diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt index 131e8c1..681afad 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -1,7 +1,9 @@ TI SOC ECAP based APWM controller Required properties: -- compatible: Must be "ti,am33xx-ecap" +- compatible: Must be "ti,-ecap". + for am33xx - compatible = "ti,am33xx-ecap"; + for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap"; - #pwm-cells: Should be 3. Number of cells being used to specify PWM property. First cell specifies the per-chip index of the PWM to use, the second cell is the period in nanoseconds and bit 0 in the third cell is used to @@ -15,9 +17,15 @@ Optional properties: Example: -ecap0: ecap@0 { +ecap0: ecap@0 { /* ECAP on am33xx */ compatible = "ti,am33xx-ecap"; #pwm-cells = <3>; reg = <0x48300100 0x80>; ti,hwmods = "ecap0"; }; + +ecap0: ecap@0 { /* ECAP on da850 */ + compatible = "ti,da850-ecap", "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x306000 0x80>; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index 4fc7079..337c6fc 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -1,7 +1,9 @@ TI SOC EHRPWM based PWM controller Required properties: -- compatible : Must be "ti,am33xx-ehrpwm" +- compatible: Must be "ti,-ehrpwm". + for am33xx - compatible = "ti,am33xx-ehrpwm"; + for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; - #pwm-cells: Should be 3. Number of cells being used to specify PWM property. First cell specifies the per-chip index of the PWM to use, the second cell is the period in nanoseconds and bit 0 in the third cell is used to @@ -15,9 +17,15 @@ Optional properties: Example: -ehrpwm0: ehrpwm@0 { +ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */ compatible = "ti,am33xx-ehrpwm"; #pwm-cells = <3>; reg = <0x48300200 0x100>; ti,hwmods = "ehrpwm0"; }; + +ehrpwm0: ehrpwm@0 { /* EHRPWM on da850 */ + compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x300000 0x2000>; +}; diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 0e0bfa0..115b644 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -147,8 +147,7 @@ config PWM_TEGRA config PWM_TIECAP tristate "ECAP PWM support" - depends on SOC_AM33XX - select PWM_TIPWMSS + depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX help PWM driver support for the ECAP APWM controller found on AM33XX TI SOC @@ -158,8 +157,7 @@ config PWM_TIECAP config PWM_TIEHRPWM tristate "EHRPWM PWM support" - depends on SOC_AM33XX - select PWM_TIPWMSS + depends on SOC_AM33XX || ARCH_DAVINCI_DA8XX help PWM driver support for the EHRPWM controller found on AM33XX TI SOC @@ -169,7 +167,7 @@ config PWM_TIEHRPWM config PWM_TIPWMSS bool - depends on SOC_AM33XX && (PWM_TIEHRPWM || PWM_TIECAP) + default y if SOC_AM33XX && (PWM_TIECAP || PWM_TIEHRPWM) help PWM Subsystem driver support for AM33xx SOC. diff --git a/drivers/pwm/pwm-ab8500.c b/drivers/pwm/pwm-ab8500.c index 4248d04..1d07a6f 100644 --- a/drivers/pwm/pwm-ab8500.c +++ b/drivers/pwm/pwm-ab8500.c @@ -66,7 +66,7 @@ static int ab8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) AB8500_MISC, AB8500_PWM_OUT_CTRL7_REG, 1 << (chip->base - 1), ENABLE_PWM); if (ret < 0) - dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n", + dev_err(chip->dev, "%s: Failed to enable PWM, Error %d\n", pwm->label, ret); return ret; } @@ -88,6 +88,7 @@ static const struct pwm_ops ab8500_pwm_ops = { .config = ab8500_pwm_config, .enable = ab8500_pwm_enable, .disable = ab8500_pwm_disable, + .owner = THIS_MODULE, }; static int ab8500_pwm_probe(struct platform_device *pdev) @@ -99,7 +100,7 @@ static int ab8500_pwm_probe(struct platform_device *pdev) * Nothing to be done in probe, this is required to get the * device which is required for ab8500 read and write */ - ab8500 = kzalloc(sizeof(*ab8500), GFP_KERNEL); + ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL); if (ab8500 == NULL) { dev_err(&pdev->dev, "failed to allocate memory\n"); return -ENOMEM; @@ -111,10 +112,8 @@ static int ab8500_pwm_probe(struct platform_device *pdev) ab8500->chip.npwm = 1; err = pwmchip_add(&ab8500->chip); - if (err < 0) { - kfree(ab8500); + if (err < 0) return err; - } dev_dbg(&pdev->dev, "pwm probe successful\n"); platform_set_drvdata(pdev, ab8500); @@ -132,7 +131,6 @@ static int ab8500_pwm_remove(struct platform_device *pdev) return err; dev_dbg(&pdev->dev, "pwm driver removed\n"); - kfree(ab8500); return 0; } diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index 16cb530..0a7b658 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -358,6 +358,7 @@ static const struct pwm_ops atmel_tcb_pwm_ops = { .set_polarity = atmel_tcb_pwm_set_polarity, .enable = atmel_tcb_pwm_enable, .disable = atmel_tcb_pwm_disable, + .owner = THIS_MODULE, }; static int atmel_tcb_pwm_probe(struct platform_device *pdev) diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 3f5677b..ec28798 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -43,7 +43,6 @@ struct imx_chip { struct clk *clk_per; struct clk *clk_ipg; - int enabled; void __iomem *mmio_base; struct pwm_chip chip; @@ -135,7 +134,7 @@ static int imx_pwm_config_v2(struct pwm_chip *chip, MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | MX3_PWMCR_DBGEN | MX3_PWMCR_CLKSRC_IPG_HIGH; - if (imx->enabled) + if (test_bit(PWMF_ENABLED, &pwm->flags)) cr |= MX3_PWMCR_EN; writel(cr, imx->mmio_base + MX3_PWMCR); @@ -186,8 +185,6 @@ static int imx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) imx->set_enable(chip, true); - imx->enabled = 1; - return 0; } @@ -198,7 +195,6 @@ static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) imx->set_enable(chip, false); clk_disable_unprepare(imx->clk_per); - imx->enabled = 0; } static struct pwm_ops imx_pwm_ops = { diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c index b3f0d0d..8272883 100644 --- a/drivers/pwm/pwm-lpc32xx.c +++ b/drivers/pwm/pwm-lpc32xx.c @@ -37,6 +37,7 @@ static int lpc32xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, struct lpc32xx_pwm_chip *lpc32xx = to_lpc32xx_pwm_chip(chip); unsigned long long c; int period_cycles, duty_cycles; + u32 val; c = clk_get_rate(lpc32xx->clk) / 256; c = c * period_ns; @@ -68,8 +69,10 @@ static int lpc32xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, c = 255; duty_cycles = 256 - c; - writel(PWM_ENABLE | PWM_RELOADV(period_cycles) | PWM_DUTY(duty_cycles), - lpc32xx->base + (pwm->hwpwm << 2)); + val = readl(lpc32xx->base + (pwm->hwpwm << 2)); + val &= ~0xFFFF; + val |= PWM_RELOADV(period_cycles) | PWM_DUTY(duty_cycles); + writel(val, lpc32xx->base + (pwm->hwpwm << 2)); return 0; } @@ -77,15 +80,29 @@ static int lpc32xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, static int lpc32xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { struct lpc32xx_pwm_chip *lpc32xx = to_lpc32xx_pwm_chip(chip); + u32 val; + int ret; + + ret = clk_enable(lpc32xx->clk); + if (ret) + return ret; - return clk_enable(lpc32xx->clk); + val = readl(lpc32xx->base + (pwm->hwpwm << 2)); + val |= PWM_ENABLE; + writel(val, lpc32xx->base + (pwm->hwpwm << 2)); + + return 0; } static void lpc32xx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { struct lpc32xx_pwm_chip *lpc32xx = to_lpc32xx_pwm_chip(chip); + u32 val; + + val = readl(lpc32xx->base + (pwm->hwpwm << 2)); + val &= ~PWM_ENABLE; + writel(val, lpc32xx->base + (pwm->hwpwm << 2)); - writel(0, lpc32xx->base + (pwm->hwpwm << 2)); clk_disable(lpc32xx->clk); } @@ -145,7 +162,7 @@ static int lpc32xx_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&lpc32xx->chip); } -static struct of_device_id lpc32xx_pwm_dt_ids[] = { +static const struct of_device_id lpc32xx_pwm_dt_ids[] = { { .compatible = "nxp,lpc3220-pwm", }, { /* sentinel */ } }; diff --git a/drivers/pwm/pwm-mxs.c b/drivers/pwm/pwm-mxs.c index a53d309..3febddd 100644 --- a/drivers/pwm/pwm-mxs.c +++ b/drivers/pwm/pwm-mxs.c @@ -38,7 +38,6 @@ struct mxs_pwm_chip { struct pwm_chip chip; - struct device *dev; struct clk *clk; void __iomem *base; }; @@ -166,7 +165,6 @@ static int mxs_pwm_probe(struct platform_device *pdev) return ret; } - mxs->dev = &pdev->dev; platform_set_drvdata(pdev, mxs); stmp_reset_block(mxs->base); @@ -181,7 +179,7 @@ static int mxs_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&mxs->chip); } -static struct of_device_id mxs_pwm_dt_ids[] = { +static const struct of_device_id mxs_pwm_dt_ids[] = { { .compatible = "fsl,imx23-pwm", }, { /* sentinel */ } }; diff --git a/drivers/pwm/pwm-puv3.c b/drivers/pwm/pwm-puv3.c index db964e6..d1eb499 100644 --- a/drivers/pwm/pwm-puv3.c +++ b/drivers/pwm/pwm-puv3.c @@ -27,7 +27,6 @@ struct puv3_pwm_chip { struct pwm_chip chip; void __iomem *base; struct clk *clk; - bool enabled; }; static inline struct puv3_pwm_chip *to_puv3(struct pwm_chip *chip) diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c index 20370e6..dee6ab5 100644 --- a/drivers/pwm/pwm-pxa.c +++ b/drivers/pwm/pwm-pxa.c @@ -23,14 +23,13 @@ #include #define HAS_SECONDARY_PWM 0x10 -#define PWM_ID_BASE(d) ((d) & 0xf) static const struct platform_device_id pwm_id_table[] = { /* PWM has_secondary_pwm? */ { "pxa25x-pwm", 0 }, - { "pxa27x-pwm", 0 | HAS_SECONDARY_PWM }, - { "pxa168-pwm", 1 }, - { "pxa910-pwm", 1 }, + { "pxa27x-pwm", HAS_SECONDARY_PWM }, + { "pxa168-pwm", 0 }, + { "pxa910-pwm", 0 }, { }, }; MODULE_DEVICE_TABLE(platform, pwm_id_table); @@ -48,7 +47,6 @@ struct pxa_pwm_chip { struct device *dev; struct clk *clk; - int clk_enabled; void __iomem *mmio_base; }; @@ -108,24 +106,15 @@ static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, static int pxa_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { struct pxa_pwm_chip *pc = to_pxa_pwm_chip(chip); - int rc = 0; - if (!pc->clk_enabled) { - rc = clk_prepare_enable(pc->clk); - if (!rc) - pc->clk_enabled++; - } - return rc; + return clk_prepare_enable(pc->clk); } static void pxa_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { struct pxa_pwm_chip *pc = to_pxa_pwm_chip(chip); - if (pc->clk_enabled) { - clk_disable_unprepare(pc->clk); - pc->clk_enabled--; - } + clk_disable_unprepare(pc->clk); } static struct pwm_ops pxa_pwm_ops = { @@ -152,8 +141,6 @@ static int pwm_probe(struct platform_device *pdev) if (IS_ERR(pwm->clk)) return PTR_ERR(pwm->clk); - pwm->clk_enabled = 0; - pwm->chip.dev = &pdev->dev; pwm->chip.ops = &pxa_pwm_ops; pwm->chip.base = -1; diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c index 5207e6c..a0ece50 100644 --- a/drivers/pwm/pwm-samsung.c +++ b/drivers/pwm/pwm-samsung.c @@ -289,10 +289,10 @@ static int s3c_pwm_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int s3c_pwm_suspend(struct device *dev) { - struct s3c_chip *s3c = platform_get_drvdata(pdev); + struct s3c_chip *s3c = dev_get_drvdata(dev); /* No one preserve these values during suspend so reset them * Otherwise driver leaves PWM unconfigured if same values @@ -304,9 +304,9 @@ static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int s3c_pwm_resume(struct platform_device *pdev) +static int s3c_pwm_resume(struct device *dev) { - struct s3c_chip *s3c = platform_get_drvdata(pdev); + struct s3c_chip *s3c = dev_get_drvdata(dev); unsigned long tcon; /* Restore invertion */ @@ -316,21 +316,19 @@ static int s3c_pwm_resume(struct platform_device *pdev) return 0; } - -#else -#define s3c_pwm_suspend NULL -#define s3c_pwm_resume NULL #endif +static SIMPLE_DEV_PM_OPS(s3c_pwm_pm_ops, s3c_pwm_suspend, + s3c_pwm_resume); + static struct platform_driver s3c_pwm_driver = { .driver = { .name = "s3c24xx-pwm", .owner = THIS_MODULE, + .pm = &s3c_pwm_pm_ops, }, .probe = s3c_pwm_probe, .remove = s3c_pwm_remove, - .suspend = s3c_pwm_suspend, - .resume = s3c_pwm_resume, }; static int __init pwm_init(void) diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c index 69a2d9e..6d99e2c 100644 --- a/drivers/pwm/pwm-spear.c +++ b/drivers/pwm/pwm-spear.c @@ -49,13 +49,11 @@ * @mmio_base: base address of pwm chip * @clk: pointer to clk structure of pwm chip * @chip: linux pwm chip representation - * @dev: pointer to device structure of pwm chip */ struct spear_pwm_chip { void __iomem *mmio_base; struct clk *clk; struct pwm_chip chip; - struct device *dev; }; static inline struct spear_pwm_chip *to_spear_pwm_chip(struct pwm_chip *chip) @@ -143,7 +141,7 @@ static int spear_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) u32 val; rc = clk_enable(pc->clk); - if (!rc) + if (rc) return rc; val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR); @@ -200,7 +198,6 @@ static int spear_pwm_probe(struct platform_device *pdev) if (IS_ERR(pc->clk)) return PTR_ERR(pc->clk); - pc->dev = &pdev->dev; platform_set_drvdata(pdev, pc); pc->chip.dev = &pdev->dev; @@ -209,12 +206,12 @@ static int spear_pwm_probe(struct platform_device *pdev) pc->chip.npwm = NUM_PWM; ret = clk_prepare(pc->clk); - if (!ret) + if (ret) return ret; if (of_device_is_compatible(np, "st,spear1340-pwm")) { ret = clk_enable(pc->clk); - if (!ret) { + if (ret) { clk_unprepare(pc->clk); return ret; } @@ -251,7 +248,7 @@ static int spear_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -static struct of_device_id spear_pwm_of_match[] = { +static const struct of_device_id spear_pwm_of_match[] = { { .compatible = "st,spear320-pwm" }, { .compatible = "st,spear1340-pwm" }, { } diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index af3ab48..3d75f4a 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -233,7 +233,7 @@ static int tegra_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -static struct of_device_id tegra_pwm_of_match[] = { +static const struct of_device_id tegra_pwm_of_match[] = { { .compatible = "nvidia,tegra20-pwm" }, { .compatible = "nvidia,tegra30-pwm" }, { } diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c index 22e96e2..0d65fb2 100644 --- a/drivers/pwm/pwm-tiecap.c +++ b/drivers/pwm/pwm-tiecap.c @@ -295,7 +295,7 @@ static int ecap_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -void ecap_pwm_save_context(struct ecap_pwm_chip *pc) +static void ecap_pwm_save_context(struct ecap_pwm_chip *pc) { pm_runtime_get_sync(pc->chip.dev); pc->ctx.ecctl2 = readw(pc->mmio_base + ECCTL2); @@ -304,13 +304,14 @@ void ecap_pwm_save_context(struct ecap_pwm_chip *pc) pm_runtime_put_sync(pc->chip.dev); } -void ecap_pwm_restore_context(struct ecap_pwm_chip *pc) +static void ecap_pwm_restore_context(struct ecap_pwm_chip *pc) { writel(pc->ctx.cap3, pc->mmio_base + CAP3); writel(pc->ctx.cap4, pc->mmio_base + CAP4); writew(pc->ctx.ecctl2, pc->mmio_base + ECCTL2); } +#ifdef CONFIG_PM_SLEEP static int ecap_pwm_suspend(struct device *dev) { struct ecap_pwm_chip *pc = dev_get_drvdata(dev); @@ -337,6 +338,7 @@ static int ecap_pwm_resume(struct device *dev) ecap_pwm_restore_context(pc); return 0; } +#endif static SIMPLE_DEV_PM_OPS(ecap_pwm_pm_ops, ecap_pwm_suspend, ecap_pwm_resume); diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 8b4c86f..6a21759 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -533,7 +533,7 @@ static int ehrpwm_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&pc->chip); } -void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) +static void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) { pm_runtime_get_sync(pc->chip.dev); pc->ctx.tbctl = ehrpwm_read(pc->mmio_base, TBCTL); @@ -547,7 +547,7 @@ void ehrpwm_pwm_save_context(struct ehrpwm_pwm_chip *pc) pm_runtime_put_sync(pc->chip.dev); } -void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) +static void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) { ehrpwm_write(pc->mmio_base, TBPRD, pc->ctx.tbprd); ehrpwm_write(pc->mmio_base, CMPA, pc->ctx.cmpa); @@ -559,6 +559,7 @@ void ehrpwm_pwm_restore_context(struct ehrpwm_pwm_chip *pc) ehrpwm_write(pc->mmio_base, TBCTL, pc->ctx.tbctl); } +#ifdef CONFIG_PM_SLEEP static int ehrpwm_pwm_suspend(struct device *dev) { struct ehrpwm_pwm_chip *pc = dev_get_drvdata(dev); @@ -594,6 +595,7 @@ static int ehrpwm_pwm_resume(struct device *dev) ehrpwm_pwm_restore_context(pc); return 0; } +#endif static SIMPLE_DEV_PM_OPS(ehrpwm_pwm_pm_ops, ehrpwm_pwm_suspend, ehrpwm_pwm_resume); diff --git a/drivers/pwm/pwm-tipwmss.c b/drivers/pwm/pwm-tipwmss.c index 17cbc59..c9c3d3a 100644 --- a/drivers/pwm/pwm-tipwmss.c +++ b/drivers/pwm/pwm-tipwmss.c @@ -101,6 +101,7 @@ static int pwmss_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP static int pwmss_suspend(struct device *dev) { struct pwmss_info *info = dev_get_drvdata(dev); @@ -118,6 +119,7 @@ static int pwmss_resume(struct device *dev) writew(info->pwmss_clkconfig, info->mmio_base + PWMSS_CLKCONFIG); return 0; } +#endif static SIMPLE_DEV_PM_OPS(pwmss_pm_ops, pwmss_suspend, pwmss_resume); diff --git a/drivers/pwm/pwm-tipwmss.h b/drivers/pwm/pwm-tipwmss.h index 11f76a1..10ad804 100644 --- a/drivers/pwm/pwm-tipwmss.h +++ b/drivers/pwm/pwm-tipwmss.h @@ -18,7 +18,6 @@ #ifndef __TIPWMSS_H #define __TIPWMSS_H -#ifdef CONFIG_PWM_TIPWMSS /* PWM substem clock gating */ #define PWMSS_ECAPCLK_EN BIT(0) #define PWMSS_ECAPCLK_STOP_REQ BIT(1) @@ -28,6 +27,7 @@ #define PWMSS_ECAPCLK_EN_ACK BIT(0) #define PWMSS_EPWMCLK_EN_ACK BIT(8) +#ifdef CONFIG_PWM_TIPWMSS extern u16 pwmss_submodule_state_change(struct device *dev, int set); #else static inline u16 pwmss_submodule_state_change(struct device *dev, int set) diff --git a/drivers/pwm/pwm-twl-led.c b/drivers/pwm/pwm-twl-led.c index 83e25d4..29d1bba 100644 --- a/drivers/pwm/pwm-twl-led.c +++ b/drivers/pwm/pwm-twl-led.c @@ -271,6 +271,7 @@ static const struct pwm_ops twl4030_pwmled_ops = { .enable = twl4030_pwmled_enable, .disable = twl4030_pwmled_disable, .config = twl4030_pwmled_config, + .owner = THIS_MODULE, }; static const struct pwm_ops twl6030_pwmled_ops = { @@ -279,6 +280,7 @@ static const struct pwm_ops twl6030_pwmled_ops = { .config = twl6030_pwmled_config, .request = twl6030_pwmled_request, .free = twl6030_pwmled_free, + .owner = THIS_MODULE, }; static int twl_pwmled_probe(struct platform_device *pdev) @@ -321,7 +323,7 @@ static int twl_pwmled_remove(struct platform_device *pdev) } #ifdef CONFIG_OF -static struct of_device_id twl_pwmled_of_match[] = { +static const struct of_device_id twl_pwmled_of_match[] = { { .compatible = "ti,twl4030-pwmled" }, { .compatible = "ti,twl6030-pwmled" }, { }, diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c index bf3fda2..eef9105 100644 --- a/drivers/pwm/pwm-twl.c +++ b/drivers/pwm/pwm-twl.c @@ -248,7 +248,7 @@ static int twl6030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) twl->twl6030_toggle3 = val; out: mutex_unlock(&twl->mutex); - return 0; + return ret; } static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) @@ -287,12 +287,14 @@ static const struct pwm_ops twl4030_pwm_ops = { .disable = twl4030_pwm_disable, .request = twl4030_pwm_request, .free = twl4030_pwm_free, + .owner = THIS_MODULE, }; static const struct pwm_ops twl6030_pwm_ops = { .config = twl_pwm_config, .enable = twl6030_pwm_enable, .disable = twl6030_pwm_disable, + .owner = THIS_MODULE, }; static int twl_pwm_probe(struct platform_device *pdev) @@ -333,7 +335,7 @@ static int twl_pwm_remove(struct platform_device *pdev) } #ifdef CONFIG_OF -static struct of_device_id twl_pwm_of_match[] = { +static const struct of_device_id twl_pwm_of_match[] = { { .compatible = "ti,twl4030-pwm" }, { .compatible = "ti,twl6030-pwm" }, { }, diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index fa00304..1fea627 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -274,7 +274,7 @@ static int pwm_backlight_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int pwm_backlight_suspend(struct device *dev) { struct backlight_device *bl = dev_get_drvdata(dev); @@ -296,19 +296,16 @@ static int pwm_backlight_resume(struct device *dev) backlight_update_status(bl); return 0; } +#endif static SIMPLE_DEV_PM_OPS(pwm_backlight_pm_ops, pwm_backlight_suspend, pwm_backlight_resume); -#endif - static struct platform_driver pwm_backlight_driver = { .driver = { .name = "pwm-backlight", .owner = THIS_MODULE, -#ifdef CONFIG_PM .pm = &pwm_backlight_pm_ops, -#endif .of_match_table = of_match_ptr(pwm_backlight_of_match), }, .probe = pwm_backlight_probe,