Hi Jacopo, On 07/01/2019 10:05, Jacopo Mondi wrote: > Hi Kieran, <snip> >>> diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h >>> index b482c7fe6957..bc2da1b5ce29 100644 >>> --- a/drivers/media/i2c/adv748x/adv748x.h >>> +++ b/drivers/media/i2c/adv748x/adv748x.h >>> @@ -89,8 +89,12 @@ struct adv748x_csi2 { >>> >>> #define notifier_to_csi2(n) container_of(n, struct adv748x_csi2, notifier) >>> #define adv748x_sd_to_csi2(sd) container_of(sd, struct adv748x_csi2, sd) >>> + >>> #define is_tx_enabled(_tx) ((_tx)->state->endpoints[(_tx)->port] != NULL) >>> -#define is_txa(_tx) ((_tx) == &(_tx)->state->txa) >>> +#define __is_tx(_tx, _ab) ((_tx) == &(_tx)->state->tx##_ab) >>> +#define is_txa(_tx) __is_tx(_tx, a) >>> +#define is_txb(_tx) __is_tx(_tx, b) >> >> I would have just duplicated the is_txa() line here... but this is good >> too :) > > I agree it might seem more complex than necessary. I initially made it > like this as I started from the 'is_tx()' macro this series adds in > 6/6. > > If it is easier to have an '((_tx) == &(_tx)->state->txb)' I can > change this. It's fine for me as you've got it. It's still clear and readable, and implements the required functionality. <snip> -- Regards -- Kieran