[PATCH v2 1/3] ARM: EXYNOS: uncompress - print debug messages if DEBUG_LL is defined
olof at lixom.net
Fri Jun 7 21:09:48 EDT 2013
On Thu, Jun 06, 2013 at 02:37:01PM +0530, Tushar Behera wrote:
> On 06/04/2013 09:49 AM, Tushar Behera wrote:
> > Printing low-level debug messages make an assumption that the specified
> > UART port has been preconfigured by the bootloader. Incorrectly
> > specified UART port results in system getting stalled while printing the
> > message "Uncompressing Linux... done, booting the kernel"
> > This UART port number is specified through S3C_LOWLEVEL_UART_PORT. Since
> > the UART port might different for different board, it is not possible to
> > specify it correctly for every board that use a common defconfig file.
> > Calling this print subroutine only when DEBUG_LL fixes the problem. By
> > disabling DEBUG_LL in default config file, we would be able to boot
> > multiple boards with different default UART ports.
> > With this current approach, we miss the print "Uncompressing Linux...
> > done, booting the kernel." when DEBUG_LL is not defined.
> > Signed-off-by: Tushar Behera <tushar.behera at linaro.org>
> > ---
> > Change for v2:
> > * Instead of checking value of uart_base, now check if DEBUG_LL
> > is enabled. This removes the ifdef's from mach/uncompress.h
> > arch/arm/plat-samsung/include/plat/uncompress.h | 10 +++++++++-
> > 1 file changed, 9 insertions(+), 1 deletion(-)
> If there are no concerns, would it be possible to queue this patch [1/3]
> for 3.10?
> The other two patches can wait for 3.11.
Sure, I've applied it to fixes for 3.10.
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