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6ce6ae7c17
HWRNG_MINOR and RNG_MISCDEV_MINOR are duplicate definitions, use unified HWRNG_MINOR instead and moved into miscdevice.h ANSLCD_MINOR and LCD_MINOR are duplicate definitions, use unified LCD_MINOR instead and moved into miscdevice.h MISCDEV_MINOR is renamed to PXA3XX_GCU_MINOR and moved into miscdevice.h Other definitions are just moved without any change. Link: https://lore.kernel.org/lkml/20200120221323.GJ15860@mit.edu/t/ Suggested-by: Arnd Bergmann <arnd@arndb.de> Build-tested-by: Willy TARREAU <wtarreau@haproxy.com> Build-tested-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@gmail.com> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://lore.kernel.org/r/20200311071654.335-2-zhenzhong.duan@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NWBUTTON_H
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#define __NWBUTTON_H
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/*
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* NetWinder Button Driver-
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* Copyright (C) Alex Holden <alex@linuxhacker.org> 1998, 1999.
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*/
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#ifdef __NWBUTTON_C /* Actually compiling the driver itself */
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/* Various defines: */
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#define NUM_PRESSES_REBOOT 2 /* How many presses to activate shutdown */
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#define BUTTON_DELAY 30 /* How many jiffies for sequence to end */
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#define VERSION "0.3" /* Driver version number */
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/* Structure definitions: */
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struct button_callback {
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void (*callback) (void);
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int count;
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};
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/* Function prototypes: */
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static void button_sequence_finished(struct timer_list *unused);
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static irqreturn_t button_handler (int irq, void *dev_id);
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int button_init (void);
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int button_add_callback (void (*callback) (void), int count);
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int button_del_callback (void (*callback) (void));
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static void button_consume_callbacks (int bpcount);
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#else /* Not compiling the driver itself */
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extern int button_add_callback (void (*callback) (void), int count);
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extern int button_del_callback (void (*callback) (void));
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#endif /* __NWBUTTON_C */
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#endif /* __NWBUTTON_H */
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