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[9.244.8.156]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7f3c9cf3b0csm256006a34.21.2026.08.12.13.15.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2026 13:15:06 -0700 (PDT) From: Enzo Adriano To: Andre Przywara , Michael Turquette , Stephen Boyd , Chen-Yu Tsai Cc: Brian Masney , Jernej Skrabec , Samuel Holland , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Enzo Adriano Subject: [PATCH RFT 1/2] clk: sunxi-ng: add feature-aware M divider helper Date: Wed, 12 Aug 2026 16:15:01 -0400 Message-ID: <20260812201502.264919-2-enzo.adriano.code@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260812201502.264919-1-enzo.adriano.code@gmail.com> References: <20260723004856.55158e84@ryzen.lan> <20260812201502.264919-1-enzo.adriano.code@gmail.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Allow single M-divider clocks to retain common CCU features such as the hardware update bit without using the two-divider MP class. Assisted-by: Codex:gpt-5 Signed-off-by: Enzo Adriano --- not tested on A523/T527 hardware; testing on actual hardware is needed. drivers/clk/sunxi-ng/ccu_div.h | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h index be00b3277e976f..fd222ef0b8af90 100644 --- a/drivers/clk/sunxi-ng/ccu_div.h +++ b/drivers/clk/sunxi-ng/ccu_div.h @@ -212,10 +212,10 @@ struct ccu_div { SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \ _mshift, _mwidth, 0, _flags) -#define SUNXI_CCU_M_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg, \ - _mshift, _mwidth, \ - _muxshift, _muxwidth, \ - _gate, _flags) \ +#define SUNXI_CCU_M_DATA_WITH_MUX_GATE_FEAT(_struct, _name, _parents, _reg, \ + _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags, _features) \ struct ccu_div _struct = { \ .enable = _gate, \ .div = _SUNXI_CCU_DIV(_mshift, _mwidth), \ @@ -226,9 +226,19 @@ struct ccu_div { _parents, \ &ccu_div_ops, \ _flags), \ + .features = _features, \ }, \ } +#define SUNXI_CCU_M_DATA_WITH_MUX_GATE(_struct, _name, _parents, _reg, \ + _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags) \ + SUNXI_CCU_M_DATA_WITH_MUX_GATE_FEAT(_struct, _name, _parents, \ + _reg, _mshift, _mwidth, \ + _muxshift, _muxwidth, \ + _gate, _flags, 0) + #define SUNXI_CCU_M_DATA_WITH_MUX(_struct, _name, _parents, _reg, \ _mshift, _mwidth, \ _muxshift, _muxwidth, \ -- 2.53.0