Re: [PATCH] ARM: msm: Update the references to DEBUG_MSM_UARTx

[Georgi Djakov]

On 05/26/2014 05:58 PM, Paul Bolle wrote:
> Hi Georgi,

Hi Paul,

> On Mon, 2014-05-26 at 16:58 +0300, Georgi Djakov wrote:
> > The Kconfig options DEBUG_MSM_UART1, DEBUG_MSM_UART2 and DEBUG_MSM_UART3
> > are removed, but they are still referenced in arch/arm/mach-msm/io.c
> > Fix this by updating the reference to the new Kconfig option.
> >
> > Reported-by: Paul Bolle <pebolle@xxxxxxxxxx>
> > Signed-off-by: Georgi Djakov <gdjakov@xxxxxxxxxx>
> > ---
> >   arch/arm/mach-msm/io.c |    6 ++----
> >   1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
> > index 34e0947..b042dca 100644
> > --- a/arch/arm/mach-msm/io.c
> > +++ b/arch/arm/mach-msm/io.c
> > @@ -57,8 +57,7 @@ static struct map_desc msm_io_desc[] __initdata = {
> >   		.length =   MSM_SHARED_RAM_SIZE,
> >   		.type =     MT_DEVICE,
> >   	},
> > -#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
> > -		defined(CONFIG_DEBUG_MSM_UART3)
> > +#if defined(CONFIG_DEBUG_MSM_UART)
> >   	{
> >   		/* Must be last: virtual and pfn filled in by debug_ll_addr() */
> >   		.length = SZ_4K,
> > @@ -76,8 +75,7 @@ void __init msm_map_common_io(void)
> >   	 * pages are peripheral interface or not.
> >   	 */
> >   	asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
> > -#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
> > -		defined(CONFIG_DEBUG_MSM_UART3)
> > +#if defined(CONFIG_DEBUG_MSM_UART)
> >   #ifdef CONFIG_MMU
> >   	debug_ll_addr(&msm_io_desc[size - 1].pfn,
> >   		      &msm_io_desc[size - 1].virtual);
>
> Should I now redo https://lkml.org/lkml/2014/5/15/249 by making the
> (outdated) checks in arch/arm/mach-msm/board-trout.c and
> arch/arm/mach-msm/board-trout-gpio.c also use CONFIG_DEBUG_MSM_UART?

Hm, not exactly. It seems that this board has multiple UARTs that can be 
used for debug, so we should also check for the UART PHYS address. I 
will prepare a patch to fix this too.

Thanks,
Georgi
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