/* * Freescale QUICC Engine USB Host Controller Driver * * Copyright (c) Freescale Semicondutor, Inc. 2006. * Shlomi Gridish * Jerry Huang * Copyright (c) Logic Product Development, Inc. 2007 * Peter Barada * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #include "fhci.h" static void init_td(struct td *td) { memset(td, 0, sizeof(*td)); INIT_LIST_HEAD(&td->node); INIT_LIST_HEAD(&td->frame_lh); } static void init_ed(struct ed *ed) { memset(ed, 0, sizeof(*ed)); INIT_LIST_HEAD(&ed->td_list); INIT_LIST_HEAD(&ed->node); } static struct td *get_empty_td(struct fhci_hcd *fhci) { struct td *td; if (!list_empty(&fhci->empty_tds)) { td = list_entry(fhci->empty_tds.next, struct td, node); list_del(fhci->empty_tds.next); } else { td = kmalloc(sizeof(*td), GFP_ATOMIC); if (!td) fhci_err(fhci, "No memory to allocate to TD\n"); else init_td(td); } return td; } void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td) { init_td(td); list_add(&td->node, &fhci->empty_tds); } struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci) { struct ed *ed; if (!list_empty(&fhci->empty_eds)) { ed = list_entry(fhci->empty_eds.next, struct ed, node); list_del(fhci->empty_eds.next); } else { ed = kmalloc(sizeof(*ed), GFP_ATOMIC); if (!ed) fhci_err(fhci, "No memory to allocate to ED\n"); else init_ed(ed); } return ed; } void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed) { init_ed(ed); list_add(&ed->node, &fhci->empty_eds); } struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, struct urb_priv *urb_priv, struct ed *ed, u16 index, enum fhci_ta_type type, int toggle, u8 *data, u32 len, u16 interval, u16 start_frame, bool ioc) { struct td *td = get_empty_td(fhci); if (!td) return NULL; td->urb = urb; td->ed = ed; td->type = type; td->toggle = toggle; td->data = data; td->len = len; td->iso_index = index; td->interval = interval; td->start_frame = start_frame; td->ioc = ioc; td->status = USB_TD_OK; urb_priv->tds[index] = td; return td; }
path: root/drivers/usb
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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-01-17 13:46:29 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:33 +0800
commit11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /drivers/usb
parentd6040764adcb5cb6de1489422411d701c158bb69 (diff)
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/usb')