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https://github.com/AsahiLinux/u-boot
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b953ec2bca
Define LOG_CATEGORY for all uclass to allow filtering with log command. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com
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* Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
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*/
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#define LOG_CATEGORY UCLASS_USB_GADGET_GENERIC
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#include <common.h>
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#include <dm.h>
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#include <dm/device-internal.h>
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#include <linux/usb/gadget.h>
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#if CONFIG_IS_ENABLED(DM_USB_GADGET)
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#define MAX_UDC_DEVICES 4
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static struct udevice *dev_array[MAX_UDC_DEVICES];
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int usb_gadget_initialize(int index)
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{
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int ret;
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struct udevice *dev = NULL;
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if (index < 0 || index >= ARRAY_SIZE(dev_array))
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return -EINVAL;
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if (dev_array[index])
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return 0;
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ret = uclass_get_device_by_seq(UCLASS_USB_GADGET_GENERIC, index, &dev);
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if (!dev || ret) {
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ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev);
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if (!dev || ret) {
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pr_err("No USB device found\n");
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return -ENODEV;
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}
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}
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dev_array[index] = dev;
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return 0;
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}
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int usb_gadget_release(int index)
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{
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#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
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int ret;
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if (index < 0 || index >= ARRAY_SIZE(dev_array))
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return -EINVAL;
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ret = device_remove(dev_array[index], DM_REMOVE_NORMAL);
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if (!ret)
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dev_array[index] = NULL;
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return ret;
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#else
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return -ENOSYS;
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#endif
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}
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int usb_gadget_handle_interrupts(int index)
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{
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if (index < 0 || index >= ARRAY_SIZE(dev_array))
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return -EINVAL;
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return dm_usb_gadget_handle_interrupts(dev_array[index]);
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}
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#endif
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UCLASS_DRIVER(usb_gadget_generic) = {
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.id = UCLASS_USB_GADGET_GENERIC,
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.name = "usb",
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.flags = DM_UC_FLAG_SEQ_ALIAS,
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};
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