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authorAlan Stern <stern@rowland.harvard.edu>2007-09-10 11:33:05 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 14:55:26 -0700
commit95cf82f99cfbd697c15572c444bd4f54f19745b0 (patch)
tree87d0bd6c842922231f5177522b6635532416d206 /.gitignore
parent5ad4f71e2f19a06f738463da1f09ea7fda3a3db2 (diff)
USB: break apart flush_endpoint and disable_endpoint
This patch (as988) breaks usb_hcd_endpoint_disable() apart into two routines. The first, usb_hcd_flush_endpoint() does the -ESHUTDOWN unlinking of all URBs in the endpoint's queue and waits for them to complete. The second, usb_hcd_disable_endpoint() -- renamed for better grammatical style -- merely calls the HCD's endpoint_disable method. The changeover is easy because the routine currently has only one caller. This separation of function will be exploited in the following patch: When a device is suspended, the core will be able to cancel all outstanding URBs for that device while leaving the HCD's endpoint-related data structures intact for later. As an added benefit, HCDs no longer need to check for existing URBs in their endpoint_disable methods. It is now guaranteed that there will be none. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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