diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-09-27 19:24:17 +0300 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-09-28 16:10:35 +0200 |
| commit | 68af6fb00f2f1e72521169d5a4283faa8533694d (patch) | |
| tree | 599631015b94849bcb0304e58fb3b8d2c6edaebe | |
| parent | a3682d2fe3c36c68899bf1b956ed68d36d005868 (diff) | |
| download | linux-68af6fb00f2f1e72521169d5a4283faa8533694d.tar.gz linux-68af6fb00f2f1e72521169d5a4283faa8533694d.tar.bz2 linux-68af6fb00f2f1e72521169d5a4283faa8533694d.zip | |
pwm: lpss: Move resource mapping to the glue drivers
Move resource mapping to the glue drivers which helps
to transform pwm_lpss_probe() to pure library function
that may be used by others without need of specific
resource management.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
| -rw-r--r-- | drivers/pwm/pwm-lpss-pci.c | 6 | ||||
| -rw-r--r-- | drivers/pwm/pwm-lpss-platform.c | 9 | ||||
| -rw-r--r-- | drivers/pwm/pwm-lpss.c | 7 | ||||
| -rw-r--r-- | drivers/pwm/pwm-lpss.h | 2 |
4 files changed, 14 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c index 9f2c666b95ec..f3367e844e61 100644 --- a/drivers/pwm/pwm-lpss-pci.c +++ b/drivers/pwm/pwm-lpss-pci.c @@ -25,8 +25,12 @@ static int pwm_lpss_probe_pci(struct pci_dev *pdev, if (err < 0) return err; + err = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); + if (err) + return err; + info = (struct pwm_lpss_boardinfo *)id->driver_data; - lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); + lpwm = pwm_lpss_probe(&pdev->dev, pcim_iomap_table(pdev)[0], info); if (IS_ERR(lpwm)) return PTR_ERR(lpwm); diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c index 65154c0abab1..7bbbb7a9b578 100644 --- a/drivers/pwm/pwm-lpss-platform.c +++ b/drivers/pwm/pwm-lpss-platform.c @@ -21,16 +21,19 @@ static int pwm_lpss_probe_platform(struct platform_device *pdev) const struct pwm_lpss_boardinfo *info; const struct acpi_device_id *id; struct pwm_lpss_chip *lpwm; - struct resource *r; + void __iomem *base; id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev); if (!id) return -ENODEV; info = (const struct pwm_lpss_boardinfo *)id->driver_data; - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - lpwm = pwm_lpss_probe(&pdev->dev, r, info); + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + lpwm = pwm_lpss_probe(&pdev->dev, base, info); if (IS_ERR(lpwm)) return PTR_ERR(lpwm); diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 74a296cb1af0..a20915459809 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -243,7 +243,7 @@ static const struct pwm_ops pwm_lpss_ops = { .owner = THIS_MODULE, }; -struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, +struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base, const struct pwm_lpss_boardinfo *info) { struct pwm_lpss_chip *lpwm; @@ -258,10 +258,7 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, if (!lpwm) return ERR_PTR(-ENOMEM); - lpwm->regs = devm_ioremap_resource(dev, r); - if (IS_ERR(lpwm->regs)) - return ERR_CAST(lpwm->regs); - + lpwm->regs = base; lpwm->info = info; c = lpwm->info->clk_rate; diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h index 9ea5b145a353..c344921b2cab 100644 --- a/drivers/pwm/pwm-lpss.h +++ b/drivers/pwm/pwm-lpss.h @@ -38,7 +38,7 @@ extern const struct pwm_lpss_boardinfo pwm_lpss_bsw_info; extern const struct pwm_lpss_boardinfo pwm_lpss_bxt_info; extern const struct pwm_lpss_boardinfo pwm_lpss_tng_info; -struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, +struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base, const struct pwm_lpss_boardinfo *info); #endif /* __PWM_LPSS_H */ |