diff options
Diffstat (limited to 'boot/bootstd-uclass.c')
| -rw-r--r-- | boot/bootstd-uclass.c | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/boot/bootstd-uclass.c b/boot/bootstd-uclass.c index fdb8d69e320..8c0fd4e63c3 100644 --- a/boot/bootstd-uclass.c +++ b/boot/bootstd-uclass.c @@ -6,6 +6,7 @@ * Written by Simon Glass <sjg@chromium.org> */ +#include <alist.h> #include <bootflow.h> #include <bootstd.h> #include <dm.h> @@ -42,13 +43,11 @@ static int bootstd_of_to_plat(struct udevice *dev) static void bootstd_clear_glob_(struct bootstd_priv *priv) { - while (!list_empty(&priv->glob_head)) { - struct bootflow *bflow; + struct bootflow *bflow; - bflow = list_first_entry(&priv->glob_head, struct bootflow, - glob_node); + alist_for_each(bflow, &priv->bootflows) bootflow_remove(bflow); - } + alist_empty(&priv->bootflows); } void bootstd_clear_glob(void) @@ -61,6 +60,44 @@ void bootstd_clear_glob(void) bootstd_clear_glob_(std); } +int bootstd_add_bootflow(struct bootflow *bflow) +{ + struct bootstd_priv *std; + int ret; + + ret = bootstd_get_priv(&std); + if (ret) + return ret; + + ret = std->bootflows.count; + bflow = alist_add(&std->bootflows, *bflow); + if (!bflow) + return log_msg_ret("bf2", -ENOMEM); + + return ret; +} + +int bootstd_clear_bootflows_for_bootdev(struct udevice *dev) +{ + struct bootstd_priv *std = bootstd_try_priv(); + struct bootflow *from, *to; + + /* if bootstd does not exist we cannot have any bootflows */ + if (!std) + return 0; + + /* Drop any bootflows that mention this dev */ + alist_for_each_filter(from, to, &std->bootflows) { + if (from->dev == dev) + bootflow_remove(from); + else + *to++ = *from; + } + alist_update_end(&std->bootflows, to); + + return 0; +} + static int bootstd_remove(struct udevice *dev) { struct bootstd_priv *priv = dev_get_priv(dev); @@ -100,6 +137,17 @@ const char *const *const bootstd_get_prefixes(struct udevice *dev) return std->prefixes ? std->prefixes : default_prefixes; } +struct bootstd_priv *bootstd_try_priv(void) +{ + struct udevice *dev; + + dev = uclass_try_first_device(UCLASS_BOOTSTD); + if (!dev || !device_active(dev)) + return NULL; + + return dev_get_priv(dev); +} + int bootstd_get_priv(struct bootstd_priv **stdp) { struct udevice *dev; @@ -117,7 +165,7 @@ static int bootstd_probe(struct udevice *dev) { struct bootstd_priv *std = dev_get_priv(dev); - INIT_LIST_HEAD(&std->glob_head); + alist_init_struct(&std->bootflows, struct bootflow); return 0; } |