linux-kernel - Re: [RFC PATCH v2 6/9] fpga: dfl: migrate Accelerated Function Unit driver to dfl_feature_dev

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Date: Tue, 23 Apr 2024 22:31:04 +0800
From: Xu Yilun <yilun.xu@...ux.intel.com>
To: Peter Colberg <peter.colberg@...el.com>
Cc: Wu Hao <hao.wu@...el.com>, Tom Rix <trix@...hat.com>,
	Moritz Fischer <mdf@...nel.org>, Xu Yilun <yilun.xu@...el.com>,
	linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
	Russ Weight <russ.weight@...ux.dev>,
	Marco Pagani <marpagan@...hat.com>,
	Matthew Gerlach <matthew.gerlach@...ux.intel.com>
Subject: Re: [RFC PATCH v2 6/9] fpga: dfl: migrate Accelerated Function Unit
 driver to dfl_feature_dev_data

On Tue, Apr 09, 2024 at 07:39:39PM -0400, Peter Colberg wrote:
> This change separates out most of the symbol name changes required by this
> patch series for the file: drivers/fpga/dfl-afu-main.c. This is done to
> split a single monolithic change into multiple, smaller patches at the
> request of the maintainer.
> 
> Signed-off-by: Peter Colberg <peter.colberg@...el.com>
> ---
> v2:
> - Split monolithic patch into series at request of maintainer
> - Change afu_ioctl_*() to receive dfl_feature_dev_data instead of
>   dfl_feature_platform_data.
> - Replace local variable pdata with fdata in afu_mmap().
> - Remove unused local variable pdata in afu_dev_{init,destroy}().
> ---
>  drivers/fpga/dfl-afu-main.c | 110 ++++++++++++++++++------------------
>  1 file changed, 56 insertions(+), 54 deletions(-)
> 
> diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c
> index 6b97c073849e..61868cdd5b0b 100644
> --- a/drivers/fpga/dfl-afu-main.c
> +++ b/drivers/fpga/dfl-afu-main.c
> @@ -504,9 +504,11 @@ static const struct attribute_group port_afu_group = {
>  static int port_afu_init(struct platform_device *pdev,
>  			 struct dfl_feature *feature)
>  {
> +	struct dfl_feature_dev_data *fdata =
> +					to_dfl_feature_dev_data(&pdev->dev);
>  	struct resource *res = &pdev->resource[feature->resource_index];
>  
> -	return afu_mmio_region_add(dev_get_platdata(&pdev->dev),
> +	return afu_mmio_region_add(fdata,

Again, please keep the change simple for massive replacement. If you
want other adjustments, do it in another patch.

Thanks,
Yilun