diff options
| author | Tomasz Figa <tomasz.figa@gmail.com> | 2013-08-26 02:37:34 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2013-09-17 06:48:27 +0900 |
| commit | c836c90e276ec1b1b4193bb6f0b5e6b11cc69f83 (patch) | |
| tree | 7aba4732b5b76ba35c3bd8e96044154135e5f891 /arch/arm/plat-samsung | |
| parent | 81e9c1794f24376b0515756e300476d9fec77c0b (diff) | |
| download | linux-c836c90e276ec1b1b4193bb6f0b5e6b11cc69f83.tar.bz2 | |
ARM: S3C64XX: Bypass legacy initialization when booting with DT
This patch allows bypassing most of legacy initialization when booting
an S3C64xx-based board using device tree, by adding conditional checks
for DT presence to initcalls which are no longer necessary when booting
with DT..
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung')
| -rw-r--r-- | arch/arm/plat-samsung/init.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c index 50a3ea0037db..aa9511b6914a 100644 --- a/arch/arm/plat-samsung/init.c +++ b/arch/arm/plat-samsung/init.c @@ -11,12 +11,18 @@ * published by the Free Software Foundation. */ +/* + * NOTE: Code in this file is not used on S3C64xx when booting with + * Device Tree support. + */ + #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/serial_core.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <mach/hardware.h> @@ -148,8 +154,12 @@ static int __init s3c_arch_init(void) // do the correct init for cpu - if (cpu == NULL) + if (cpu == NULL) { + /* Not needed when booting with device tree. */ + if (of_have_populated_dt()) + return 0; panic("s3c_arch_init: NULL cpu\n"); + } ret = (cpu->init)(); if (ret != 0) |