2022-04-22 05:38:03

by Nava kishore Manne

[permalink] [raw]
Subject: RE: [PATCH v5 2/5] fpga: fix for coding style issues

Hi Yilun,

Please find my response inline.

> -----Original Message-----
> From: Xu Yilun <[email protected]>
> Sent: Thursday, April 21, 2022 9:04 PM
> To: Nava kishore Manne <[email protected]>
> Cc: [email protected]; [email protected]; [email protected]; Michal Simek
> <[email protected]>; [email protected]; linux-
> [email protected]; [email protected]; git
> <[email protected]>
> Subject: Re: [PATCH v5 2/5] fpga: fix for coding style issues
>
> On Thu, Apr 21, 2022 at 10:17:41AM +0530, Nava kishore Manne wrote:
> > fixes the below checks reported by checkpatch.pl:
> > - Lines should not end with a '('
> > - Alignment should match open parenthesis
> >
> > Signed-off-by: Nava kishore Manne <[email protected]>
> > Acked-by: Xu Yilun <[email protected]>
>
> Sorry, the checkpatch maintainer Joe gives comments after my Acked-by, so
> maybe more changes should be made, see my comments inline.
>
> And if you have more changes than expectation, it is better to remove the
> Acked-by/Reviewed-by tags, otherwise people thought the reviewers are
> good to new changes which are actually not checked at all.
>
Agree, Will remove in the next version.
> > ---
> > Changes for v2:
> > -None.
> > Changes for v3:
> > -Fixed similar issue exists in "drivers/fpga/*".
> > Changes for v4:
> > -None.
> > Changes for v5:
> > - Reduced the length of the 'fpga_mgr_write_init(...)' API
> > as suggested by Joe.
> > - To align Include declaration and definition of APIs updated
> > the FPGA-region.h file as suggested by joe.
>
> The of_fpga_region_parse_ov() changes are also new to us.
>
Will fix in the next version.
> >
> > drivers/fpga/fpga-mgr.c | 4 ++--
> > drivers/fpga/fpga-region.c | 7 ++++---
> > drivers/fpga/of-fpga-region.c | 6 +++---
> > include/linux/fpga/fpga-region.h | 7 ++++---
> > 4 files changed, 13 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index
> > d49a9ce34568..d9a2aad7b35f 100644
> > --- a/drivers/fpga/fpga-mgr.c
> > +++ b/drivers/fpga/fpga-mgr.c
> > @@ -148,11 +148,11 @@ static int fpga_mgr_write_init_buf(struct
> fpga_manager *mgr,
> > int ret;
> >
> > mgr->state = FPGA_MGR_STATE_WRITE_INIT;
> > + count = min(mgr->mops->initial_header_size, count);
>
> Move the line in 'else' block, cause the count is not used if(!mgr->mops-
> >initial_header_size).
>
Will fix in the next version.
> > if (!mgr->mops->initial_header_size)
> > ret = fpga_mgr_write_init(mgr, info, NULL, 0);
> > else
> > - ret = fpga_mgr_write_init(
> > - mgr, info, buf, min(mgr->mops->initial_header_size,
> count));
> > + ret = fpga_mgr_write_init(mgr, info, buf, count);
> >
> > if (ret) {
> > dev_err(&mgr->dev, "Error preparing FPGA for writing\n");
> diff
> > --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index
> > b0ac18de4885..3864bf4f8920 100644
> > --- a/drivers/fpga/fpga-region.c
> > +++ b/drivers/fpga/fpga-region.c
> > @@ -18,9 +18,10 @@
> > static DEFINE_IDA(fpga_region_ida);
> > static struct class *fpga_region_class;
> >
> > -struct fpga_region *fpga_region_class_find(
> > - struct device *start, const void *data,
> > - int (*match)(struct device *, const void *))
> > +struct fpga_region *fpga_region_class_find(struct device *start,
> > + const void *data,
> > + int (*match)(struct device *,
> > + const void *))
>
> According to Joe's suggestion, it had better be:
>
> struct fpga_region *
> fpga_region_class_find(struct device *start, const void *data,
> int (*match)(struct device *, const void *))
>
>
Will fix in the next version.

> > {
> > struct device *dev;
> >
> > diff --git a/drivers/fpga/of-fpga-region.c
> > b/drivers/fpga/of-fpga-region.c index 50b83057c048..55209737075f
> > 100644
> > --- a/drivers/fpga/of-fpga-region.c
> > +++ b/drivers/fpga/of-fpga-region.c
> > @@ -189,9 +189,9 @@ static int child_regions_with_firmware(struct
> device_node *overlay)
> > * fpga_image_info struct if there is an image to program.
> > * error code for invalid overlay.
> > */
> > -static struct fpga_image_info *of_fpga_region_parse_ov(
> > - struct fpga_region *region,
> > - struct device_node *overlay)
> > +static struct fpga_image_info
> > +*of_fpga_region_parse_ov(struct fpga_region *region,
> > + struct device_node *overlay)
>
> Don't put the '*' at the beginning, it should be:
>
Will fix in the next version.

> static struct fpga_image_info *
> of_fpga_region_parse_ov(struct fpga_region *region,
> struct device_node *overlay)
>
> > {
> > struct device *dev = &region->dev;
> > struct fpga_image_info *info;
> > diff --git a/include/linux/fpga/fpga-region.h
> > b/include/linux/fpga/fpga-region.h
> > index 3b87f232425c..7ebf743b8f8a 100644
> > --- a/include/linux/fpga/fpga-region.h
> > +++ b/include/linux/fpga/fpga-region.h
> > @@ -52,9 +52,10 @@ struct fpga_region {
> >
> > #define to_fpga_region(d) container_of(d, struct fpga_region, dev)
> >
> > -struct fpga_region *fpga_region_class_find(
> > - struct device *start, const void *data,
> > - int (*match)(struct device *, const void *));
> > +struct fpga_region *fpga_region_class_find(struct device *start,
> > + const void *data,
> > + int (*match)(struct device *,
> > + const void *));
>
> Please also follow Joe's suggestion:
>
> struct fpga_region *
> fpga_region_class_find(struct device *start, const void *data,
> int (*match)(struct device *, const void *));
>
>
Will fix in the next version.

Regards,
Navakishore.