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https://github.com/torvalds/linux
05 April 2024, 19:05:47 UTC
Revision 0a91330b2af9f71ceeeed483f92774182b58f6d9 authored by Yash Shah on 19 February 2020, 03:49:07 UTC, committed by Palmer Dabbelt on 05 March 2020, 20:27:10 UTC 
riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
 
Add the ability to reboot the HiFive Unleashed board via GPIO.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
1 parent d2047ab
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Tip revision: 0a91330b2af9f71ceeeed483f92774182b58f6d9 authored by Yash Shah on 19 February 2020, 03:49:07 UTC
riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
Tip revision: 0a91330
net_utils.c 
// SPDX-License-Identifier: GPL-2.0
#include <linux/string.h>
#include <linux/if_ether.h>
#include <linux/ctype.h>
#include <linux/kernel.h>

bool mac_pton(const char *s, u8 *mac)
{
	int i;

	/* XX:XX:XX:XX:XX:XX */
	if (strlen(s) < 3 * ETH_ALEN - 1)
		return false;

	/* Don't dirty result unless string is valid MAC. */
	for (i = 0; i < ETH_ALEN; i++) {
		if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))
			return false;
		if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
			return false;
	}
	for (i = 0; i < ETH_ALEN; i++) {
		mac[i] = (hex_to_bin(s[i * 3]) << 4) | hex_to_bin(s[i * 3 + 1]);
	}
	return true;
}
EXPORT_SYMBOL(mac_pton);
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