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Mon, 11 Aug 2025 15:18:31 +0000 (UTC) From: Brian Masney via B4 Relay Date: Mon, 11 Aug 2025 11:18:54 -0400 Subject: [PATCH 062/114] clk: vt8500: convert from round_rate() to determine_rate() MIME-Version: 1.0 Message-Id: <20250811-clk-for-stephen-round-rate-v1-62-b3bf97b038dc@redhat.com> References: <20250811-clk-for-stephen-round-rate-v1-0-b3bf97b038dc@redhat.com> In-Reply-To: <20250811-clk-for-stephen-round-rate-v1-0-b3bf97b038dc@redhat.com> To: Michael Turquette , Stephen Boyd , Sudeep Holla , Cristian Marussi , Chen Wang , Inochi Amaoto , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Paul Cercueil , Keguang Zhang , Taichi Sugaya , Takao Orito , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jacky Huang , Shan-Chun Hung , Vladimir Zapolskiy , Piotr Wojtaszczyk , Paul Walmsley , Samuel Holland , Yixun Lan , Steen Hegelund , Daniel Machon , UNGLinuxDriver@microchip.com, Orson Zhai , Baolin Wang , Chunyan Zhang , Maxime Coquelin , Alexandre Torgue , Michal Simek , Maxime Ripard , =?utf-8?q?Andreas_F=C3=A4rber?= , Manivannan Sadhasivam , Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Eugeniy Paltsev , Ray Jui , Scott Branden , Broadcom internal kernel review list , Max Filippov , Matthias Brugger , AngeloGioacchino Del Regno , Daniel Palmer , Romain Perier , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Bjorn Andersson , Geert Uytterhoeven , Heiko Stuebner , Andrea della Porta , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Qin Jian , Viresh Kumar , Ulf Hansson , Luca Ceresoli , Alex Helms , Linus Walleij , Liviu Dudau , Lorenzo Pieralisi , Nobuhiro Iwamatsu Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sophgo@lists.linux.dev, linux-mips@vger.kernel.org, imx@lists.linux.dev, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, patches@opensource.cirrus.com, linux-actions@lists.infradead.org, asahi@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, soc@lists.linux.dev, Brian Masney X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1754925498; l=4942; i=bmasney@redhat.com; s=20250528; h=from:subject:message-id; bh=jZ22CUcrOjD9ewjvCFdGvPS2YTij7PZfRU8lYtOhk2M=; b=gxljePog34SFWKNyz8PmTAiXpvxW8K7cHFeeEFaEsIOALnOyd0Jp0sOAfN+WFPjC78GBeB8N3 QOMTV4c8pNMCqPc4nr4EShNddG4g4aGy6GhvNJgP/eVjQY7P46ecqEk X-Developer-Key: i=bmasney@redhat.com; a=ed25519; pk=x20f2BQYftANnik+wvlm4HqLqAlNs/npfVcbhHPOK2U= X-Endpoint-Received: by B4 Relay for bmasney@redhat.com/20250528 with auth_id=472 X-Original-From: Brian Masney X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250811_081834_971207_EE75B720 X-CRM114-Status: GOOD ( 18.00 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: bmasney@redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Brian Masney The round_rate() clk ops is deprecated, so migrate this driver from round_rate() to determine_rate() using the Coccinelle semantic patch on the cover letter of this series. Signed-off-by: Brian Masney --- drivers/clk/clk-vt8500.c | 59 ++++++++++++++++++++++++++++-------------------- 1 file changed, 35 insertions(+), 24 deletions(-) diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c index 2a74a713ad5954de578f43972a6243f22dd2c0d6..eae5b3fbfb823f77e6cd9601bd221382d4eccf42 100644 --- a/drivers/clk/clk-vt8500.c +++ b/drivers/clk/clk-vt8500.c @@ -128,30 +128,31 @@ static unsigned long vt8500_dclk_recalc_rate(struct clk_hw *hw, return parent_rate / div; } -static long vt8500_dclk_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int vt8500_dclk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_device *cdev = to_clk_device(hw); u32 divisor; - if (rate == 0) + if (req->rate == 0) return 0; - divisor = *prate / rate; + divisor = req->best_parent_rate / req->rate; /* If prate / rate would be decimal, incr the divisor */ - if (rate * divisor < *prate) + if (req->rate * divisor < req->best_parent_rate) divisor++; /* * If this is a request for SDMMC we have to adjust the divisor * when >31 to use the fixed predivisor */ - if ((cdev->div_mask == 0x3F) && (divisor > 31)) { + if ((cdev->div_mask == 0x3F) && (divisor > 31)) divisor = 64 * ((divisor / 64) + 1); - } - return *prate / divisor; + req->rate = req->best_parent_rate / divisor; + + return 0; } static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate, @@ -202,7 +203,7 @@ static const struct clk_ops vt8500_gated_clk_ops = { }; static const struct clk_ops vt8500_divisor_clk_ops = { - .round_rate = vt8500_dclk_round_rate, + .determine_rate = vt8500_dclk_determine_rate, .set_rate = vt8500_dclk_set_rate, .recalc_rate = vt8500_dclk_recalc_rate, }; @@ -211,7 +212,7 @@ static const struct clk_ops vt8500_gated_divisor_clk_ops = { .enable = vt8500_dclk_enable, .disable = vt8500_dclk_disable, .is_enabled = vt8500_dclk_is_enabled, - .round_rate = vt8500_dclk_round_rate, + .determine_rate = vt8500_dclk_determine_rate, .set_rate = vt8500_dclk_set_rate, .recalc_rate = vt8500_dclk_recalc_rate, }; @@ -594,8 +595,8 @@ static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } -static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int vtwm_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_pll *pll = to_clk_pll(hw); u32 filter, mul, div1, div2; @@ -604,33 +605,43 @@ static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate, switch (pll->type) { case PLL_TYPE_VT8500: - ret = vt8500_find_pll_bits(rate, *prate, &mul, &div1); + ret = vt8500_find_pll_bits(req->rate, req->best_parent_rate, + &mul, &div1); if (!ret) - round_rate = VT8500_BITS_TO_FREQ(*prate, mul, div1); + round_rate = VT8500_BITS_TO_FREQ(req->best_parent_rate, + mul, div1); break; case PLL_TYPE_WM8650: - ret = wm8650_find_pll_bits(rate, *prate, &mul, &div1, &div2); + ret = wm8650_find_pll_bits(req->rate, req->best_parent_rate, + &mul, &div1, &div2); if (!ret) - round_rate = WM8650_BITS_TO_FREQ(*prate, mul, div1, div2); + round_rate = WM8650_BITS_TO_FREQ(req->best_parent_rate, + mul, div1, div2); break; case PLL_TYPE_WM8750: - ret = wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2); + ret = wm8750_find_pll_bits(req->rate, req->best_parent_rate, + &filter, &mul, &div1, &div2); if (!ret) - round_rate = WM8750_BITS_TO_FREQ(*prate, mul, div1, div2); + round_rate = WM8750_BITS_TO_FREQ(req->best_parent_rate, + mul, div1, div2); break; case PLL_TYPE_WM8850: - ret = wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2); + ret = wm8850_find_pll_bits(req->rate, req->best_parent_rate, + &mul, &div1, &div2); if (!ret) - round_rate = WM8850_BITS_TO_FREQ(*prate, mul, div1, div2); + round_rate = WM8850_BITS_TO_FREQ(req->best_parent_rate, + mul, div1, div2); break; default: - ret = -EINVAL; + return -EINVAL; } if (ret) - return ret; + req->rate = ret; + else + req->rate = round_rate; - return round_rate; + return 0; } static unsigned long vtwm_pll_recalc_rate(struct clk_hw *hw, @@ -665,7 +676,7 @@ static unsigned long vtwm_pll_recalc_rate(struct clk_hw *hw, } static const struct clk_ops vtwm_pll_ops = { - .round_rate = vtwm_pll_round_rate, + .determine_rate = vtwm_pll_determine_rate, .set_rate = vtwm_pll_set_rate, .recalc_rate = vtwm_pll_recalc_rate, }; -- 2.50.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv