change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/input/misc/uinput.c
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@@ -1,21 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  User level driver support for input subsystem
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  *
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  * Heavily based on evdev.c by Vojtech Pavlik
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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  *
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  * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
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  *
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@@ -402,7 +389,7 @@
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 	newdev->state = UIST_NEW_DEVICE;
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 	file->private_data = newdev;
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-	nonseekable_open(inode, file);
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+	stream_open(inode, file);
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 	return 0;
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 }
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@@ -706,13 +693,14 @@
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 static __poll_t uinput_poll(struct file *file, poll_table *wait)
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 {
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 	struct uinput_device *udev = file->private_data;
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+	__poll_t mask = EPOLLOUT | EPOLLWRNORM; /* uinput is always writable */
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 	poll_wait(file, &udev->waitq, wait);
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 	if (udev->head != udev->tail)
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-		return EPOLLIN | EPOLLRDNORM;
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+		mask |= EPOLLIN | EPOLLRDNORM;
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-	return 0;
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+	return mask;
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 }
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 static int uinput_release(struct inode *inode, struct file *file)