From: Colin Cross <ccross@android.com>
Date: Wed, 14 Mar 2012 23:29:47 +0000 (-0700)
Subject: ARM: fiq_debugger: add support for reboot commands
X-Git-Tag: firefly_0821_release~2958^2~341
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=61b0d5a3c159d2ad9d9acdb48c68fcab5d0046f0;p=firefly-linux-kernel-4.4.55.git

ARM: fiq_debugger: add support for reboot commands

Pass the rest of the reboot command to kernel_restart to allow
reboot bootloader to work from FIQ debugger.

Change-Id: I4e7b366a69268dda17ffcf4c84f2373d15cb1271
Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/arch/arm/common/fiq_debugger.c b/arch/arm/common/fiq_debugger.c
index 0e33748edd60..3f75495fab02 100644
--- a/arch/arm/common/fiq_debugger.c
+++ b/arch/arm/common/fiq_debugger.c
@@ -592,8 +592,17 @@ static bool debug_fiq_exec(struct fiq_debugger_state *state,
 		dump_allregs(state, regs);
 	} else if (!strcmp(cmd, "bt")) {
 		dump_stacktrace(state, (struct pt_regs *)regs, 100, svc_sp);
-	} else if (!strcmp(cmd, "reboot")) {
-		kernel_restart(NULL);
+	} else if (!strncmp(cmd, "reboot", 6)) {
+		cmd += 6;
+		while (*cmd == ' ')
+			cmd++;
+		if (*cmd) {
+			char tmp_cmd[32];
+			strlcpy(tmp_cmd, cmd, sizeof(tmp_cmd));
+			kernel_restart(tmp_cmd);
+		} else {
+			kernel_restart(NULL);
+		}
 	} else if (!strcmp(cmd, "irqs")) {
 		dump_irqs(state);
 	} else if (!strcmp(cmd, "kmsg")) {