Re: [PATCH v4 1/5] fpga: zynq: Fix incorrect variable type

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On Sat, Apr 16, 2022 at 07:07:15PM +0530, Nava kishore Manne wrote:
> zynq_fpga_has_sync () API is expecting "u8 *" but the
> formal parameter that was passed is of type "const char *".
> fixes this issue by changing the buf type to "const char *"
> 
> This patch will also update zynq_fpga_has_sync () API description
> to align with API functionality.
> 
> Signed-off-by: Nava kishore Manne <nava.manne@xxxxxxxxxx>
> ---
> Changes for v2:
>                 -None.
> Changes for v3:
>                - Changed arg buf type to "const char *" as suggested by Tom.
>                - update zynq_fpga_has_sync () API description to align with API
>                  functionality.
> Changes for v4:
>                - None.

There are some minor comments in v3, please check it.

Thanks,
Yilun

> 
>  drivers/fpga/zynq-fpga.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
> index 426aa34c6a0d..ada07eea64bc 100644
> --- a/drivers/fpga/zynq-fpga.c
> +++ b/drivers/fpga/zynq-fpga.c
> @@ -235,11 +235,11 @@ static irqreturn_t zynq_fpga_isr(int irq, void *data)
>  	return IRQ_HANDLED;
>  }
>  
> -/* Sanity check the proposed bitstream. It must start with the sync word in
> - * the correct byte order, and be dword aligned. The input is a Xilinx .bin
> - * file with every 32 bit quantity swapped.
> +/* Sanity check the proposed bitstream. The sync word must be found in the
> + * correct byte order and it should be dword aligned. The input is a
> + * Xilinx.bin file with every 32 bit quantity swapped.
>   */
> -static bool zynq_fpga_has_sync(const u8 *buf, size_t count)
> +static bool zynq_fpga_has_sync(const char *buf, size_t count)
>  {
>  	for (; count >= 4; buf += 4, count -= 4)
>  		if (buf[0] == 0x66 && buf[1] == 0x55 && buf[2] == 0x99 &&
> -- 
> 2.25.1



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