[PATCH v1 1/1] powerpc/512x: dts: remove misplaced IRQ spec from 'soc' node

[Anatolij Gustschin]

On Tue,  3 Dec 2013 11:56:52 +0100
Gerhard Sittig <gsi at denx.de> wrote:

> the 'soc' node in the common .dtsi for MPC5121 has an '#interrupt-cells'
> property although this node is not an interrupt controller
> 
> remove this erroneously placed property because starting with v3.13-rc1
> lookup and resolution of 'interrupts' specs for peripherals gets misled,
> emits 'no irq domain found' WARN() messages and breaks the boot process
> 
>   irq: no irq domain found for /soc at 80000000 !
>   ------------[ cut here ]------------
>   WARNING: at /home/gsi/SRC/linux-torvalds/drivers/of/platform.c:171
>   Modules linked in:
>   CPU: 0 PID: 1 Comm: swapper Tainted: G        W    3.13.0-rc1-00001-g8a66234 #8
>   task: df823bb0 ti: df834000 task.ti: df834000
>   NIP: c02b5190 LR: c02b5180 CTR: c01cf4e0
>   REGS: df835c50 TRAP: 0700   Tainted: G        W     (3.13.0-rc1-00001-g8a66234)
>   MSR: 00029032 <EE,ME,IR,DR,RI>  CR: 229a9d42  XER: 20000000
> 
>   GPR00: c02b5180 df835d00 df823bb0 00000000 00000000 df835b18 ffffffff 00000308
>   GPR08: c0479cc0 c0480000 c0479cc0 00000308 00000308 00000000 c00040fc 00000000
>   GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 df850880
>   GPR24: df84d670 00000000 00000001 df8561a0 dffffccc df85089c 00000020 00000001
>   NIP [c02b5190] of_device_alloc+0xf4/0x1a0
>   LR [c02b5180] of_device_alloc+0xe4/0x1a0
>   Call Trace:
>   [df835d00] [c02b5180] of_device_alloc+0xe4/0x1a0 (unreliable)
>   [df835d50] [c02b5278] of_platform_device_create_pdata+0x3c/0xc8
>   [df835d70] [c02b53fc] of_platform_bus_create+0xf8/0x170
>   [df835dc0] [c02b5448] of_platform_bus_create+0x144/0x170
>   [df835e10] [c02b55a8] of_platform_bus_probe+0x98/0xe8
>   [df835e30] [c0437508] mpc512x_init+0x28/0x1c4
>   [df835e70] [c0435de8] ppc_init+0x4c/0x60
>   [df835e80] [c0003b28] do_one_initcall+0x150/0x1a4
>   [df835ef0] [c0432048] kernel_init_freeable+0x114/0x1c0
>   [df835f30] [c0004114] kernel_init+0x18/0x124
>   [df835f40] [c000e910] ret_from_kernel_thread+0x5c/0x64
>   Instruction dump:
>   409effd4 57c9103a 57de2834 7c89f050 7f83e378 7c972214 7f45d378 48001f55
>   7c63d278 7c630034 5463d97e 687a0001 <0f1a0000> 2f990000 387b0010 939b0098
>   ---[ end trace 2257f10e5a20cbdd ]---
> 
>   ...
>   irq: no irq domain found for /soc at 80000000 !
>   fsl-diu-fb 80002100.display: could not get DIU IRQ
>   fsl-diu-fb: probe of 80002100.display failed with error -22
>   irq: no irq domain found for /soc at 80000000 !
>   mpc512x_dma 80014000.dma: Error mapping IRQ!
>   mpc512x_dma: probe of 80014000.dma failed with error -22
>   ...
>   irq: no irq domain found for /soc at 80000000 !
>   fs_enet: probe of 80002800.ethernet failed with error -22
>   ...
>   irq: no irq domain found for /soc at 80000000 !
>   mpc5121-rtc 80000a00.rtc: mpc5121_rtc_probe: could not request irq: 0
>   mpc5121-rtc: probe of 80000a00.rtc failed with error -22
>   ...
> 
> [ best viewed with 'git diff -U5' to have DT node names in the context ]
> 
> Cc: Anatolij Gustschin <agust at denx.de>
> Cc: linuxppc-dev at lists.ozlabs.org
> Cc: devicetree at vger.kernel.org
> Signed-off-by: Gerhard Sittig <gsi at denx.de>
> ---
>  arch/powerpc/boot/dts/mpc5121.dtsi |    1 -
>  1 file changed, 1 deletion(-)

applied, thanks!

Anatolij