RE: [PATCH v2 1/5] fpga: zynq: Fix incorrect variable type
From: Nava kishore Manne
Date: Fri Apr 01 2022 - 12:19:55 EST
Hi Tom,
Thanks for providing the review comments.
Please find my response inline.
> -----Original Message-----
> From: Tom Rix <trix@xxxxxxxxxx>
> Sent: Saturday, March 26, 2022 10:24 PM
> To: Nava kishore Manne <navam@xxxxxxxxxx>; mdf@xxxxxxxxxx;
> hao.wu@xxxxxxxxx; yilun.xu@xxxxxxxxx; Michal Simek
> <michals@xxxxxxxxxx>; linux-fpga@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; git
> <git@xxxxxxxxxx>
> Subject: Re: [PATCH v2 1/5] fpga: zynq: Fix incorrect variable type
>
>
> On 3/22/22 1:21 AM, Nava kishore Manne wrote:
> > zynq_fpga_has_sync () API is expecting "u8 *" but the formal parameter
> > that was passed is of type "const char *".
> > To fix this issue cast the const char pointer to u8 pointer.
> >
> > Signed-off-by: Nava kishore Manne <nava.manne@xxxxxxxxxx>
> > ---
> > Changes for v2:
> > -None.
> >
> > drivers/fpga/zynq-fpga.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c index
> > 426aa34c6a0d..12f644e79e91 100644
> > --- a/drivers/fpga/zynq-fpga.c
> > +++ b/drivers/fpga/zynq-fpga.c
> > @@ -275,7 +275,7 @@ static int zynq_fpga_ops_write_init(struct
> > fpga_manager *mgr,
> >
> > /* don't globally reset PL if we're doing partial reconfig */
> > if (!(info->flags & FPGA_MGR_PARTIAL_RECONFIG)) {
> > - if (!zynq_fpga_has_sync(buf, count)) {
> > + if (!zynq_fpga_has_sync((u8 *)buf, count)) {
>
> Instead of casting, change the signature of zynq_fpga_has_sync to use const
> char * over const *u8.
>
> Also please review the implementation of zynq_fpga_has_sync.
>
I agree, will fix in v3.
> The comments says 'It must start with .. ' but the loop looks over the whole
> buffer
>
Will correct the API description in v3.
Regards,
Navakishore.