VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Joel Stanley <joel@jms.id.au> 2020-12-27 19:44:46 +1030 committer: Stafford Horne <shorne@gmail.com> 2021-01-01 15:00:08 +0900 commit: 131172a4a8ce3fccfd4a9f0f8b3c0d0e59222f1d parent: 472ab9ee15c6a28adbac65a543af58461b49a947
Commit Summary:
openrisc: restart: Call common handlers before hanging
Diffstat:
1 file changed, 8 insertions, 3 deletions
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 3c98728cce24..181448f74316 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -34,6 +34,7 @@
 #include <linux/init_task.h>
 #include <linux/mqueue.h>
 #include <linux/fs.h>
+#include <linux/reboot.h>
 
 #include <linux/uaccess.h>
 #include <asm/io.h>
@@ -49,10 +50,16 @@
  */
 struct thread_info *current_thread_info_set[NR_CPUS] = { &init_thread_info, };
 
-void machine_restart(void)
+void machine_restart(char *cmd)
 {
-	printk(KERN_INFO "*** MACHINE RESTART ***\n");
-	__asm__("l.nop 1");
+	do_kernel_restart(cmd);
+
+	/* Give a grace period for failure to restart of 1s */
+	mdelay(1000);
+
+	/* Whoops - the platform was unable to reboot. Tell the user! */
+	pr_emerg("Reboot failed -- System halted\n");
+	while (1);
 }
 
 /*