diff options
author | Simon Glass <sjg@chromium.org> | 2023-01-17 10:48:15 -0700 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2023-01-23 18:11:41 -0500 |
commit | 91943ff7038f9c47fb310dbc22150b5664c8fbf7 (patch) | |
tree | 34db142da2cb42b692d8589502234594ee7bc078 /boot/bootdev-uclass.c | |
parent | 47aedc29dcb9871e076f6e4aa82004633af513ef (diff) |
bootstd: Allow scanning a single bootdev label
We want to support scanning a single label, like 'mmc' or 'usb0'. Add
this feature by plumbing the label through to the iterator, setting a
flag to indicate that only siblings of the initial device should be used.
This means that scanning a bootdev by its name is not supported anymore.
That feature doesn't seem very useful in practice, so it is no great loss.
Add a test for bootdev_find_by_any() while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'boot/bootdev-uclass.c')
-rw-r--r-- | boot/bootdev-uclass.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c index 334be7662a..522ecf38eb 100644 --- a/boot/bootdev-uclass.c +++ b/boot/bootdev-uclass.c @@ -649,10 +649,10 @@ int bootdev_next_prio(struct bootflow_iter *iter, struct udevice **devp) return 0; } -int bootdev_setup_iter(struct bootflow_iter *iter, struct udevice **devp, - int *method_flagsp) +int bootdev_setup_iter(struct bootflow_iter *iter, const char *label, + struct udevice **devp, int *method_flagsp) { - struct udevice *bootstd, *dev = *devp; + struct udevice *bootstd, *dev = NULL; bool show = iter->flags & BOOTFLOWF_SHOW; int method_flags; int ret; @@ -671,10 +671,24 @@ int bootdev_setup_iter(struct bootflow_iter *iter, struct udevice **devp, } /* Handle scanning a single device */ - if (dev) { - iter->flags |= BOOTFLOWF_SINGLE_DEV; - log_debug("Selected boodev: %s\n", dev->name); - method_flags = 0; + if (IS_ENABLED(CONFIG_BOOTSTD_FULL) && label) { + if (iter->flags & BOOTFLOWF_HUNT) { + ret = bootdev_hunt(label, show); + if (ret) + return log_msg_ret("hun", ret); + } + ret = bootdev_find_by_any(label, &dev, &method_flags); + if (ret) + return log_msg_ret("lab", ret); + + log_debug("method_flags: %x\n", method_flags); + if (method_flags & BOOTFLOW_METHF_SINGLE_UCLASS) + iter->flags |= BOOTFLOWF_SINGLE_UCLASS; + else if (method_flags & BOOTFLOW_METHF_SINGLE_DEV) + iter->flags |= BOOTFLOWF_SINGLE_DEV; + else + iter->flags |= BOOTFLOWF_SINGLE_MEDIA; + log_debug("Selected label: %s, flags %x\n", label, iter->flags); } else { bool ok; |