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author | Vitaly Wool <vwool@ru.mvista.com> | 2006-11-20 16:32:39 +0300 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 20:41:24 +1100 |
commit | 28f9ec349ae47c91768b7bc5607db4442c818e11 (patch) | |
tree | 548d75d56ffefd80c8c0fc85afd39fad2d3f156f /arch | |
parent | a5715d6dfc85e002bfad68bb2858cf5a248e2060 (diff) | |
download | kernel_samsung_smdk4412-28f9ec349ae47c91768b7bc5607db4442c818e11.zip kernel_samsung_smdk4412-28f9ec349ae47c91768b7bc5607db4442c818e11.tar.gz kernel_samsung_smdk4412-28f9ec349ae47c91768b7bc5607db4442c818e11.tar.bz2 |
[POWERPC] Add of_platform support for ROM devices
This adds support for flash device descriptions to the OF device tree.
It's inspired by and partially borrowed from Sergei's patch "[RFC]
Adding MTD to device tree.patch".
Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/rom.c | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index bae8746..ee7c6d4 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o obj-$(CONFIG_QUICC_ENGINE) += qe_lib/ +obj-$(CONFIG_MTD) += rom.o ifeq ($(CONFIG_PPC_MERGE),y) obj-$(CONFIG_PPC_I8259) += i8259.o diff --git a/arch/powerpc/sysdev/rom.c b/arch/powerpc/sysdev/rom.c new file mode 100644 index 0000000..bf5b3f1 --- /dev/null +++ b/arch/powerpc/sysdev/rom.c @@ -0,0 +1,31 @@ +/* + * ROM device registration + * + * (C) 2006 MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/kernel.h> +#include <asm/of_device.h> + +static int __init powerpc_flash_init(void) +{ + struct device_node *node = NULL; + + /* + * Register all the devices which type is "rom" + */ + while ((node = of_find_node_by_type(node, "rom")) != NULL) { + if (node->name == NULL) { + printk(KERN_WARNING "powerpc_flash_init: found 'rom' " + "device, but with no name, skipping...\n"); + continue; + } + of_platform_device_create(node, node->name, NULL); + } + return 0; +} + +arch_initcall(powerpc_flash_init); |