From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/tty/serial/sunsab.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/tty/serial/sunsab.c b/kernel/drivers/tty/serial/sunsab.c
index 72131b5..bab551f 100644
--- a/kernel/drivers/tty/serial/sunsab.c
+++ b/kernel/drivers/tty/serial/sunsab.c
@@ -40,10 +40,6 @@
#include <asm/prom.h>
#include <asm/setup.h>
-#if defined(CONFIG_SERIAL_SUNSAB_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
#include <linux/serial_core.h>
#include <linux/sunserialcore.h>
@@ -890,7 +886,7 @@
* though...
*/
if (up->port.type != PORT_SUNSAB)
- return -1;
+ return -EINVAL;
printk("Console: ttyS%d (SAB82532)\n",
(sunsab_reg.minor - 64) + con->index);
@@ -985,6 +981,7 @@
up->port.fifosize = SAB82532_XMIT_FIFO_SIZE;
up->port.iotype = UPIO_MEM;
+ up->port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_SUNSAB_CONSOLE);
writeb(SAB82532_IPC_IC_ACT_LOW, &up->regs->w.ipc);
--
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