| Message ID | 1307891100-31123-5-git-send-email-ynezz@true.cz |
|---|---|
| State | New |
| Headers | show |
On Sunday, June 12, 2011 8:05 AM, Petr Štetiar wrote: > > It was discovered by Roberto Bergo, that RTS/DTR signals are inverted after > the boot, because it was causing him problems with hardware controlled modem > connected on ttyAM0. Todd Valentic came with this patch for the issue. > > Discussion: http://tech.groups.yahoo.com/group/ts-7000/message/20259 > > Cc: Ryan Mallon <ryan@bluewatersys.com> > Cc: Hartley Sweeten <hsweeten@visionengravers.com> > Signed-off-by: Todd Valentic <todd.valentic@sri.com> > Tested-by: Roberto Bergo <roberto.bergo@robson.it> > Signed-off-by: Petr Štetiar <ynezz@true.cz> > --- > arch/arm/mach-ep93xx/core.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c > index 8207954..cf1ce32 100644 > --- a/arch/arm/mach-ep93xx/core.c > +++ b/arch/arm/mach-ep93xx/core.c > @@ -251,9 +251,9 @@ static void ep93xx_uart_set_mctrl(struct amba_device *dev, > unsigned int mcr; > > mcr = 0; > - if (!(mctrl & TIOCM_RTS)) > + if (mctrl & TIOCM_RTS) > mcr |= 2; > - if (!(mctrl & TIOCM_DTR)) > + if (mctrl & TIOCM_DTR) > mcr |= 1; > > __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET); This looks correct. Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Please add the patch to Russell's Patch Tracker. Thanks, Hartley
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 8207954..cf1ce32 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -251,9 +251,9 @@ static void ep93xx_uart_set_mctrl(struct amba_device *dev, unsigned int mcr; mcr = 0; - if (!(mctrl & TIOCM_RTS)) + if (mctrl & TIOCM_RTS) mcr |= 2; - if (!(mctrl & TIOCM_DTR)) + if (mctrl & TIOCM_DTR) mcr |= 1; __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET);