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authorJulius Werner <jwerner@chromium.org>2019-07-10 15:53:59 -0700
committerPatrick Georgi <pgeorgi@google.com>2019-08-22 10:37:26 +0000
commit277498c2834a11c337faf3677782943f210a5c1f (patch)
treeef43974418f75584c4a665c7d1a6430ec774bacd /src
parent182fea717e413bf3c0920920da13a98aa8fe890c (diff)
libpayload: usbmsc: Factor out usb_msc_force_init() function
We're planning to have a use case with a custom USB device that implements the USB mass storage protocol on its bulk endpoints, but does not have the normal MSC class/protocol interface descriptors and does not support class-specific control requests (Get Max LUN and Bulk-Only Reset). We'd like to identify/enumerate the device via usb_generic_create() in our payload but then reuse all the normal MSC driver code. In order to make that possible, this patch factors a new usb_msc_force_init() function out of usb_msc_init() which will initialize an MSC device without checking its descriptors. It also adds some "quirks" flags that allow devices registered this way to customize behavior of the MSC stack. Change-Id: I50392128409cb2a879954f234149a5e3b060a229 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34227 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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