add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iio/iio_core.h
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@@ -1,10 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /* The industrial I/O core function defs.
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  *
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  * Copyright (c) 2008 Jonathan Cameron
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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  *
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  * These definitions are meant for use only within the IIO core, not individual
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  * drivers.
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@@ -45,14 +42,14 @@
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 __poll_t iio_buffer_poll(struct file *filp,
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 			     struct poll_table_struct *wait);
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-ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
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-				      size_t n, loff_t *f_ps);
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+ssize_t iio_buffer_read_outer(struct file *filp, char __user *buf,
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+			      size_t n, loff_t *f_ps);
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 int iio_buffer_alloc_sysfs_and_mask(struct iio_dev *indio_dev);
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 void iio_buffer_free_sysfs_and_mask(struct iio_dev *indio_dev);
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 #define iio_buffer_poll_addr (&iio_buffer_poll)
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-#define iio_buffer_read_first_n_outer_addr (&iio_buffer_read_first_n_outer)
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+#define iio_buffer_read_outer_addr (&iio_buffer_read_outer)
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 void iio_disable_all_buffers(struct iio_dev *indio_dev);
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 void iio_buffer_wakeup_poll(struct iio_dev *indio_dev);
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@@ -60,7 +57,7 @@
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 #else
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 #define iio_buffer_poll_addr NULL
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-#define iio_buffer_read_first_n_outer_addr NULL
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+#define iio_buffer_read_outer_addr NULL
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 static inline int iio_buffer_alloc_sysfs_and_mask(struct iio_dev *indio_dev)
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 {