[PATCH] mfd: Use device_get_match_data()

Chen-Yu Tsai wens at csie.org
Tue Oct 10 01:27:29 PDT 2023


On Tue, Oct 10, 2023 at 5:14 AM Rob Herring <robh at kernel.org> wrote:
>
> Use preferred device_get_match_data() instead of of_match_device() to
> get the driver match data. With this, adjust the includes to explicitly
> include the correct headers.
>
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
>  drivers/mfd/axp20x.c           | 22 +++-------------------

I'd keep the error message, but otherwise for axp20x,

Reviewed-by: Chen-Yu Tsai <wens at csie.org>

>  drivers/mfd/hi6421-pmic-core.c |  9 +++------
>  drivers/mfd/mxs-lradc.c        |  9 ++-------
>  drivers/mfd/qcom-spmi-pmic.c   |  6 ++++--
>  drivers/mfd/qcom_rpm.c         |  8 ++++----
>  drivers/mfd/tps65910.c         | 11 ++---------
>  drivers/mfd/twl4030-power.c    |  9 +++------
>  drivers/mfd/twl6030-irq.c      | 10 +++++-----
>  8 files changed, 26 insertions(+), 58 deletions(-)
>
> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index d93189b0230d..deaa969bab4e 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -22,7 +22,8 @@
>  #include <linux/mfd/axp20x.h>
>  #include <linux/mfd/core.h>
>  #include <linux/module.h>
> -#include <linux/of_device.h>
> +#include <linux/of.h>
> +#include <linux/property.h>
>  #include <linux/reboot.h>
>  #include <linux/regmap.h>
>  #include <linux/regulator/consumer.h>
> @@ -1131,27 +1132,10 @@ static int axp20x_power_off(struct sys_off_data *data)
>  int axp20x_match_device(struct axp20x_dev *axp20x)
>  {
>         struct device *dev = axp20x->dev;
> -       const struct acpi_device_id *acpi_id;
> -       const struct of_device_id *of_id;
>         const struct mfd_cell *cells_no_irq = NULL;
>         int nr_cells_no_irq = 0;
>
> -       if (dev->of_node) {
> -               of_id = of_match_device(dev->driver->of_match_table, dev);
> -               if (!of_id) {
> -                       dev_err(dev, "Unable to match OF ID\n");
> -                       return -ENODEV;
> -               }
> -               axp20x->variant = (long)of_id->data;
> -       } else {
> -               acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
> -               if (!acpi_id || !acpi_id->driver_data) {
> -                       dev_err(dev, "Unable to match ACPI ID and data\n");
> -                       return -ENODEV;
> -               }
> -               axp20x->variant = (long)acpi_id->driver_data;
> -       }
> -
> +       axp20x->variant = (long)device_get_match_data(dev);
>         switch (axp20x->variant) {
>         case AXP152_ID:
>                 axp20x->nr_cells = ARRAY_SIZE(axp152_cells);
> diff --git a/drivers/mfd/hi6421-pmic-core.c b/drivers/mfd/hi6421-pmic-core.c
> index a6a890537a1e..5af24a438329 100644
> --- a/drivers/mfd/hi6421-pmic-core.c
> +++ b/drivers/mfd/hi6421-pmic-core.c
> @@ -15,8 +15,9 @@
>  #include <linux/mfd/core.h>
>  #include <linux/mfd/hi6421-pmic.h>
>  #include <linux/module.h>
> -#include <linux/of_device.h>
> +#include <linux/of.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/regmap.h>
>
>  static const struct mfd_cell hi6421_devs[] = {
> @@ -50,16 +51,12 @@ MODULE_DEVICE_TABLE(of, of_hi6421_pmic_match);
>  static int hi6421_pmic_probe(struct platform_device *pdev)
>  {
>         struct hi6421_pmic *pmic;
> -       const struct of_device_id *id;
>         const struct mfd_cell *subdevs;
>         enum hi6421_type type;
>         void __iomem *base;
>         int n_subdevs, ret;
>
> -       id = of_match_device(of_hi6421_pmic_match, &pdev->dev);
> -       if (!id)
> -               return -EINVAL;
> -       type = (uintptr_t)id->data;
> +       type = (uintptr_t)device_get_match_data(&pdev->dev);
>
>         pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
>         if (!pmic)
> diff --git a/drivers/mfd/mxs-lradc.c b/drivers/mfd/mxs-lradc.c
> index 21f3033d6eb5..ec1b356562b9 100644
> --- a/drivers/mfd/mxs-lradc.c
> +++ b/drivers/mfd/mxs-lradc.c
> @@ -16,8 +16,8 @@
>  #include <linux/mfd/mxs-lradc.h>
>  #include <linux/module.h>
>  #include <linux/of.h>
> -#include <linux/of_device.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/slab.h>
>
>  #define ADC_CELL               0
> @@ -125,7 +125,6 @@ MODULE_DEVICE_TABLE(of, mxs_lradc_dt_ids);
>
>  static int mxs_lradc_probe(struct platform_device *pdev)
>  {
> -       const struct of_device_id *of_id;
>         struct device *dev = &pdev->dev;
>         struct device_node *node = dev->of_node;
>         struct mxs_lradc *lradc;
> @@ -138,11 +137,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
>         if (!lradc)
>                 return -ENOMEM;
>
> -       of_id = of_match_device(mxs_lradc_dt_ids, &pdev->dev);
> -       if (!of_id)
> -               return -EINVAL;
> -
> -       lradc->soc = (uintptr_t)of_id->data;
> +       lradc->soc = (enum mxs_lradc_id)device_get_match_data(&pdev->dev);
>
>         lradc->clk = devm_clk_get(&pdev->dev, NULL);
>         if (IS_ERR(lradc->clk)) {
> diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
> index 7e2cd79d17eb..4899af64bf10 100644
> --- a/drivers/mfd/qcom-spmi-pmic.c
> +++ b/drivers/mfd/qcom-spmi-pmic.c
> @@ -8,10 +8,12 @@
>  #include <linux/gfp.h>
>  #include <linux/kernel.h>
>  #include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/of_platform.h>
>  #include <linux/spmi.h>
>  #include <linux/types.h>
>  #include <linux/regmap.h>
> -#include <linux/of_platform.h>
>  #include <soc/qcom/qcom-spmi-pmic.h>
>
>  #define PMIC_REV2              0x101
> @@ -236,7 +238,7 @@ static int pmic_spmi_probe(struct spmi_device *sdev)
>         if (!ctx)
>                 return -ENOMEM;
>
> -       ctx->num_usids = (uintptr_t)of_device_get_match_data(&sdev->dev);
> +       ctx->num_usids = (uintptr_t)device_get_match_data(&sdev->dev);
>
>         /* Only the first slave id for a PMIC contains this information */
>         if (sdev->usid % ctx->num_usids == 0) {
> diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c
> index 086611322874..27446f43e3f3 100644
> --- a/drivers/mfd/qcom_rpm.c
> +++ b/drivers/mfd/qcom_rpm.c
> @@ -7,6 +7,8 @@
>
>  #include <linux/module.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
> +#include <linux/of.h>
>  #include <linux/of_platform.h>
>  #include <linux/io.h>
>  #include <linux/interrupt.h>
> @@ -528,7 +530,6 @@ static irqreturn_t qcom_rpm_wakeup_interrupt(int irq, void *dev)
>
>  static int qcom_rpm_probe(struct platform_device *pdev)
>  {
> -       const struct of_device_id *match;
>         struct device_node *syscon_np;
>         struct qcom_rpm *rpm;
>         u32 fw_version[3];
> @@ -570,10 +571,9 @@ static int qcom_rpm_probe(struct platform_device *pdev)
>         if (irq_wakeup < 0)
>                 return irq_wakeup;
>
> -       match = of_match_device(qcom_rpm_of_match, &pdev->dev);
> -       if (!match)
> +       rpm->data = device_get_match_data(&pdev->dev);
> +       if (!rpm->data)
>                 return -ENODEV;
> -       rpm->data = match->data;
>
>         rpm->status_regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
>         if (IS_ERR(rpm->status_regs))
> diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
> index 41408df1712f..dce6ad668dbf 100644
> --- a/drivers/mfd/tps65910.c
> +++ b/drivers/mfd/tps65910.c
> @@ -19,7 +19,7 @@
>  #include <linux/regmap.h>
>  #include <linux/mfd/tps65910.h>
>  #include <linux/of.h>
> -#include <linux/of_device.h>
> +#include <linux/property.h>
>
>  static const struct resource rtc_resources[] = {
>         {
> @@ -374,16 +374,9 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
>         struct device_node *np = client->dev.of_node;
>         struct tps65910_board *board_info;
>         unsigned int prop;
> -       const struct of_device_id *match;
>         int ret;
>
> -       match = of_match_device(tps65910_of_match, &client->dev);
> -       if (!match) {
> -               dev_err(&client->dev, "Failed to find matching dt id\n");
> -               return NULL;
> -       }
> -
> -       *chip_id  = (unsigned long)match->data;
> +       *chip_id  = (unsigned long)device_get_match_data(&client->dev);
>
>         board_info = devm_kzalloc(&client->dev, sizeof(*board_info),
>                         GFP_KERNEL);
> diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
> index e35b0f788c50..1595e9c76132 100644
> --- a/drivers/mfd/twl4030-power.c
> +++ b/drivers/mfd/twl4030-power.c
> @@ -27,8 +27,8 @@
>  #include <linux/pm.h>
>  #include <linux/mfd/twl.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/of.h>
> -#include <linux/of_device.h>
>
>  #include <asm/mach-types.h>
>
> @@ -883,7 +883,6 @@ static int twl4030_power_probe(struct platform_device *pdev)
>  {
>         const struct twl4030_power_data *pdata = dev_get_platdata(&pdev->dev);
>         struct device_node *node = pdev->dev.of_node;
> -       const struct of_device_id *match;
>         int err = 0;
>         int err2 = 0;
>         u8 val;
> @@ -904,10 +903,8 @@ static int twl4030_power_probe(struct platform_device *pdev)
>                 return err;
>         }
>
> -       match = of_match_device(of_match_ptr(twl4030_power_of_match),
> -                               &pdev->dev);
> -       if (match && match->data)
> -               pdata = match->data;
> +       if (node)
> +               pdata = device_get_match_data(&pdev->dev);
>
>         if (pdata) {
>                 err = twl4030_power_configure_scripts(pdata);
> diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
> index 3c03681c124c..f9fce8408c2c 100644
> --- a/drivers/mfd/twl6030-irq.c
> +++ b/drivers/mfd/twl6030-irq.c
> @@ -24,10 +24,10 @@
>  #include <linux/kthread.h>
>  #include <linux/mfd/twl.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/suspend.h>
>  #include <linux/of.h>
>  #include <linux/irqdomain.h>
> -#include <linux/of_device.h>
>
>  #include "twl-core.h"
>
> @@ -368,10 +368,10 @@ int twl6030_init_irq(struct device *dev, int irq_num)
>         int                     nr_irqs;
>         int                     status;
>         u8                      mask[3];
> -       const struct of_device_id *of_id;
> +       const int               *irq_tbl;
>
> -       of_id = of_match_device(twl6030_of_match, dev);
> -       if (!of_id || !of_id->data) {
> +       irq_tbl = device_get_match_data(dev);
> +       if (!irq_tbl) {
>                 dev_err(dev, "Unknown TWL device model\n");
>                 return -EINVAL;
>         }
> @@ -409,7 +409,7 @@ int twl6030_init_irq(struct device *dev, int irq_num)
>
>         twl6030_irq->pm_nb.notifier_call = twl6030_irq_pm_notifier;
>         atomic_set(&twl6030_irq->wakeirqs, 0);
> -       twl6030_irq->irq_mapping_tbl = of_id->data;
> +       twl6030_irq->irq_mapping_tbl = irq_tbl;
>
>         twl6030_irq->irq_domain =
>                 irq_domain_add_linear(node, nr_irqs,
> --
> 2.42.0
>



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