diff options
Diffstat (limited to 'cmd/host.c')
| -rw-r--r-- | cmd/host.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/cmd/host.c b/cmd/host.c index b924940ffbd..2334ccd9bcb 100644 --- a/cmd/host.c +++ b/cmd/host.c @@ -13,6 +13,7 @@ #include <dm/device-internal.h> #include <dm/uclass-internal.h> #include <linux/errno.h> +#include <linux/log2.h> static int do_host_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -45,6 +46,7 @@ static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc, struct udevice *dev; const char *label; char *file; + unsigned long blksz = DEFAULT_BLKSZ; int ret; /* Skip 'bind' */ @@ -59,12 +61,19 @@ static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc, argv++; } - if (argc != 2) + if (argc < 2 || argc > 3) return CMD_RET_USAGE; label = argv[0]; file = argv[1]; + if (argc > 2) { + blksz = dectoul(argv[2], NULL); + if (blksz < DEFAULT_BLKSZ || !is_power_of_2(blksz)) { + printf("blksz must be >= 512 and power of 2\n"); + return CMD_RET_FAILURE; + } + } - ret = host_create_attach_file(label, file, removable, &dev); + ret = host_create_attach_file(label, file, removable, blksz, &dev); if (ret) { printf("Cannot create device / bind file\n"); return CMD_RET_FAILURE; @@ -253,7 +262,8 @@ U_BOOT_CMD( "host save hostfs - <addr> <filename> <bytes> [<offset>] - " "save a file to host\n" "host size hostfs - <filename> - determine size of file on host\n" - "host bind [-r] <label> <filename> - bind \"host\" device to file\n" + "host bind [-r] <label> <filename> [<blksz>] - bind \"host\" device to file,\n" + " and optionally set the device's logical block size\n" " -r = mark as removable\n" "host unbind <label> - unbind file from \"host\" device\n" "host info [<label>] - show device binding & info\n" |