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dm: blk: Add a function to return the device type
Use the uclass name to get the device type for a block device. Signed-off-by: Simon Glass <sjg@chromium.org>
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2 changed files with 15 additions and 0 deletions
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@ -509,6 +509,13 @@ int blk_get_from_parent(struct udevice *parent, struct udevice **devp)
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return 0;
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}
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const char *blk_get_devtype(struct udevice *dev)
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{
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struct udevice *parent = dev_get_parent(dev);
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return uclass_get_name(device_get_uclass_id(parent));
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};
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int blk_find_max_devnum(enum if_type if_type)
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{
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struct udevice *dev;
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@ -433,6 +433,14 @@ int blk_select_hwpart(struct udevice *dev, int hwpart);
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*/
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int blk_get_from_parent(struct udevice *parent, struct udevice **devp);
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/**
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* blk_get_devtype() - Get the device type of a block device
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*
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* @dev: Block device to check
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* Return: device tree, i.e. the uclass name of its parent, e.g. "mmc"
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*/
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const char *blk_get_devtype(struct udevice *dev);
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/**
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* blk_get_by_device() - Get the block device descriptor for the given device
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* @dev: Instance of a storage device
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