Re: [PATCH 2/3] drm: Renesas R-Car Display Unit DRM driver

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Hi

> I'm not sure of a good solution, however selecting OF where
> USE_OF wasn't previously selected seems to cause problems on at least
> ARM because devtree.c is then compiled without OF_FLATTREE selected.
> 
> That results in the following awesomeness as pointed out to me by Morimoto-san.
> 
> arch/arm/kernel/devtree.c: In function 'arm_dt_memblock_reserve':
> arch/arm/kernel/devtree.c:43:7: error: 'initial_boot_params' undeclared (first use in this function)
> arch/arm/kernel/devtree.c:43:7: note: each undeclared identifier is reported only once for each function it appears in
> arch/arm/kernel/devtree.c: In function 'setup_machine_fdt':
> arch/arm/kernel/devtree.c:193:2: error: 'initial_boot_params' undeclared (first use in this function)
> arch/arm/kernel/devtree.c:194:2: error: implicit declaration of function 'of_get_flat_dt_root'
> arch/arm/kernel/devtree.c:196:3: error: implicit declaration of function 'of_flat_dt_match'
> arch/arm/kernel/devtree.c:209:3: error: implicit declaration of function 'of_get_flat_dt_prop'
> arch/arm/kernel/devtree.c:209:8: warning: assignment makes pointer from integer without a cast
> arch/arm/kernel/devtree.c:220:8: warning: assignment makes pointer from integer without a cast
> arch/arm/kernel/devtree.c:222:9: warning: assignment makes pointer from integer without a cast
> arch/arm/kernel/devtree.c:228:2: error: implicit declaration of function 'of_scan_flat_dt'
> arch/arm/kernel/devtree.c:228:18: error: 'early_init_dt_scan_chosen' undeclared (first use in this function)
> arch/arm/kernel/devtree.c:230:18: error: 'early_init_dt_scan_root' undeclared (first use in this function)
> arch/arm/kernel/devtree.c:232:18: error: 'early_init_dt_scan_memory' undeclared (first use in this function)
> make[1]: *** [arch/arm/kernel/devtree.o] Error 1

OF_FLATTREE
OF_EARLY_FLATTREE

both are required ?


Best regards
---
Kuninori Morimoto
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