The code in these functions turns out to often be the same. Add a default get_bootflow() function and allow the drivers to select it by setting the method to NULL.
This saves a little code space.
Signed-off-by: Simon Glass sjg@chromium.org ---
boot/bootdev-uclass.c | 27 +++++++++++++++++++++++++-- drivers/mmc/mmc_bootdev.c | 25 ------------------------- drivers/usb/host/usb_bootdev.c | 24 ------------------------ include/bootdev.h | 5 ++++- 4 files changed, 29 insertions(+), 52 deletions(-)
diff --git a/boot/bootdev-uclass.c b/boot/bootdev-uclass.c index 97f75cba49d..0ef3daf24cb 100644 --- a/boot/bootdev-uclass.c +++ b/boot/bootdev-uclass.c @@ -450,14 +450,37 @@ int bootdev_find_by_any(const char *name, struct udevice **devp) return 0; }
+static int default_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, + struct bootflow *bflow) +{ + struct udevice *blk; + int ret; + + ret = bootdev_get_sibling_blk(dev, &blk); + /* + * If there is no media, indicate that no more partitions should be + * checked + */ + if (ret == -EOPNOTSUPP) + ret = -ESHUTDOWN; + if (ret) + return log_msg_ret("blk", ret); + assert(blk); + ret = bootdev_find_in_blk(dev, blk, iter, bflow); + if (ret) + return log_msg_ret("find", ret); + + return 0; +} + int bootdev_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, struct bootflow *bflow) { const struct bootdev_ops *ops = bootdev_get_ops(dev);
- if (!ops->get_bootflow) - return -ENOSYS; bootflow_init(bflow, dev, iter->method); + if (!ops->get_bootflow) + return default_get_bootflow(dev, iter, bflow);
return ops->get_bootflow(dev, iter, bflow); } diff --git a/drivers/mmc/mmc_bootdev.c b/drivers/mmc/mmc_bootdev.c index b4f41fb3a67..037b67bc0ff 100644 --- a/drivers/mmc/mmc_bootdev.c +++ b/drivers/mmc/mmc_bootdev.c @@ -11,30 +11,6 @@ #include <dm.h> #include <mmc.h>
-static int mmc_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, - struct bootflow *bflow) -{ - struct udevice *mmc_dev = dev_get_parent(dev); - struct udevice *blk; - int ret; - - ret = mmc_get_blk(mmc_dev, &blk); - /* - * If there is no media, indicate that no more partitions should be - * checked - */ - if (ret == -EOPNOTSUPP) - ret = -ESHUTDOWN; - if (ret) - return log_msg_ret("blk", ret); - assert(blk); - ret = bootdev_find_in_blk(dev, blk, iter, bflow); - if (ret) - return log_msg_ret("find", ret); - - return 0; -} - static int mmc_bootdev_bind(struct udevice *dev) { struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev); @@ -45,7 +21,6 @@ static int mmc_bootdev_bind(struct udevice *dev) }
struct bootdev_ops mmc_bootdev_ops = { - .get_bootflow = mmc_get_bootflow, };
static const struct udevice_id mmc_bootdev_ids[] = { diff --git a/drivers/usb/host/usb_bootdev.c b/drivers/usb/host/usb_bootdev.c index b85f699933d..b2d157faf33 100644 --- a/drivers/usb/host/usb_bootdev.c +++ b/drivers/usb/host/usb_bootdev.c @@ -11,29 +11,6 @@ #include <dm.h> #include <usb.h>
-static int usb_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, - struct bootflow *bflow) -{ - struct udevice *blk; - int ret; - - ret = bootdev_get_sibling_blk(dev, &blk); - /* - * If there is no media, indicate that no more partitions should be - * checked - */ - if (ret == -EOPNOTSUPP) - ret = -ESHUTDOWN; - if (ret) - return log_msg_ret("blk", ret); - assert(blk); - ret = bootdev_find_in_blk(dev, blk, iter, bflow); - if (ret) - return log_msg_ret("find", ret); - - return 0; -} - static int usb_bootdev_bind(struct udevice *dev) { struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev); @@ -44,7 +21,6 @@ static int usb_bootdev_bind(struct udevice *dev) }
struct bootdev_ops usb_bootdev_ops = { - .get_bootflow = usb_get_bootflow, };
static const struct udevice_id usb_bootdev_ids[] = { diff --git a/include/bootdev.h b/include/bootdev.h index d0ca51c6d5e..1e91d4130e7 100644 --- a/include/bootdev.h +++ b/include/bootdev.h @@ -50,7 +50,10 @@ struct bootdev_uc_plat { /** struct bootdev_ops - Operations for the bootdev uclass */ struct bootdev_ops { /** - * get_bootflow() - get a bootflow + * get_bootflow() - get a bootflow (optional) + * + * If this is NULL then the default implementaton is used, which is + * default_get_bootflow() * * @dev: Bootflow device to check * @iter: Provides current dev, part, method to get. Should update