Message ID | 20241216191818.1553557-2-hugo@hugovil.com |
---|---|
State | New |
Headers | show |
Series | [1/4] serial: sc16is7xx: add missing support for rs485 devicetree properties | expand |
On Tue, 17 Dec 2024 07:41:32 +0100 Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > On Mon, Dec 16, 2024 at 02:18:15PM -0500, Hugo Villeneuve wrote: > > From: Hugo Villeneuve <hvilleneuve@dimonoff.com> > > > > Retrieve rs485 devicetree properties on registration of sc16is7xx ports in > > case they are attached to an rs485 transceiver. > > > > Reworked to fix conflicts when backporting to linux-5.15.y. > > > > Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com> > > Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> > > Reviewed-by: Lech Perczak <lech.perczak@camlingroup.com> > > Tested-by: Lech Perczak <lech.perczak@camlingroup.com> > > Link: https://lore.kernel.org/r/20230807214556.540627-7-hugo@hugovil.com > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > I do not see any commit ids on this series matching up with what is in > Linus's tree. Please fix up and resend the series. Ok will do. I will first submit only this patch to make sure my submission follows the stable guidelines. Hugo.
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 692c14d7f7d1a..3d3f66563b73b 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1307,6 +1307,10 @@ static int sc16is7xx_probe(struct device *dev, mutex_init(&s->p[i].efr_lock); + ret = uart_get_rs485_mode(&s->p[i].port); + if (ret) + goto out_ports; + /* Disable all interrupts */ sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0); /* Disable TX/RX */