/* * Copyright (C) 2012 ARM Ltd. * Author: Marc Zyngier * * Adapted for ARM and earlycon: * Copyright (C) 2014 Linaro Ltd. * Author: Rob Herring * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include #include #include #ifdef CONFIG_THUMB2_KERNEL #define SEMIHOST_SWI "0xab" #else #define SEMIHOST_SWI "0x123456" #endif /* * Semihosting-based debug console */ static void smh_putc(struct uart_port *port, int c) { #ifdef CONFIG_ARM64 asm volatile("mov x1, %0\n" "mov x0, #3\n" "hlt 0xf000\n" : : "r" (&c) : "x0", "x1", "memory"); #else asm volatile("mov r1, %0\n" "mov r0, #3\n" "svc " SEMIHOST_SWI "\n" : : "r" (&c) : "r0", "r1", "memory"); #endif } static void smh_write(struct console *con, const char *s, unsigned n) { struct earlycon_device *dev = con->data; uart_console_write(&dev->port, s, n, smh_putc); } static int __init early_smh_setup(struct earlycon_device *device, const char *opt) { device->con->write = smh_write; return 0; } EARLYCON_DECLARE(smh, early_smh_setup); nds-private-remove&id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>refslogtreecommitdiff
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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
commit424414947da3dd5cb0d60e4f299f7c51e472ae77 (patch)
treea4067480c4256c80ae8f8438a3e4bb88e32050bc /net/mac80211/debugfs_sta.h
parenta3683e0c1410c5c8136a7a93b0336ce88d3b893a (diff)
parentd07830db1bdb254e4b50d366010b219286b8c937 (diff)
Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes: USB-serial fixes for v4.10-rc7 One more device ID for pl2303. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'net/mac80211/debugfs_sta.h')