off-by: Sinthu Raja <sinthu.raja@...com>
> Co-developed-by: Carlos Hernandez <ceh@...com>
> Signed-off-by: Beleswar Padhi <b-padhi@...com>
> ---
>   arch/arm/configs/multi_v7_defconfig | 14 +++++++++++++-
>   1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
> index f2822eeefb95..d88177cbf2ce 100644
> --- a/arch/arm/configs/multi_v7_defconfig
> +++ b/arch/arm/configs/multi_v7_defconfig
> @@ -1,7 +1,13 @@
>   CONFIG_SYSVIPC=y
> +CONFIG_POSIX_MQUEUE=y
>   CONFIG_NO_HZ_IDLE=y
>   CONFIG_HIGH_RES_TIMERS=y
> +CONFIG_BSD_PROCESS_ACCT=y
> +CONFIG_IKCONFIG=y
> +CONFIG_IKCONFIG_PROC=y
>   CONFIG_CGROUPS=y
> +CONFIG_NAMESPACES=y
> +CONFIG_USER_NS=y
>   CONFIG_BLK_DEV_INITRD=y
>   CONFIG_EXPERT=y
>   CONFIG_PERF_EVENTS=y
> @@ -333,7 +339,7 @@ CONFIG_TOUCHSCREEN_ADC=m
>   CONFIG_TOUCHSCREEN_ATMEL_MXT=m
>   CONFIG_TOUCHSCREEN_ELAN=m
>   CONFIG_TOUCHSCREEN_MMS114=m
> -CONFIG_TOUCHSCREEN_EDT_FT5X06=m
> +CONFIG_TOUCHSCREEN_EDT_FT5X06=y
>   CONFIG_TOUCHSCREEN_WM97XX=m
>   CONFIG_TOUCHSCREEN_ST1232=m
>   CONFIG_TOUCHSCREEN_STMPE=y
> @@ -453,6 +459,7 @@ CONFIG_SPI_GXP=m
>   CONFIG_SPI_GPIO=m
>   CONFIG_SPI_FSL_DSPI=m
>   CONFIG_SPI_OMAP24XX=y
> +CONFIG_SPI_TI_QSPI=y
>   CONFIG_SPI_ORION=y
>   CONFIG_SPI_PL022=y
>   CONFIG_SPI_ROCKCHIP=m
> @@ -547,6 +554,7 @@ CONFIG_SENSORS_RASPBERRYPI_HWMON=m
>   CONFIG_SENSORS_INA2XX=m
>   CONFIG_CPU_THERMAL=y
>   CONFIG_DEVFREQ_THERMAL=y
> +CONFIG_THERMAL_EMULATION=y
>   CONFIG_IMX_THERMAL=y
>   CONFIG_QORIQ_THERMAL=m
>   CONFIG_ROCKCHIP_THERMAL=y
> @@ -555,6 +563,8 @@ CONFIG_ARMADA_THERMAL=y
>   CONFIG_BCM2711_THERMAL=m
>   CONFIG_BCM2835_THERMAL=m
>   CONFIG_BRCMSTB_THERMAL=m
> +CONFIG_TI_THERMAL=y
> +CONFIG_DRA752_THERMAL=y
>   CONFIG_ST_THERMAL_MEMMAP=y
>   CONFIG_TEGRA_SOCTHERM=m
>   CONFIG_TEGRA30_TSENSOR=m
> @@ -747,6 +757,7 @@ CONFIG_DRM_PANEL_SIMPLE=y
>   CONFIG_DRM_PANEL_EDP=y
>   CONFIG_DRM_PANEL_SAMSUNG_LD9040=m
>   CONFIG_DRM_PANEL_ORISETECH_OTM8009A=m
> +CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS=y
>   CONFIG_DRM_PANEL_RAYDIUM_RM68200=m
>   CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03=m
>   CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=m
> @@ -1260,6 +1271,7 @@ CONFIG_COUNTER=m
>   CONFIG_STM32_LPTIMER_CNT=m
>   CONFIG_STM32_TIMER_CNT=m
>   CONFIG_EXT4_FS=y
> +CONFIG_FANOTIFY=y
>   CONFIG_AUTOFS_FS=y
>   CONFIG_MSDOS_FS=y
>   CONFIG_VFAT_FS=y