[PATCH v3 0/4] clocksource: Add module support for timer drivers

[Trilok Soni]

On 3/3/2026 6:57 PM, Zhipeng Wang wrote:
> This patch series enables clocksource timer drivers to be built as
> loadable kernel modules, which is particularly useful for GKI
> (Generic Kernel Image) configurations.
> 
> This series is based on the previous MediaTek timer modularization work:
> Link: https://lore.kernel.org/all/20230517022557.24388-1-walter.chang@mediatek.com/

You are not explaining clearly on the why part? Does MTK doesn't have
ARM compliant timers and due to which you have specific timer driver?

It is not clear. 


> 
> The series includes:
> 1. Export necessary functions from clocksource/mmio
> 2. Remove __init markings from timer-of to support modules
> 3. Convert MediaTek timer driver to support module build
> 4. Convert i.MX TPM timer driver to support module build
> 
> Testing performed:
> - Built and tested on i.MX8ULP platform
> - Built and tested on MediaTek platform
> - Verified both built-in and module configurations
> - Confirmed timer functionality in both configurations
> 
> Changes in v3:
> - Reworded summary line for timer-mediatek driver as suggested.
> - Improved commit message formatting (line wrapping).
> - No functional changes to the code.
> 
> Changes in v2:
> - Added Signed-off-by from submitter (Zhipeng Wang) to all patches
>   as requested by reviewers
> 
> Changes in v1:
> - Fixed 'unsigned' to 'unsigned int' in clocksource_mmio_init()
> - Changed MODULE_LICENSE from "GPL v2" to "GPL" for mediatek driver
> - Added i.MX TPM timer driver module support
> 
> Chun-Hung Wu (3):
>   clocksource/drivers/mmio: Export clocksource_mmio_init()
>   clocksource/drivers/timer-of: Remove __init markings
>   clocksource/drivers/timer-mediatek: Convert timer-mediatek to a
>     loadable module
> 
> Jindong Yue (1):
>   clocksource/drivers/imx-tpm: Support building imx-tpm driver as module
> 
>  drivers/clocksource/Kconfig          |  4 ++--
>  drivers/clocksource/mmio.c           |  8 ++++---
>  drivers/clocksource/timer-imx-tpm.c  | 36 +++++++++++++++++++++++++---
>  drivers/clocksource/timer-mediatek.c | 33 +++++++++++++++++++++++++
>  drivers/clocksource/timer-of.c       | 23 +++++++++---------
>  drivers/clocksource/timer-of.h       |  6 ++---
>  6 files changed, 88 insertions(+), 22 deletions(-)
>