diff options
Diffstat (limited to 'drivers/tty/hvc/hvc_rtas.c')
| -rw-r--r-- | drivers/tty/hvc/hvc_rtas.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/tty/hvc/hvc_rtas.c b/drivers/tty/hvc/hvc_rtas.c index 08c87920b74a..a0b90275b37f 100644 --- a/drivers/tty/hvc/hvc_rtas.c +++ b/drivers/tty/hvc/hvc_rtas.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IBM RTAS driver interface to hvc_console.c * @@ -11,20 +12,6 @@ * * inspired by drivers/char/hvc_console.c * written by Anton Blanchard and Paul Mackerras - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/console.h> @@ -39,15 +26,15 @@ #include "hvc_console.h" #define hvc_rtas_cookie 0x67781e15 -struct hvc_struct *hvc_rtas_dev; +static struct hvc_struct *hvc_rtas_dev; static int rtascons_put_char_token = RTAS_UNKNOWN_SERVICE; static int rtascons_get_char_token = RTAS_UNKNOWN_SERVICE; -static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, - int count) +static ssize_t hvc_rtas_write_console(uint32_t vtermno, const u8 *buf, + size_t count) { - int i; + size_t i; for (i = 0; i < count; i++) { if (rtas_call(rtascons_put_char_token, 1, 1, NULL, buf[i])) @@ -57,9 +44,10 @@ static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, return i; } -static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count) +static ssize_t hvc_rtas_read_console(uint32_t vtermno, u8 *buf, size_t count) { - int i, c; + size_t i; + int c; for (i = 0; i < count; i++) { if (rtas_call(rtascons_get_char_token, 0, 2, &c)) |