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Wed, 27 May 2020 11:45:46 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne Subject: [PATCH v3 13/25] clk: bcm: rpi: Create a data structure for the clocks Date: Wed, 27 May 2020 17:45:09 +0200 Message-Id: X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_084548_743340_D8956A1E X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , Stephen Boyd , Michael Turquette , linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org So far the driver has really only been providing a single clock, and stored both the data associated to that clock in particular with the data associated to the "controller". Since we will change that in the future, let's decouple the clock data from the provider data. Cc: Michael Turquette Cc: linux-clk@vger.kernel.org Acked-by: Nicolas Saenz Julienne Reviewed-by: Stephen Boyd Signed-off-by: Maxime Ripard --- drivers/clk/bcm/clk-raspberrypi.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index e135ad28d38d..00735704eabc 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -35,8 +35,11 @@ struct raspberrypi_clk { struct device *dev; struct rpi_firmware *firmware; struct platform_device *cpufreq; +}; - struct clk_hw pllb; +struct raspberrypi_clk_data { + struct clk_hw hw; + struct raspberrypi_clk *rpi; }; /* @@ -80,8 +83,9 @@ static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag, static int raspberrypi_fw_pll_is_on(struct clk_hw *hw) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 val = 0; int ret; @@ -98,8 +102,9 @@ static int raspberrypi_fw_pll_is_on(struct clk_hw *hw) static unsigned long raspberrypi_fw_pll_get_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 val = 0; int ret; @@ -116,8 +121,9 @@ static unsigned long raspberrypi_fw_pll_get_rate(struct clk_hw *hw, static int raspberrypi_fw_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 new_rate = rate / RPI_FIRMWARE_PLLB_ARM_DIV_RATE; int ret; @@ -168,10 +174,15 @@ static const struct clk_ops raspberrypi_firmware_pll_clk_ops = { static int raspberrypi_register_pllb(struct raspberrypi_clk *rpi) { + struct raspberrypi_clk_data *data; struct clk_init_data init = {}; u32 min_rate = 0, max_rate = 0; int ret; + data = devm_kzalloc(rpi->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + data->rpi = rpi; /* All of the PLLs derive from the external oscillator. */ init.parent_names = (const char *[]){ "osc" }; @@ -210,11 +221,11 @@ static int raspberrypi_register_pllb(struct raspberrypi_clk *rpi) dev_info(rpi->dev, "CPU frequency range: min %u, max %u\n", min_rate, max_rate); - rpi->pllb.init = &init; + data->hw.init = &init; - ret = devm_clk_hw_register(rpi->dev, &rpi->pllb); + ret = devm_clk_hw_register(rpi->dev, &data->hw); if (!ret) - clk_hw_set_rate_range(&rpi->pllb, + clk_hw_set_rate_range(&data->hw, min_rate * RPI_FIRMWARE_PLLB_ARM_DIV_RATE, max_rate * RPI_FIRMWARE_PLLB_ARM_DIV_RATE); -- git-series 0.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel