From: Sebastian Reichel <sebastian.reichel@collabora.com> To: Heiko Stuebner <heiko@sntech.de>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Lee Jones <lee@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Brown <broonie@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Alessandro Zummo <a.zummo@towertech.it>, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel <sebastian.reichel@collabora.com>, kernel@collabora.com Subject: [PATCHv2 03/13] clk: RK808: reduce 'struct rk808' usage Date: Thu, 8 Sep 2022 02:30:57 +0200 [thread overview] Message-ID: <20220908003107.220143-4-sebastian.reichel@collabora.com> (raw) In-Reply-To: <20220908003107.220143-1-sebastian.reichel@collabora.com> Reduce usage of 'struct rk808' (driver data of the parent MFD), so that only the chip variant field is still being accessed directly. This allows restructuring the MFD driver to support SPI based PMICs. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> --- drivers/clk/clk-rk808.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c index 32f833d732ed..f7412b137e5e 100644 --- a/drivers/clk/clk-rk808.c +++ b/drivers/clk/clk-rk808.c @@ -12,10 +12,9 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/mfd/rk808.h> -#include <linux/i2c.h> struct rk808_clkout { - struct rk808 *rk808; + struct regmap *regmap; struct clk_hw clkout1_hw; struct clk_hw clkout2_hw; }; @@ -31,9 +30,8 @@ static int rk808_clkout2_enable(struct clk_hw *hw, bool enable) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; - return regmap_update_bits(rk808->regmap, RK808_CLK32OUT_REG, + return regmap_update_bits(rk808_clkout->regmap, RK808_CLK32OUT_REG, CLK32KOUT2_EN, enable ? CLK32KOUT2_EN : 0); } @@ -52,10 +50,9 @@ static int rk808_clkout2_is_prepared(struct clk_hw *hw) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; uint32_t val; - int ret = regmap_read(rk808->regmap, RK808_CLK32OUT_REG, &val); + int ret = regmap_read(rk808_clkout->regmap, RK808_CLK32OUT_REG, &val); if (ret < 0) return ret; @@ -93,9 +90,8 @@ static int rk817_clkout2_enable(struct clk_hw *hw, bool enable) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; - return regmap_update_bits(rk808->regmap, RK817_SYS_CFG(1), + return regmap_update_bits(rk808_clkout->regmap, RK817_SYS_CFG(1), RK817_CLK32KOUT2_EN, enable ? RK817_CLK32KOUT2_EN : 0); } @@ -115,10 +111,9 @@ static int rk817_clkout2_is_prepared(struct clk_hw *hw) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; unsigned int val; - int ret = regmap_read(rk808->regmap, RK817_SYS_CFG(1), &val); + int ret = regmap_read(rk808_clkout->regmap, RK817_SYS_CFG(1), &val); if (ret < 0) return 0; @@ -153,18 +148,21 @@ static const struct clk_ops *rkpmic_get_ops(long variant) static int rk808_clkout_probe(struct platform_device *pdev) { struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent); - struct i2c_client *client = rk808->i2c; - struct device_node *node = client->dev.of_node; + struct device *dev = &pdev->dev; struct clk_init_data init = {}; struct rk808_clkout *rk808_clkout; int ret; - rk808_clkout = devm_kzalloc(&client->dev, + dev->of_node = pdev->dev.parent->of_node; + + rk808_clkout = devm_kzalloc(dev, sizeof(*rk808_clkout), GFP_KERNEL); if (!rk808_clkout) return -ENOMEM; - rk808_clkout->rk808 = rk808; + rk808_clkout->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!rk808_clkout->regmap) + return -ENODEV; init.parent_names = NULL; init.num_parents = 0; @@ -173,10 +171,10 @@ static int rk808_clkout_probe(struct platform_device *pdev) rk808_clkout->clkout1_hw.init = &init; /* optional override of the clockname */ - of_property_read_string_index(node, "clock-output-names", + of_property_read_string_index(dev->of_node, "clock-output-names", 0, &init.name); - ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout1_hw); + ret = devm_clk_hw_register(dev, &rk808_clkout->clkout1_hw); if (ret) return ret; @@ -185,10 +183,10 @@ static int rk808_clkout_probe(struct platform_device *pdev) rk808_clkout->clkout2_hw.init = &init; /* optional override of the clockname */ - of_property_read_string_index(node, "clock-output-names", + of_property_read_string_index(dev->of_node, "clock-output-names", 1, &init.name); - ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout2_hw); + ret = devm_clk_hw_register(dev, &rk808_clkout->clkout2_hw); if (ret) return ret; -- 2.35.1
WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Reichel <sebastian.reichel@collabora.com> To: Heiko Stuebner <heiko@sntech.de>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Lee Jones <lee@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Brown <broonie@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Alessandro Zummo <a.zummo@towertech.it>, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel <sebastian.reichel@collabora.com>, kernel@collabora.com Subject: [PATCHv2 03/13] clk: RK808: reduce 'struct rk808' usage Date: Thu, 8 Sep 2022 02:30:57 +0200 [thread overview] Message-ID: <20220908003107.220143-4-sebastian.reichel@collabora.com> (raw) In-Reply-To: <20220908003107.220143-1-sebastian.reichel@collabora.com> Reduce usage of 'struct rk808' (driver data of the parent MFD), so that only the chip variant field is still being accessed directly. This allows restructuring the MFD driver to support SPI based PMICs. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> --- drivers/clk/clk-rk808.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c index 32f833d732ed..f7412b137e5e 100644 --- a/drivers/clk/clk-rk808.c +++ b/drivers/clk/clk-rk808.c @@ -12,10 +12,9 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/mfd/rk808.h> -#include <linux/i2c.h> struct rk808_clkout { - struct rk808 *rk808; + struct regmap *regmap; struct clk_hw clkout1_hw; struct clk_hw clkout2_hw; }; @@ -31,9 +30,8 @@ static int rk808_clkout2_enable(struct clk_hw *hw, bool enable) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; - return regmap_update_bits(rk808->regmap, RK808_CLK32OUT_REG, + return regmap_update_bits(rk808_clkout->regmap, RK808_CLK32OUT_REG, CLK32KOUT2_EN, enable ? CLK32KOUT2_EN : 0); } @@ -52,10 +50,9 @@ static int rk808_clkout2_is_prepared(struct clk_hw *hw) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; uint32_t val; - int ret = regmap_read(rk808->regmap, RK808_CLK32OUT_REG, &val); + int ret = regmap_read(rk808_clkout->regmap, RK808_CLK32OUT_REG, &val); if (ret < 0) return ret; @@ -93,9 +90,8 @@ static int rk817_clkout2_enable(struct clk_hw *hw, bool enable) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; - return regmap_update_bits(rk808->regmap, RK817_SYS_CFG(1), + return regmap_update_bits(rk808_clkout->regmap, RK817_SYS_CFG(1), RK817_CLK32KOUT2_EN, enable ? RK817_CLK32KOUT2_EN : 0); } @@ -115,10 +111,9 @@ static int rk817_clkout2_is_prepared(struct clk_hw *hw) struct rk808_clkout *rk808_clkout = container_of(hw, struct rk808_clkout, clkout2_hw); - struct rk808 *rk808 = rk808_clkout->rk808; unsigned int val; - int ret = regmap_read(rk808->regmap, RK817_SYS_CFG(1), &val); + int ret = regmap_read(rk808_clkout->regmap, RK817_SYS_CFG(1), &val); if (ret < 0) return 0; @@ -153,18 +148,21 @@ static const struct clk_ops *rkpmic_get_ops(long variant) static int rk808_clkout_probe(struct platform_device *pdev) { struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent); - struct i2c_client *client = rk808->i2c; - struct device_node *node = client->dev.of_node; + struct device *dev = &pdev->dev; struct clk_init_data init = {}; struct rk808_clkout *rk808_clkout; int ret; - rk808_clkout = devm_kzalloc(&client->dev, + dev->of_node = pdev->dev.parent->of_node; + + rk808_clkout = devm_kzalloc(dev, sizeof(*rk808_clkout), GFP_KERNEL); if (!rk808_clkout) return -ENOMEM; - rk808_clkout->rk808 = rk808; + rk808_clkout->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!rk808_clkout->regmap) + return -ENODEV; init.parent_names = NULL; init.num_parents = 0; @@ -173,10 +171,10 @@ static int rk808_clkout_probe(struct platform_device *pdev) rk808_clkout->clkout1_hw.init = &init; /* optional override of the clockname */ - of_property_read_string_index(node, "clock-output-names", + of_property_read_string_index(dev->of_node, "clock-output-names", 0, &init.name); - ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout1_hw); + ret = devm_clk_hw_register(dev, &rk808_clkout->clkout1_hw); if (ret) return ret; @@ -185,10 +183,10 @@ static int rk808_clkout_probe(struct platform_device *pdev) rk808_clkout->clkout2_hw.init = &init; /* optional override of the clockname */ - of_property_read_string_index(node, "clock-output-names", + of_property_read_string_index(dev->of_node, "clock-output-names", 1, &init.name); - ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout2_hw); + ret = devm_clk_hw_register(dev, &rk808_clkout->clkout2_hw); if (ret) return ret; -- 2.35.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2022-09-08 0:31 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-08 0:30 [PATCHv2 00/13] Introduce RK806 Support Sebastian Reichel 2022-09-08 0:30 ` Sebastian Reichel 2022-09-08 0:30 ` [PATCHv2 01/13] mfd: rk808: convert to device managed resources Sebastian Reichel 2022-09-08 0:30 ` Sebastian Reichel 2022-09-08 0:30 ` [PATCHv2 02/13] mfd: rk808: use dev_err_probe Sebastian Reichel 2022-09-08 0:30 ` Sebastian Reichel 2022-09-08 8:45 ` Robin Murphy 2022-09-08 8:45 ` Robin Murphy 2022-09-08 0:30 ` Sebastian Reichel [this message] 2022-09-08 0:30 ` [PATCHv2 03/13] clk: RK808: reduce 'struct rk808' usage Sebastian Reichel 2022-09-08 0:30 ` [PATCHv2 04/13] regulator: rk808: " Sebastian Reichel 2022-09-08 0:30 ` Sebastian Reichel 2022-09-08 0:30 ` [PATCHv2 05/13] rtc: " Sebastian Reichel 2022-09-08 0:30 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 06/13] mfd: rk808: replace 'struct i2c_client' with 'struct device' Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 07/13] mfd: rk808: split into core and i2c Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 08/13] dt-bindings: mfd: add rk806 binding Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 8:51 ` Krzysztof Kozlowski 2022-09-08 8:51 ` Krzysztof Kozlowski 2022-09-08 12:35 ` Rob Herring 2022-09-08 12:35 ` Rob Herring 2022-09-08 0:31 ` [PATCHv2 09/13] mfd: rk8xx: add rk806 support Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 10/13] pinctrl: rk805: add rk806 pinctrl support Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 11/13] regulator: rk808: Use dev_err_probe Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 0:31 ` [PATCHv2 12/13] regulator: rk808: add rk806 support Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel 2022-09-08 7:45 ` Matti Vaittinen 2022-09-08 7:45 ` Matti Vaittinen 2022-09-08 11:31 ` Mark Brown 2022-09-08 11:31 ` Mark Brown 2022-09-08 0:31 ` [PATCHv2 13/13] ASoC: rk817: Remove 'select REGMAP_I2C' Sebastian Reichel 2022-09-08 0:31 ` Sebastian Reichel
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