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c4e1a40e35
clang doesn't like the array here: ec-utils-0.0.1-r3361: x86_64-cros-linux-gnu-clang -std=gnu99 -g -Wall -Werror -Wpointer-arith -Wcast-align -Wcast-qual -Wundef -Wsign-compare -Wredundant-decls -Wmissing-declarations -O0 -I/build/reef/usr/include/libusb-1.0 -I../../include -I../../board/cr50 -I ../../chip/g -I../../util usb_updater.c -lusb-1.0 -lcrypto -o usb_updater ec-utils-0.0.1-r3361: In file included from usb_updater.c:32: ec-utils-0.0.1-r3361: In file included from ../../include/usb_descriptor.h:14: ec-utils-0.0.1-r3361: ../../chip/g/usb_hw.h:29:14: error: tentative array definition assumed to have ec-utils-0.0.1-r3361: one element [-Werror] ec-utils-0.0.1-r3361: static int (*usb_iface_request[]) (struct usb_setup_packet *req); ec-utils-0.0.1-r3361: ^ ec-utils-0.0.1-r3361: 1 error generated. But it's willing to forgive if this is extern. It should be extern anyway. BRANCH=none BUG=chromium:658436 TEST=reef pre-cq passes (building ec-utils) Change-Id: I5b5f8eb8dcdc3340487b118b30469c8cee73e182 Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/401421 Reviewed-by: Shawn N <shawnn@chromium.org>
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef __CROS_EC_USB_HW_H
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#define __CROS_EC_USB_HW_H
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/* Helpers for endpoint declaration */
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#define _EP_HANDLER2(num, suffix) CONCAT3(ep_, num, suffix)
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#define _EP_TX_HANDLER(num) _EP_HANDLER2(num, _tx)
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#define _EP_RX_HANDLER(num) _EP_HANDLER2(num, _rx)
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#define _EP_RESET_HANDLER(num) _EP_HANDLER2(num, _rst)
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#define USB_DECLARE_EP(num, tx_handler, rx_handler, rst_handler) \
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void _EP_TX_HANDLER(num)(void) \
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__attribute__ ((alias(STRINGIFY(tx_handler)))); \
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void _EP_RX_HANDLER(num)(void) \
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__attribute__ ((alias(STRINGIFY(rx_handler)))); \
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void _EP_RESET_HANDLER(num)(void) \
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__attribute__ ((alias(STRINGIFY(rst_handler))))
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/* Endpoint callbacks */
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extern void (*usb_ep_tx[]) (void);
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extern void (*usb_ep_rx[]) (void);
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extern void (*usb_ep_reset[]) (void);
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struct usb_setup_packet;
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/* EP0 Interface handler callbacks */
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extern int (*usb_iface_request[]) (struct usb_setup_packet *req);
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/*
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* Declare any interface-specific control request handlers. These Setup packets
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* arrive on the control endpoint (EP0), but are handled by the interface code.
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* The callback must prepare the EP0 IN or OUT FIFOs and return the number of
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* bytes placed in the IN FIFO. A negative return value will STALL the response
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* (and thus indicate error to the host).
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*/
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#define _IFACE_HANDLER(num) CONCAT3(iface_, num, _request)
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#define USB_DECLARE_IFACE(num, handler) \
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int _IFACE_HANDLER(num)(struct usb_setup_packet *req) \
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__attribute__ ((alias(STRINGIFY(handler))))
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/*
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* The interface handler can call this to put <len> bytes into the EP0 TX FIFO
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* (zero is acceptable). It returns (int)<len> on success, -1 if <len> is too
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* large.
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*/
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int load_in_fifo(const void *source, uint32_t len);
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/*
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* The interface handler can call this to enable the EP0 RX FIFO to receive
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* <len> bytes of data for a Control Write request. This is not needed to
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* prepare for the Status phase of a Control Read. It will return (int)<len> on
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* success, -1 if <len> is too large.
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*/
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int accept_out_fifo(uint32_t len);
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#endif /* __CROS_EC_USB_HW_H */
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