leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

disk: introduce get_device()

Browse Source 
This patch introduces function get_device(). This looks up a
block_dev_desc_t from an interface name (e.g. mmc) and device number
(e.g. 0). This function is essentially the non-partition-specific
prefix of get_device_and_partition().

Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Stephen Warren 2012-09-21 09:50:56 +00:00 committed by Tom Rini
parent 650f36641c
commit 2023e60861
2 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
disk/part.c
View File

@ -443,6 +443,28 @@ int get_partition_info(block_dev_desc_t *dev_desc, int part
return -1;
}
int get_device(const char *ifname, const char *dev_str,
block_dev_desc_t **dev_desc)
{
char *ep;
int dev;
dev = simple_strtoul(dev_str, &ep, 16);
if (*ep) {
printf("** Bad device specification %s %s **\n",
ifname, dev_str);
return -1;
}
*dev_desc = get_dev(ifname, dev);
if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
printf("** Bad device %s %s **\n", ifname, dev_str);
return -1;
}
return dev;
}
int get_device_and_partition(const char *ifname, const char *dev_str,
block_dev_desc_t **dev_desc,
disk_partition_t *info)

5
include/part.h
View File

@ -112,6 +112,8 @@ int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t
void print_part (block_dev_desc_t *dev_desc);
void init_part (block_dev_desc_t *dev_desc);
void dev_print(block_dev_desc_t *dev_desc);
int get_device(const char *ifname, const char *dev_str,
block_dev_desc_t **dev_desc);
int get_device_and_partition(const char *ifname, const char *dev_str,
block_dev_desc_t **dev_desc,
disk_partition_t *info);
@ -131,6 +133,9 @@ static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
static inline void print_part (block_dev_desc_t *dev_desc) {}
static inline void init_part (block_dev_desc_t *dev_desc) {}
static inline void dev_print(block_dev_desc_t *dev_desc) {}
static inline int get_device(const char *ifname, const char *dev_str,
block_dev_desc_t **dev_desc)
{ return -1; }
static inline int get_device_and_partition(const char *ifname,
const char *dev_str,
block_dev_desc_t **dev_desc,