diff options
| -rw-r--r-- | arch/arm/plat-samsung/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/devs.h | 12 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/platformdata.c | 37 |
3 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index b1d82cc5e716..228c2add1e2e 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -30,6 +30,8 @@ obj-$(CONFIG_S3C_ADC) += adc.o # devices +obj-y += platformdata.o + obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o obj-$(CONFIG_S3C_DEV_HSMMC2) += dev-hsmmc2.o diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index e6144e4b9118..676099999de4 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -108,3 +108,15 @@ extern struct platform_device s3c_device_camif; extern struct platform_device s3c_device_ac97; #endif + +/** + * s3c_set_platdata() - helper for setting platform data + * @pd: The default platform data for this device. + * @pdsize: The size of the platform data. + * @pdev: Pointer to the device to fill in. + * + * This helper replaces a number of calls that copy and then set the + * platform data of the device. + */ +extern void *s3c_set_platdata(void *pd, size_t pdsize, + struct platform_device *pdev); diff --git a/arch/arm/plat-samsung/platformdata.c b/arch/arm/plat-samsung/platformdata.c new file mode 100644 index 000000000000..7cf2e1e3b20f --- /dev/null +++ b/arch/arm/plat-samsung/platformdata.c @@ -0,0 +1,37 @@ +/* linux/arch/arm/plat-samsung/platformdata.c + * + * Copyright 2010 Ben Dooks <ben-linux <at> fluff.org> + * + * Helper for platform data setting + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.h> + +#include <plat/devs.h> + +void __init *s3c_set_platdata(void *pd, size_t pdsize, + struct platform_device *pdev) +{ + void *npd; + + if (!pd) { + /* too early to use dev_name(), may not be registered */ + printk(KERN_ERR "%s: no platform data supplied\n", pdev->name); + return NULL; + } + + npd = kmemdup(pd, pdsize, GFP_KERNEL); + if (!npd) { + printk(KERN_ERR "%s: cannot clone platform data\n", pdev->name); + return NULL; + } + + pdev->dev.platform_data = npd; + return npd; +} |