From: Rob Herring <rob.herr...@calxeda.com>

Convert fatload, fatls, and fatinfo to use common device and partition
parsing function. With the common function "dev:part" can come from the
environment and a '-' can be used in that case.

Signed-off-by: Rob Herring <rob.herr...@calxeda.com>
---
 common/cmd_fat.c |   72 +++++++++++++++++++----------------------------------
 1 files changed, 26 insertions(+), 46 deletions(-)

diff --git a/common/cmd_fat.c b/common/cmd_fat.c
index 0220494..be617fe 100644
--- a/common/cmd_fat.c
+++ b/common/cmd_fat.c
@@ -40,29 +40,21 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, 
char * const argv[])
        unsigned long count;
        char buf [12];
        block_dev_desc_t *dev_desc=NULL;
-       int dev=0;
-       int part=1;
+       disk_partition_t info;
+       int part, dev;
        char *ep;
 
        if (argc < 5) {
-               printf( "usage: fatload <interface> <dev[:part]> "
+               printf("usage: fatload <interface> [<dev[:part]>] "
                        "<addr> <filename> [bytes]\n");
                return 1;
        }
 
-       dev = (int)simple_strtoul(argv[2], &ep, 16);
-       dev_desc = get_dev(argv[1],dev);
-       if (dev_desc == NULL) {
-               puts("\n** Invalid boot device **\n");
+       part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info);
+       if (part < 0)
                return 1;
-       }
-       if (*ep) {
-               if (*ep != ':') {
-                       puts("\n** Invalid boot device, use `dev[:part]' **\n");
-                       return 1;
-               }
-               part = (int)simple_strtoul(++ep, NULL, 16);
-       }
+
+       dev = dev_desc->dev;
        if (fat_register_device(dev_desc,part)!=0) {
                printf("\n** Unable to use %s %d:%d for fatload **\n",
                        argv[1], dev, part);
@@ -93,7 +85,7 @@ int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char 
* const argv[])
 U_BOOT_CMD(
        fatload,        6,      0,      do_fat_fsload,
        "load binary file from a dos filesystem",
-       "<interface> <dev[:part]>  <addr> <filename> [bytes]\n"
+       "<interface> [<dev[:part]>]  <addr> <filename> [bytes]\n"
        "    - load binary file 'filename' from 'dev' on 'interface'\n"
        "      to address 'addr' from dos filesystem"
 );
@@ -106,24 +98,18 @@ int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char 
* const argv[])
        int part=1;
        char *ep;
        block_dev_desc_t *dev_desc=NULL;
+       disk_partition_t info;
 
-       if (argc < 3) {
-               printf("usage: fatls <interface> <dev[:part]> [directory]\n");
+       if (argc < 2) {
+               printf("usage: fatls <interface> [<dev[:part]>] [directory]\n");
                return 0;
        }
-       dev = (int)simple_strtoul(argv[2], &ep, 16);
-       dev_desc = get_dev(argv[1],dev);
-       if (dev_desc == NULL) {
-               puts("\n** Invalid boot device **\n");
+
+       part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info);
+       if (part < 0)
                return 1;
-       }
-       if (*ep) {
-               if (*ep != ':') {
-                       puts("\n** Invalid boot device, use `dev[:part]' **\n");
-                       return 1;
-               }
-               part = (int)simple_strtoul(++ep, NULL, 16);
-       }
+
+       dev = dev_desc->dev;
        if (fat_register_device(dev_desc,part)!=0) {
                printf("\n** Unable to use %s %d:%d for fatls **\n",
                        argv[1], dev, part);
@@ -142,7 +128,7 @@ int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char * 
const argv[])
 U_BOOT_CMD(
        fatls,  4,      1,      do_fat_ls,
        "list files in a directory (default /)",
-       "<interface> <dev[:part]> [directory]\n"
+       "<interface> [<dev[:part]>] [directory]\n"
        "    - list files from 'dev' on 'interface' in a 'directory'"
 );
 
@@ -151,25 +137,19 @@ int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, 
char * const argv[])
        int dev=0;
        int part=1;
        char *ep;
-       block_dev_desc_t *dev_desc=NULL;
+       block_dev_desc_t *dev_desc;
+       disk_partition_t info;
 
        if (argc < 2) {
-               printf("usage: fatinfo <interface> <dev[:part]>\n");
+               printf("usage: fatinfo <interface> [<dev[:part]>]\n");
                return 0;
        }
-       dev = (int)simple_strtoul(argv[2], &ep, 16);
-       dev_desc = get_dev(argv[1],dev);
-       if (dev_desc == NULL) {
-               puts("\n** Invalid boot device **\n");
+
+       part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info);
+       if (part < 0)
                return 1;
-       }
-       if (*ep) {
-               if (*ep != ':') {
-                       puts("\n** Invalid boot device, use `dev[:part]' **\n");
-                       return 1;
-               }
-               part = (int)simple_strtoul(++ep, NULL, 16);
-       }
+
+       dev = dev_desc->dev;
        if (fat_register_device(dev_desc,part)!=0) {
                printf("\n** Unable to use %s %d:%d for fatinfo **\n",
                        argv[1], dev, part);
@@ -181,6 +161,6 @@ int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, 
char * const argv[])
 U_BOOT_CMD(
        fatinfo,        3,      1,      do_fat_fsinfo,
        "print information about filesystem",
-       "<interface> <dev[:part]>\n"
+       "<interface> [<dev[:part]>]\n"
        "    - print information about filesystem from 'dev' on 'interface'"
 );
-- 
1.7.5.4

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