Re: [PATCH] fpga: Use device_get_match_data()

From: Xu Yilun
Date: Sat Oct 07 2023 - 03:58:28 EST


On Fri, Oct 06, 2023 at 05:46:33PM -0500, Rob Herring 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@xxxxxxxxxx>

Acked-by: Xu Yilun <yilun.xu@xxxxxxxxx>

Applied.

> ---
> drivers/fpga/altera-hps2fpga.c | 12 +++---------
> drivers/fpga/xilinx-pr-decoupler.c | 15 ++++-----------
> 2 files changed, 7 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/fpga/altera-hps2fpga.c b/drivers/fpga/altera-hps2fpga.c
> index aa758426c22b..578663503297 100644
> --- a/drivers/fpga/altera-hps2fpga.c
> +++ b/drivers/fpga/altera-hps2fpga.c
> @@ -24,7 +24,8 @@
> #include <linux/kernel.h>
> #include <linux/mfd/syscon.h>
> #include <linux/module.h>
> -#include <linux/of_platform.h>
> +#include <linux/of.h>
> +#include <linux/property.h>
> #include <linux/regmap.h>
> #include <linux/reset.h>
> #include <linux/spinlock.h>
> @@ -127,18 +128,11 @@ static int alt_fpga_bridge_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> struct altera_hps2fpga_data *priv;
> - const struct of_device_id *of_id;
> struct fpga_bridge *br;
> u32 enable;
> int ret;
>
> - of_id = of_match_device(altera_fpga_of_match, dev);
> - if (!of_id) {
> - dev_err(dev, "failed to match device\n");
> - return -ENODEV;
> - }
> -
> - priv = (struct altera_hps2fpga_data *)of_id->data;
> + priv = (struct altera_hps2fpga_data *)device_get_match_data(dev);
>
> priv->bridge_reset = of_reset_control_get_exclusive_by_index(dev->of_node,
> 0);
> diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
> index 208d9560f56d..0c012d0f616d 100644
> --- a/drivers/fpga/xilinx-pr-decoupler.c
> +++ b/drivers/fpga/xilinx-pr-decoupler.c
> @@ -10,8 +10,10 @@
> #include <linux/clk.h>
> #include <linux/io.h>
> #include <linux/kernel.h>
> -#include <linux/of_device.h>
> #include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/property.h>
> #include <linux/fpga/fpga-bridge.h>
>
> #define CTRL_CMD_DECOUPLE BIT(0)
> @@ -81,7 +83,6 @@ static const struct fpga_bridge_ops xlnx_pr_decoupler_br_ops = {
> .enable_show = xlnx_pr_decoupler_enable_show,
> };
>
> -#ifdef CONFIG_OF
> static const struct xlnx_config_data decoupler_config = {
> .name = "Xilinx PR Decoupler",
> };
> @@ -100,11 +101,9 @@ static const struct of_device_id xlnx_pr_decoupler_of_match[] = {
> {},
> };
> MODULE_DEVICE_TABLE(of, xlnx_pr_decoupler_of_match);
> -#endif
>
> static int xlnx_pr_decoupler_probe(struct platform_device *pdev)
> {
> - struct device_node *np = pdev->dev.of_node;
> struct xlnx_pr_decoupler_data *priv;
> struct fpga_bridge *br;
> int err;
> @@ -113,13 +112,7 @@ static int xlnx_pr_decoupler_probe(struct platform_device *pdev)
> if (!priv)
> return -ENOMEM;
>
> - if (np) {
> - const struct of_device_id *match;
> -
> - match = of_match_node(xlnx_pr_decoupler_of_match, np);
> - if (match && match->data)
> - priv->ipconfig = match->data;
> - }
> + priv->ipconfig = device_get_match_data(&pdev->dev);
>
> priv->io_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(priv->io_base))
> --
> 2.40.1
>