Sorry for delaying things, i've had a lot on my minds lately!!
Thank you for reminding me!!
/Bo
________________________________________
Från: Jakub Kicinski [kubakici@xxxxx]
Skickat: den 28 maj 2015 15:28
Till: Bo Svangård
Kopia: greg@xxxxxxxxx; linux-serial@xxxxxxxxxxxxxxx; peter@xxxxxxxxxxxxxxxxxx
Ämne: Re: [PATCH] serial: sc16is7xx, adjust register address to regmap_raw_read/write to enable secondary UART
On Thu, 23 Apr 2015 13:23:54 +0200, Jakub Kiciński wrote:
> On Wed, 22 Apr 2015 14:27:26 +0200, bo.svangard@xxxxxxxxxxxxxx wrote:
> > From: Bo Svangård <bo.svangard@xxxxxxxxxxxxxx>
> >
> > Calls to regmap_raw_read/write needed register rewrite in a
> > similar way as calls to regmap_read/write already had.
> > This enables reading/writing the serial datastream to the device.
> >
> > Signed-off-by: Bo Svangård <bo.svangard@xxxxxxxxxxxxxx>
> > ---
> > ---
> > drivers/tty/serial/sc16is7xx.c | 9 ++++++---
> > 1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
> > index 468354e..a4fd862 100644
> > --- a/drivers/tty/serial/sc16is7xx.c
> > +++ b/drivers/tty/serial/sc16is7xx.c
> > @@ -495,8 +495,9 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen,
> > bytes_read = 1;
> > } else {
> > regcache_cache_bypass(s->regmap, true);
> > - regmap_raw_read(s->regmap, SC16IS7XX_RHR_REG,
> > - s->buf, rxlen);
> > + regmap_raw_read(s->regmap,
> > + (SC16IS7XX_RHR_REG << SC16IS7XX_REG_SHIFT) | port->line,
> > + s->buf, rxlen);
> > regcache_cache_bypass(s->regmap, false);
> > bytes_read = rxlen;
> > }
> > @@ -578,7 +579,9 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
> > xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
> > }
> > regcache_cache_bypass(s->regmap, true);
> > - regmap_raw_write(s->regmap, SC16IS7XX_THR_REG, s->buf, to_send);
> > + regmap_raw_write(s->regmap,
> > + (SC16IS7XX_THR_REG << SC16IS7XX_REG_SHIFT) | port->line,
> > + s->buf, to_send);
> > regcache_cache_bypass(s->regmap, false);
> > }
> >
>
> Seems to me it would be cleaner if you provided wrapper functions
> similar sc16is7xx_port_(read|write|update) for FIFO access. Your
> calls already take 3 lines and you go over 80 chars.
Ping. What are your plans on this. Are you going to post a new
version of this patch or should I take over?
Thanks, Kuba
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