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cpu: Add get_vendor callback

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The CPU udevice already has a few callbacks to retreive information
about the currently running CPUs. This patch adds a new get_vendor()
call that returns the vendor of the main CPUs.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Alexander Graf 2016-08-19 01:23:27 +02:00
parent 6f192ddcbd
commit 94eaa79cec
7 changed files with 59 additions and 0 deletions
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20
include/cpu.h
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@ -73,6 +73,16 @@ struct cpu_ops {
* @return CPU count if OK, -ve on error
*/
int (*get_count)(struct udevice *dev);
/**
* get_vendor() - Get vendor name of a CPU
*
* @dev: Device to check (UCLASS_CPU)
* @buf: Buffer to place string
* @size: Size of string space
* @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
*/
int (*get_vendor)(struct udevice *dev, char *buf, int size);
};
#define cpu_get_ops(dev) ((struct cpu_ops *)(dev)->driver->ops)
@ -104,4 +114,14 @@ int cpu_get_info(struct udevice *dev, struct cpu_info *info);
*/
int cpu_get_count(struct udevice *dev);
/**
* cpu_get_vendor() - Get vendor name of a CPU
*
* @dev: Device to check (UCLASS_CPU)
* @buf: Buffer to place string
* @size: Size of string space
* @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
*/
int cpu_get_vendor(struct udevice *dev, char *buf, int size);
#endif