Re: [PATCH v2] OMAP2: Zoom2: Pass irqflags to 8250 driver

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* Pandita, Vikram <vikram.pandita@xxxxxx> [090810 23:20]:
> 
> 
> >-----Original Message-----
> >From: Tony Lindgren [mailto:tony@xxxxxxxxxxx]
> >Sent: Monday, August 10, 2009 11:39 AM
> >To: Pandita, Vikram
> >Cc: linux-omap@xxxxxxxxxxxxxxx
> >Subject: Re: [PATCH v2] OMAP2: Zoom2: Pass irqflags to 8250 driver
> >
> >* Vikram Pandita <vikram.pandita@xxxxxx> [090623 02:29]:
> >> Pass irqflags to 8250 driver from zoom2 board file
> >> Zoom2 has IRQF_TRIGGER_RISING requirement for the 8250 GPIO irq
> >>
> >> This patch is dependent on 8250 driver changes getting accepted upstream:
> >> Refer: http://patchwork.kernel.org/patch/31884/
> >
> >FYI, I'll archive this for now, please resubmit once the related changes
> >are integrated. Or if resubmitting the related changes, please submit this
> >too via the serial list.
> 
> Looks like the dependency patch is already in linux-next tree at [1].
> The dependency patch is already lined up stream. 
> 
> So looks like you can line this irqflag change for zoom2.

OK, thanks, will queue to omap3-upstream queue.

Tony

> 
> [1] http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=commit;h=7053133124d5cdf207c1168c7a0c582a18e12ea7
> 
> >
> >Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
> >
> >
> >> Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx>
> >> ---
> >>
> >> Warning:
> >> could cause compilation break if 8250 patch is not integrated first
> >>
> >>  arch/arm/mach-omap2/board-zoom-debugboard.c |    2 ++
> >>  arch/arm/mach-omap2/serial.c                |    2 +-
> >>  2 files changed, 3 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-
> >debugboard.c
> >> index bac5c43..f546063 100644
> >> --- a/arch/arm/mach-omap2/board-zoom-debugboard.c
> >> +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
> >> @@ -12,6 +12,7 @@
> >>  #include <linux/gpio.h>
> >>  #include <linux/serial_8250.h>
> >>  #include <linux/smsc911x.h>
> >> +#include <linux/interrupt.h>
> >>
> >>  #include <mach/gpmc.h>
> >>
> >> @@ -84,6 +85,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
> >>  		.mapbase	= 0x10000000,
> >>  		.irq		= OMAP_GPIO_IRQ(102),
> >>  		.flags		= UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ,
> >> +		.irqflags	= IRQF_SHARED | IRQF_TRIGGER_RISING,
> >>  		.iotype		= UPIO_MEM,
> >>  		.regshift	= 1,
> >>  		.uartclk	= QUART_CLK,
> >> diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
> >> index b094c15..45d4884 100644
> >> --- a/arch/arm/mach-omap2/serial.c
> >> +++ b/arch/arm/mach-omap2/serial.c
> >> @@ -429,7 +429,7 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
> >>  		omap_ctrl_writew(v, uart->padconf);
> >>  	}
> >>
> >> -	p->flags |= UPF_SHARE_IRQ;
> >> +	p->irqflags |= IRQF_SHARED;
> >>  	ret = request_irq(p->irq, omap_uart_interrupt, IRQF_SHARED,
> >>  			  "serial idle", (void *)uart);
> >>  	WARN_ON(ret);
> >> --
> >> 1.6.0.3.613.g9f8f13
> >>
> >> --
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