linux-kernel - [PATCH 0/4] dmaengine: sh: rz-dmac: Add runtime PM support

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Message-ID: <20250820100428.233913-1-tommaso.merciai.xr@bp.renesas.com>
Date: Wed, 20 Aug 2025 12:04:21 +0200
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	biju.das.jz@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] dmaengine: sh: rz-dmac: Add runtime PM support

Dear All,

This patch series adds runtime PM support to the rz-dmac driver.
It also combines common code from rzg2l_cpg_assert() and rzg2l_cpg_deassert()
into a new __rzg2l_cpg_assert() helper to avoid code duplication,
and reworks __rzg2l_cpg_assert()/__rzv2h_cpg_assert() to return the state of
the assert/deassert operation.

Thanks & Regards,
Tommaso

Tommaso Merciai (4):
  clk: renesas: rzg2l: Simplify rzg2l_cpg_assert() and
    rzg2l_cpg_deassert()
  clk: renesas: rzg2l: Re-assert reset on deassert timeout
  clk: renesas: rzv2h: Re-assert reset on deassert timeout
  dmaengine: sh: rz-dmac: Add runtime PM support

 drivers/clk/renesas/rzg2l-cpg.c | 54 ++++++++++++++-----------------
 drivers/clk/renesas/rzv2h-cpg.c | 14 ++++++--
 drivers/dma/sh/rz-dmac.c        | 57 +++++++++++++++++++++++++++++----
 3 files changed, 85 insertions(+), 40 deletions(-)

-- 
2.43.0