Re: [PATCH 3/3] staging: vt6655: Convert macro vt6655_mac_clear_stck_ds to function

From: Greg Kroah-Hartman
Date: Wed Jul 27 2022 - 02:50:25 EST


On Wed, Jul 20, 2022 at 06:24:43PM +0200, Philipp Hortmann wrote:
> Convert once used macro to static function.
> Multiline macros are not liked by kernel community.
>
> Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
> ---
> drivers/staging/vt6655/mac.c | 11 +++++++++++
> drivers/staging/vt6655/mac.h | 8 --------
> 2 files changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
> index d7ee42df7062..3e9494c653dc 100644
> --- a/drivers/staging/vt6655/mac.c
> +++ b/drivers/staging/vt6655/mac.c
> @@ -38,6 +38,8 @@
>
> #include "mac.h"
>
> +static void vt6655_mac_clear_stck_ds(void __iomem *iobase);
> +
> void vt6655_mac_reg_bits_on(void __iomem *iobase, const u8 reg_offset, const u8 bit_mask)
> {
> unsigned char reg_value;
> @@ -70,6 +72,15 @@ void vt6655_mac_word_reg_bits_off(void __iomem *iobase, const u8 reg_offset, con
> iowrite16(reg_value & ~(bit_mask), iobase + reg_offset);
> }
>
> +static void vt6655_mac_clear_stck_ds(void __iomem *iobase)
> +{
> + unsigned char reg_value;
> +
> + reg_value = ioread8(iobase + MAC_REG_STICKHW);
> + reg_value = reg_value & 0xFC;
> + iowrite8(reg_value, iobase + MAC_REG_STICKHW);
> +}
> +

Why not move this function up above, to before you call it, and then you
do not need the function declaration in this file?

thanks,

greg k-h