[PATCH] ARM: OMAP1: fix incorrect INT_DMA_LCD

[PATCH] ARM: OMAP1: fix incorrect INT_DMA_LCD

[Tony Lindgren]

* Aaro Koskinen <aaro.koskinen@iki.fi> [151026 11:24]:
> Commit 685e2d08c54b ("ARM: OMAP1: Change interrupt numbering for
> sparse IRQ") turned on SPARSE_IRQ on OMAP1, but forgot to change
> the number of INT_DMA_LCD. This broke the boot at least on Nokia 770,
> where the device hangs during framebuffer initialization.
> 
> Fix by defining INT_DMA_LCD like the other interrupts.

OK good to hear, applying into omap-for-v4.3/fixes. If it does not get
pulled for v4.3, then it's already tagged cc: stable. BTW, you should
not send mail to cc stable when posting patches, Greg will send you
a note on that.

I'm having hard time booting 770 and n800 after I had to change my motherboard
last sring.

Somehow 0xFFFF can't get anything loaded over USB. I even installed a new
PCIe OHCI + EHCI adapter but still no luck.

Regards,

Tony

> Cc: stable at vger.kernel.org # v4.2+
> Fixes: 685e2d08c54b ("ARM: OMAP1: Change interrupt numbering for sparse IRQ")
> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> ---
>  include/linux/omap-dma.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
> index e5a7013..88fa8af 100644
> --- a/include/linux/omap-dma.h
> +++ b/include/linux/omap-dma.h
> @@ -17,7 +17,7 @@
>  
>  #include <linux/platform_device.h>
>  
> -#define INT_DMA_LCD			25
> +#define INT_DMA_LCD			(NR_IRQS_LEGACY + 25)
>  
>  #define OMAP1_DMA_TOUT_IRQ		(1 << 0)
>  #define OMAP_DMA_DROP_IRQ		(1 << 1)
> -- 
> 2.4.0
> 

[BISECTED] Nokia 770 framebuffer breakage

[Tony Lindgren]

Hi,

* Aaro Koskinen <aaro.koskinen@iki.fi> [151020 01:51]:
> 
> With newer kernels and this fix the kernel now hangs during FB
> initialization. I tried to bisect it and it seemed to point to OMAP1
> sparse IRQ changes. Unfortunately those are difficult to test because
> e.g. commit 685e2d08c54b1a1bf31bbe6562f06db089d31c7b does not seem to
> compile without some other changes...

If you need to bisect just the omap1 sparse irq changes, maybe you can
do it between v4.1-rc3..685e2d08c54b1 plus your extra patch carried.


Regards,

Tony

[PATCH] ARM: OMAP1: fix incorrect INT_DMA_LCD

[Aaro Koskinen]

Commit 685e2d08c54b ("ARM: OMAP1: Change interrupt numbering for
sparse IRQ") turned on SPARSE_IRQ on OMAP1, but forgot to change
the number of INT_DMA_LCD. This broke the boot at least on Nokia 770,
where the device hangs during framebuffer initialization.

Fix by defining INT_DMA_LCD like the other interrupts.

Cc: stable at vger.kernel.org
Fixes: 685e2d08c54b ("ARM: OMAP1: Change interrupt numbering for sparse IRQ")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
 include/linux/omap-dma.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index e5a7013..88fa8af 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -17,7 +17,7 @@
 
 #include <linux/platform_device.h>
 
-#define INT_DMA_LCD			25
+#define INT_DMA_LCD			(NR_IRQS_LEGACY + 25)
 
 #define OMAP1_DMA_TOUT_IRQ		(1 << 0)
 #define OMAP_DMA_DROP_IRQ		(1 << 1)
-- 
2.4.0