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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
commit | 94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch) | |
tree | 9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/pwm/pwm-imx-tpm.c | |
parent | Adding debian version 6.8.12-1. (diff) | |
download | linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip |
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pwm/pwm-imx-tpm.c')
-rw-r--r-- | drivers/pwm/pwm-imx-tpm.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index 9fc290e647..c50ddbac43 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -57,7 +57,6 @@ #define PWM_IMX_TPM_MOD_MOD GENMASK(PWM_IMX_TPM_MOD_WIDTH - 1, 0) struct imx_tpm_pwm_chip { - struct pwm_chip chip; struct clk *clk; void __iomem *base; struct mutex lock; @@ -75,7 +74,7 @@ struct imx_tpm_pwm_param { static inline struct imx_tpm_pwm_chip * to_imx_tpm_pwm_chip(struct pwm_chip *chip) { - return container_of(chip, struct imx_tpm_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } /* @@ -336,35 +335,42 @@ static const struct pwm_ops imx_tpm_pwm_ops = { static int pwm_imx_tpm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct imx_tpm_pwm_chip *tpm; + struct clk *clk; + void __iomem *base; int ret; + unsigned int npwm; u32 val; - tpm = devm_kzalloc(&pdev->dev, sizeof(*tpm), GFP_KERNEL); - if (!tpm) - return -ENOMEM; + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); - platform_set_drvdata(pdev, tpm); + clk = devm_clk_get_enabled(&pdev->dev, NULL); + if (IS_ERR(clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(clk), + "failed to get PWM clock\n"); - tpm->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(tpm->base)) - return PTR_ERR(tpm->base); + /* get number of channels */ + val = readl(base + PWM_IMX_TPM_PARAM); + npwm = FIELD_GET(PWM_IMX_TPM_PARAM_CHAN, val); - tpm->clk = devm_clk_get_enabled(&pdev->dev, NULL); - if (IS_ERR(tpm->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(tpm->clk), - "failed to get PWM clock\n"); + chip = devm_pwmchip_alloc(&pdev->dev, npwm, sizeof(*tpm)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + tpm = to_imx_tpm_pwm_chip(chip); + + platform_set_drvdata(pdev, tpm); - tpm->chip.dev = &pdev->dev; - tpm->chip.ops = &imx_tpm_pwm_ops; + tpm->base = base; + tpm->clk = clk; - /* get number of channels */ - val = readl(tpm->base + PWM_IMX_TPM_PARAM); - tpm->chip.npwm = FIELD_GET(PWM_IMX_TPM_PARAM_CHAN, val); + chip->ops = &imx_tpm_pwm_ops; mutex_init(&tpm->lock); - ret = devm_pwmchip_add(&pdev->dev, &tpm->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret) return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n"); |