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usb: gadget: f_fs: resurect usb_functionfs_descs_head structure

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Even though usb_functionfs_descs_head structure is now deprecated,
it has been used by some user space tools.  Its removel in commit
[ac8dde1: “Add flags to descriptors block”] was an oversight
leading to build breakage for such tools.

Bring it back so that old user space tools can still be build
without problems on newer kernel versions.

Cc: <stable@vger.kernel.org>  # 3.14
Reported-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Reported-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Michal Nazarewicz 2014-06-13 15:38:04 +02:00 • committed by Felipe Balbi
commit 0912214178
1 changed files with 7 additions and 0 deletions
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7
include/uapi/linux/usb/functionfs.h
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@ -33,6 +33,13 @@ struct usb_endpoint_descriptor_no_audio {
__u8 bInterval;
} __attribute__((packed));
/* Legacy format, deprecated as of 3.14. */
struct usb_functionfs_descs_head {
__le32 magic;
__le32 length;
__le32 fs_count;
__le32 hs_count;
} __attribute__((packed, deprecated));
/*
* Descriptors format: