| Message ID | 20230517141745.3801238-1-hugo@hugovil.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | serial: sc16is7xx: mark IOCONTROL register as volatile | expand |
On Wed, 17 May 2023 10:17:46 -0400 Hugo Villeneuve <hugo@hugovil.com> wrote: > From: Hugo Villeneuve <hvilleneuve@dimonoff.com> > > Bit SRESET (3) is cleared when a reset operation is completed. Having > the IOCONTROL register as non-volatile will always read SRESET as 1. > Therefore mark IOCONTROL register as a volatile register. > > Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com> > --- > drivers/tty/serial/sc16is7xx.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c > index 00054bb49780..a7c4da3cfd2b 100644 > --- a/drivers/tty/serial/sc16is7xx.c > +++ b/drivers/tty/serial/sc16is7xx.c > @@ -488,6 +488,7 @@ static bool sc16is7xx_regmap_volatile(struct device *dev, unsigned int reg) > case SC16IS7XX_TXLVL_REG: > case SC16IS7XX_RXLVL_REG: > case SC16IS7XX_IOSTATE_REG: > + case SC16IS7XX_IOCONTROL_REG: > return true; > default: > break; > -- > 2.30.2 This patch is now integrated in the following series: https://lkml.org/lkml/2023/5/25/7
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 00054bb49780..a7c4da3cfd2b 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -488,6 +488,7 @@ static bool sc16is7xx_regmap_volatile(struct device *dev, unsigned int reg) case SC16IS7XX_TXLVL_REG: case SC16IS7XX_RXLVL_REG: case SC16IS7XX_IOSTATE_REG: + case SC16IS7XX_IOCONTROL_REG: return true; default: break;