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[73.183.52.120]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cd6f49fcafsm756064985a.16.2026.03.09.07.39.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Mar 2026 07:39:33 -0700 (PDT) From: Brian Masney Date: Mon, 09 Mar 2026 10:38:46 -0400 Subject: [PATCH v2 07/12] clk: imx: scu: drop determine_rate op and use CLK_ROUNDING_NOOP flag Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260309-clk-det-rate-fw-managed-v2-7-c48ef5a3100a@redhat.com> References: <20260309-clk-det-rate-fw-managed-v2-0-c48ef5a3100a@redhat.com> In-Reply-To: <20260309-clk-det-rate-fw-managed-v2-0-c48ef5a3100a@redhat.com> To: Michael Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Masney , Peng Fan , Abel Vesa , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2909; i=bmasney@redhat.com; s=20250903; h=from:subject:message-id; bh=GIQeCWpXzFUtNJp/mJUZgo1pJ+8bxueWsKYYeUgP+vk=; b=owGbwMvMwCW2/dJd9di6A+2Mp9WSGDLX3Z4oJ3R3zSTjPU8qrm2YlCE1aVbV7+2GsQknTcoOH u/9VXNgX0cpC4MYF4OsmCLLklyjgojUVbb37miywMxhZQIZwsDFKQATydvN8JttUR6/67KHqj2N jU02NcpW0pUXDouve7JATG36Du4NTmEM/wz5HP7ZnliZvbBZeUPmgSXZZuwM3VuKa/ydc/JZFjP p8gIA X-Developer-Key: i=bmasney@redhat.com; a=openpgp; fpr=A46D32705865AA3DDEDC2904B7D2DD275D7EC087 This clk driver has a noop determine_rate clk op. Drop this empty function, and enable the CLK_ROUNDING_NOOP flag. Reviewed-by: Peng Fan Signed-off-by: Brian Masney --- To: Abel Vesa To: Michael Turquette To: Stephen Boyd To: Frank Li To: Sascha Hauer Cc: Peng Fan Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: linux-clk@vger.kernel.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/imx/clk-scu.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index a39c68d664655537e81df55c7e6d32304de9338a..13fb77562b031bb82d6fa2d19f9= 092ed33966aa4 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -262,23 +262,6 @@ static unsigned long clk_scu_recalc_rate(struct clk_hw= *hw, return le32_to_cpu(msg.data.resp.rate); } =20 -/* - * clk_scu_determine_rate - Returns the closest rate for a SCU clock - * @hw: clock to round rate for - * @req: clock rate request - * - * Returns 0 on success, a negative error on failure - */ -static int clk_scu_determine_rate(struct clk_hw *hw, - struct clk_rate_request *req) -{ - /* - * Assume we support all the requested rate and let the SCU firmware - * to handle the left work - */ - return 0; -} - static int clk_scu_atf_set_cpu_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -436,7 +419,6 @@ static void clk_scu_unprepare(struct clk_hw *hw) =20 static const struct clk_ops clk_scu_ops =3D { .recalc_rate =3D clk_scu_recalc_rate, - .determine_rate =3D clk_scu_determine_rate, .set_rate =3D clk_scu_set_rate, .get_parent =3D clk_scu_get_parent, .set_parent =3D clk_scu_set_parent, @@ -446,7 +428,6 @@ static const struct clk_ops clk_scu_ops =3D { =20 static const struct clk_ops clk_scu_cpu_ops =3D { .recalc_rate =3D clk_scu_recalc_rate, - .determine_rate =3D clk_scu_determine_rate, .set_rate =3D clk_scu_atf_set_cpu_rate, .prepare =3D clk_scu_prepare, .unprepare =3D clk_scu_unprepare, @@ -454,7 +435,6 @@ static const struct clk_ops clk_scu_cpu_ops =3D { =20 static const struct clk_ops clk_scu_pi_ops =3D { .recalc_rate =3D clk_scu_recalc_rate, - .determine_rate =3D clk_scu_determine_rate, .set_rate =3D clk_scu_set_rate, }; =20 @@ -491,7 +471,7 @@ struct clk_hw *__imx_clk_scu(struct device *dev, const = char *name, * clock status from HW instead of using the possible invalid * cached rate. */ - init.flags =3D CLK_GET_RATE_NOCACHE; + init.flags =3D CLK_GET_RATE_NOCACHE | CLK_ROUNDING_NOOP; clk->hw.init =3D &init; =20 hw =3D &clk->hw; --=20 2.53.0