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From: Prabhakar <prabhakar.csengg@gmail.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-watchdog@vger.kernel.org,
	linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Prabhakar <prabhakar.csengg+renesas@gmail.com>,
	Biju Das <biju.das.jz@bp.renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: [PATCH 0/3] watchdog: rzv2h: Convert WDTDCR handling to regmap
Date: Thu,  2 Jul 2026 17:04:54 +0100	[thread overview]
Message-ID: <20260702160457.1884345-1-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Hi All,

This patch series converts the WDTDCR register access from raw
readl/writel variants over to the regmap framework using
devm_regmap_init_mmio(). This conversion serves as a preparatory
refactoring step. It allows the driver to subsequently support
syscon-based system controllers natively by passing along alternative
regmap handles without forcing messy architectural branching at runtime.

Note,
 - This change was suggested [0]
   [0] https://lore.kernel.org/all/c3ef312a-4c26-498c-90c8-118c6dc035a0@roeck-us.net/ 
- Patches are rebased on top of next-20260701

Cheers,
Prabhakar

Lad Prabhakar (3):
  watchdog: rzv2h: Refactor WDTDCR start/stop handling
  watchdog: rzv2h: Convert WDTDCR handling to regmap
  watchdog: rzv2h: Drop WDTRCR_RSTIRQS macro

 drivers/watchdog/rzv2h_wdt.c | 81 ++++++++++++++++++++++++++----------
 1 file changed, 59 insertions(+), 22 deletions(-)

-- 
2.54.0


             reply	other threads:[~2026-07-02 16:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-02 16:04 Prabhakar [this message]
2026-07-02 16:04 ` [PATCH 1/3] watchdog: rzv2h: Refactor WDTDCR start/stop handling Prabhakar
2026-07-02 16:04 ` [PATCH 2/3] watchdog: rzv2h: Convert WDTDCR handling to regmap Prabhakar
2026-07-03  7:35   ` Philipp Zabel
2026-07-14 15:41     ` Lad, Prabhakar
2026-07-02 16:04 ` [PATCH 3/3] watchdog: rzv2h: Drop WDTRCR_RSTIRQS macro Prabhakar

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