linux-kernel - [PATCH v4 0/4] Increase max timeout value of s3c2410 watchdog

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Message-Id: <20250724080854.3866566-1-sw617.shin@samsung.com>
Date: Thu, 24 Jul 2025 17:08:50 +0900
From: Sangwook Shin <sw617.shin@...sung.com>
To: krzk@...nel.org, alim.akhtar@...sung.com, wim@...ux-watchdog.org,
	linux@...ck-us.net, semen.protsenko@...aro.org, khwan.seo@...sung.com,
	dongil01.park@...sung.com
Cc: linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org, Sangwook Shin
	<sw617.shin@...sung.com>
Subject: [PATCH v4 0/4] Increase max timeout value of s3c2410 watchdog

The ExynosAutoV9 and ExynosAutoV920 SoCs have a 32-bit counter register,
but due to code constraints, only 16-bit values could be used.
This series enables these SoCs to use the 32-bit counter.
Additionally, it addresses the issue where the ExynosAutoV9 SoC supports
the DBGACK bit but it was not set.

V3->V4:
  - Merge patches [v3 3/5] and [v3 4/5] into one so that Quirk and its consumer
    are part of the same patch.
  - Link to v3:
    https://lore.kernel.org/linux-watchdog/20250714055440.3138135-1-sw617.shin@samsung.com/
    https://lore.kernel.org/linux-watchdog/20250515075350.3368635-1-sw617.shin@samsung.com/

V2->V3:
  - Correct the incorrect tag information.
  - Link to v2:
    https://lore.kernel.org/linux-watchdog/20250514094220.1561378-1-sw617.shin@samsung.com/

V1->V2:
  - Modify the max_timeout calculation considering overflow
  - Separate tha max_timeout calculation into a separate patch
  - Add max_cnt in struct s3c2410_wdt
  - Set max_cnt once in probe function
  - Add patch that uses S3C2410_WTCON_PRESCALE_MAX instead of hardcoded one
  - Remove unnecessary inner parentheses
  - Link to v1:
    https://lore.kernel.org/linux-watchdog/20250513094711.2691059-1-sw617.shin@samsung.com/

Sangwook Shin (4):
  watchdog: s3c2410_wdt: Replace hardcoded values with macro definitions
  watchdog: s3c2410_wdt: Fix max_timeout being calculated larger
  watchdog: s3c2410_wdt: Increase max timeout value of watchdog
  watchdog: s3c2410_wdt: exynosautov9: Enable supported features

 drivers/watchdog/s3c2410_wdt.c | 37 +++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 12 deletions(-)

-- 
2.25.1