diff options
Diffstat (limited to 'common/bbu.c')
| -rw-r--r-- | common/bbu.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/common/bbu.c b/common/bbu.c index 4d92d70ff9..26b997c02e 100644 --- a/common/bbu.c +++ b/common/bbu.c @@ -310,7 +310,7 @@ int bbu_mmcboot_handler(struct bbu_handler *handler, struct bbu_data *data, { struct bbu_data _data = *data; int ret; - char *devicefile = NULL, *bootpartvar = NULL; + char *devicefile = NULL, *bootpartvar = NULL, *bootackvar = NULL; const char *bootpart; const char *devname = devpath_to_name(data->devicefile); @@ -346,10 +346,25 @@ int bbu_mmcboot_handler(struct bbu_handler *handler, struct bbu_data *data, if (ret < 0) goto out; + /* + * This flag can be set in the chained handler or by + * bbu_mmcboot_handler's caller + */ + if ((_data.flags | data->flags) & BBU_FLAG_MMC_BOOT_ACK) { + ret = asprintf(&bootackvar, "%s.boot_ack", devname); + if (ret < 0) + goto out; + + ret = setenv(bootackvar, "1"); + if (ret) + goto out; + } + /* on success switch boot source */ ret = setenv(bootpartvar, bootpart); out: + free(bootackvar); free(devicefile); free(bootpartvar); |