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fs/partitions: mtdpart: add command line fix for rk emmc

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黄涛
2013-07-22 11:35:20 +08:00
parent 0d5f5ecb94
commit caba97fc05
1 changed files with 22 additions and 0 deletions
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22
fs/partitions/mtdpart.c
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@@ -311,6 +311,23 @@ static int parse_cmdline_partitions(sector_t n,
return 0;
}
static void rk_emmc_fix(void)
{
const char mode_emmc[] = " androidboot.mode=emmc";
const char charger_emmc[] = " androidboot.charger.emmc=1";
char *new_command_line;
size_t saved_command_line_len = strlen(saved_command_line);
if (strstr(saved_command_line, "androidboot.mode=charger")) {
new_command_line = kzalloc(saved_command_line_len + strlen(charger_emmc) + 1, GFP_KERNEL);
sprintf(new_command_line, "%s%s", saved_command_line, charger_emmc);
} else {
new_command_line = kzalloc(saved_command_line_len + strlen(mode_emmc) + 1, GFP_KERNEL);
sprintf(new_command_line, "%s%s", saved_command_line, mode_emmc);
}
saved_command_line = new_command_line;
}
int mtdpart_partition(struct parsed_partitions *state)
{
int num_parts = 0, i;
@@ -320,6 +337,9 @@ int mtdpart_partition(struct parsed_partitions *state)
if(n < SECTOR_1G)
return 0;
if (state->bdev->bd_disk->major != MMC_BLOCK_MAJOR || state->bdev->bd_disk->first_minor != 0)
return 0;
cmdline = strstr(saved_command_line, "mtdparts=") + 9;
num_parts = parse_cmdline_partitions(n, &parts, 0);
@@ -336,6 +356,8 @@ int mtdpart_partition(struct parsed_partitions *state)
parts[i].size / 2048);
}
rk_emmc_fix();
return 1;
}