m68k/atari/nvram.c

1 // SPDX-License-Identifier: GPL-2.0+
3  * CMOS/NV-RAM driver for Atari. Adapted from drivers/char/nvram.c.
4  * Copyright (C) 1997 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
26  * purpose memory in the NVRAM - that is to say, they all add the
32  * rtc_lock held. Due to the index-port/data-port design of the RTC, we
105 		return -EIO;  in atari_nvram_read()
107 	for (i = *ppos; count > 0 && i < NVRAM_BYTES; --count, ++i, ++p)  in atari_nvram_read()
112 	return p - buf;  in atari_nvram_read()
123 		return -EIO;  in atari_nvram_write()
125 	for (i = *ppos; count > 0 && i < NVRAM_BYTES; --count, ++i, ++p)  in atari_nvram_write()
131 	return p - buf;  in atari_nvram_write()
192 	for (i = ARRAY_SIZE(boot_prefs) - 1; i >= 0; --i)  in atari_nvram_proc_read()
202 	seq_puts(seq, "SCSI host ID     : ");  in atari_nvram_proc_read()
211 	seq_puts(seq, "OS language      : ");  in atari_nvram_proc_read()
216 	seq_puts(seq, "Keyboard language: ");  in atari_nvram_proc_read()
262 		return -ENODEV;  in atari_nvram_init()
266 		return -ENOMEM;  in atari_nvram_init()