diff options
Diffstat (limited to 'drivers/pwm/pwm-xilinx.c')
| -rw-r--r-- | drivers/pwm/pwm-xilinx.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/pwm/pwm-xilinx.c b/drivers/pwm/pwm-xilinx.c index 3a7deebb0d0c..52c241982807 100644 --- a/drivers/pwm/pwm-xilinx.c +++ b/drivers/pwm/pwm-xilinx.c @@ -224,7 +224,6 @@ static int xilinx_pwm_probe(struct platform_device *pdev) if (IS_ERR(chip)) return PTR_ERR(chip); priv = xilinx_pwm_chip_to_priv(chip); - platform_set_drvdata(pdev, chip); regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(regs)) @@ -263,37 +262,24 @@ static int xilinx_pwm_probe(struct platform_device *pdev) * alas, such properties are not allowed to be used. */ - priv->clk = devm_clk_get(dev, "s_axi_aclk"); + priv->clk = devm_clk_get_enabled(dev, "s_axi_aclk"); if (IS_ERR(priv->clk)) return dev_err_probe(dev, PTR_ERR(priv->clk), "Could not get clock\n"); - ret = clk_prepare_enable(priv->clk); + ret = devm_clk_rate_exclusive_get(dev, priv->clk); if (ret) - return dev_err_probe(dev, ret, "Clock enable failed\n"); - clk_rate_exclusive_get(priv->clk); + return dev_err_probe(dev, ret, + "Failed to lock clock rate\n"); chip->ops = &xilinx_pwm_ops; - ret = pwmchip_add(chip); - if (ret) { - clk_rate_exclusive_put(priv->clk); - clk_disable_unprepare(priv->clk); + ret = devm_pwmchip_add(dev, chip); + if (ret) return dev_err_probe(dev, ret, "Could not register PWM chip\n"); - } return 0; } -static void xilinx_pwm_remove(struct platform_device *pdev) -{ - struct pwm_chip *chip = platform_get_drvdata(pdev); - struct xilinx_timer_priv *priv = xilinx_pwm_chip_to_priv(chip); - - pwmchip_remove(chip); - clk_rate_exclusive_put(priv->clk); - clk_disable_unprepare(priv->clk); -} - static const struct of_device_id xilinx_pwm_of_match[] = { { .compatible = "xlnx,xps-timer-1.00.a", }, {}, @@ -302,7 +288,6 @@ MODULE_DEVICE_TABLE(of, xilinx_pwm_of_match); static struct platform_driver xilinx_pwm_driver = { .probe = xilinx_pwm_probe, - .remove_new = xilinx_pwm_remove, .driver = { .name = "xilinx-pwm", .of_match_table = of_match_ptr(xilinx_pwm_of_match), |