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[178.79.73.218]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4715e4e267fsm64723995e9.12.2025.10.20.08.27.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 08:27:08 -0700 (PDT) From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec , Andre Przywara Subject: [PATCH v2] clk: sunxi-ng: Mark A523 bus-r-cpucfg clock as critical Date: Mon, 20 Oct 2025 17:27:04 +0200 Message-ID: <20251020152704.4804-1-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" bus-r-cpucfg clock is important for peripheral which takes care of powering CPU cores on and off. Since this operation is done by firmware (TF-A), mark it as critical. That way Linux won't interfere with that clock. Fixes: 8cea339cfb81 ("clk: sunxi-ng: add support for the A523/T527 PRCM CCU= ") Signed-off-by: Jernej Skrabec Reviewed-by: Andre Przywara Tested-by: Andre Przywara --- Changes from v1: - fixed typos - added r-b and t-b tags drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c b/drivers/clk/sunxi-n= g/ccu-sun55i-a523-r.c index 70ce0ca0cb7d..c5b0d4a2e397 100644 --- a/drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c @@ -125,7 +125,7 @@ static SUNXI_CCU_GATE_HW(bus_r_dma_clk, "bus-r-dma", static SUNXI_CCU_GATE_HW(bus_r_rtc_clk, "bus-r-rtc", &r_apb0_clk.common.hw, 0x20c, BIT(0), 0); static SUNXI_CCU_GATE_HW(bus_r_cpucfg_clk, "bus-r-cpucfg", - &r_apb0_clk.common.hw, 0x22c, BIT(0), 0); + &r_apb0_clk.common.hw, 0x22c, BIT(0), CLK_IS_CRITICAL); =20 static struct ccu_common *sun55i_a523_r_ccu_clks[] =3D { &r_ahb_clk.common, --=20 2.51.1