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SubjectRe: [PATCH v3 02/14] serial: liteuart: use bit number macros
On Tue, Nov 15, 2022 at 05:33:47PM +0200, Ilpo Järvinen wrote:
> On Sat, 12 Nov 2022, Gabriel Somlo wrote:
>
> > Replace magic bit constants (e.g., 1, 2, 4) with BIT(x) expressions.
> >
> > Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
> > ---
> > drivers/tty/serial/liteuart.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
> > index 32b81bd03d0c..1497d4cdc221 100644
> > --- a/drivers/tty/serial/liteuart.c
> > +++ b/drivers/tty/serial/liteuart.c
> > @@ -38,8 +38,8 @@
> > #define OFF_EV_ENABLE 0x14
> >
> > /* events */
> > -#define EV_TX 0x1
> > -#define EV_RX 0x2
> > +#define EV_TX BIT(0)
> > +#define EV_RX BIT(1)
> >
> > struct liteuart_port {
> > struct uart_port port;
> >
>
> This seems to assume some random header provides BIT() for you?

OK: version 4 of the series will have this commit explicitly
#include <linux/bits.h>, which right now is most likely brought
in implicitly by one or more of the existing headers.

Thanks,
--Gabriel

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