hc
2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad
kernel/include/linux/i2c-algo-bit.h
....@@ -1,29 +1,16 @@
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-/* ------------------------------------------------------------------------- */
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-/* i2c-algo-bit.h i2c driver algorithms for bit-shift adapters */
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-/* ------------------------------------------------------------------------- */
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-/* Copyright (C) 1995-99 Simon G. Vogl
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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., 51 Franklin Street, Fifth Floor, Boston,
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- MA 02110-1301 USA. */
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-/* ------------------------------------------------------------------------- */
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-
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-/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
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- Frodo Looijaard <frodol@dds.nl> */
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+/* SPDX-License-Identifier: GPL-2.0+ */
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+/*
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+ * i2c-algo-bit.h: i2c driver algorithms for bit-shift adapters
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+ *
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+ * Copyright (C) 1995-99 Simon G. Vogl
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+ * With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
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+ * Frodo Looijaard <frodol@dds.nl>
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+ */
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2510 #ifndef _LINUX_I2C_ALGO_BIT_H
2611 #define _LINUX_I2C_ALGO_BIT_H
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+
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+#include <linux/i2c.h>
2714
2815 /* --- Defines for bit-adapters --------------------------------------- */
2916 /*
....@@ -46,6 +33,7 @@
4633 minimum 5 us for standard-mode I2C and SMBus,
4734 maximum 50 us for SMBus */
4835 int timeout; /* in jiffies */
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+ bool can_do_atomic; /* callbacks don't sleep, we can be atomic */
4937 };
5038
5139 int i2c_bit_add_bus(struct i2c_adapter *);