Re: [PATCH] fpga: dfl: afu: remove unused member pdata from struct dfl_afu

From: Colberg, Peter
Date: Mon Apr 01 2024 - 14:27:30 EST


On Mon, 2024-04-01 at 22:57 +0800, Xu Yilun wrote:
> On Thu, Mar 28, 2024 at 07:54:17PM -0400, Peter Colberg wrote:
> > The member pdata was added to struct dfl_afu in commit 857a26222ff7
> > ("fpga: dfl: afu: add afu sub feature support") and is set in function
> > afu_dev_init() but otherwise never used.
>
> Could you also help check if dfl_fme has the same issue?

Indeed, thank you for pointing this out.

Peter

>
> Thanks,
> Yilun
>
> >
> > Signed-off-by: Peter Colberg <peter.colberg@xxxxxxxxx>
> > Reviewed-by: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx>
> > ---
> > drivers/fpga/dfl-afu-main.c | 2 --
> > drivers/fpga/dfl-afu.h | 3 ---
> > 2 files changed, 5 deletions(-)
> >
> > diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c
> > index c0a75ca360d6..6b97c073849e 100644
> > --- a/drivers/fpga/dfl-afu-main.c
> > +++ b/drivers/fpga/dfl-afu-main.c
> > @@ -858,8 +858,6 @@ static int afu_dev_init(struct platform_device *pdev)
> > if (!afu)
> > return -ENOMEM;
> >
> > - afu->pdata = pdata;
> > -
> > mutex_lock(&pdata->lock);
> > dfl_fpga_pdata_set_private(pdata, afu);
> > afu_mmio_region_init(pdata);
> > diff --git a/drivers/fpga/dfl-afu.h b/drivers/fpga/dfl-afu.h
> > index 674e9772f0ea..7bef3e300aa2 100644
> > --- a/drivers/fpga/dfl-afu.h
> > +++ b/drivers/fpga/dfl-afu.h
> > @@ -67,7 +67,6 @@ struct dfl_afu_dma_region {
> > * @regions: the mmio region linked list of this afu feature device.
> > * @dma_regions: root of dma regions rb tree.
> > * @num_umsgs: num of umsgs.
> > - * @pdata: afu platform device's pdata.
> > */
> > struct dfl_afu {
> > u64 region_cur_offset;
> > @@ -75,8 +74,6 @@ struct dfl_afu {
> > u8 num_umsgs;
> > struct list_head regions;
> > struct rb_root dma_regions;
> > -
> > - struct dfl_feature_platform_data *pdata;
> > };
> >
> > /* hold pdata->lock when call __afu_port_enable/disable */
> > --
> > 2.44.0
> >
> >