Merge tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - use strnlen() to improve iss_console_write()

 - remove unused function setup_profiling_timer()

 - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment

* tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa: remove unused setup_profiling_timer function
  xtensa: correct CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment
  tty: xtensa/iss: use strnlen to improve iss_console_write

arch/xtensa/include/asm/platform.h

@@ -33,7 +33,7 @@ extern void platform_setup (char **);
 extern void platform_idle (void);
 
 /*
- * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
+ * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE_CCOUNT)
  */
 extern void platform_calibrate_ccount (void);
 

arch/xtensa/kernel/smp.c

@@ -21,7 +21,6 @@
 #include <linux/irq.h>
 #include <linux/kdebug.h>
 #include <linux/module.h>
-#include <linux/profile.h>
 #include <linux/sched/mm.h>
 #include <linux/sched/hotplug.h>
 #include <linux/sched/task_stack.h>
@@ -459,12 +458,6 @@ void show_ipi_list(struct seq_file *p, int prec)
 	}
 }
 
-int setup_profiling_timer(unsigned int multiplier)
-{
-	pr_debug("setup_profiling_timer %d\n", multiplier);
-	return 0;
-}
-
 /* TLB flush functions */
 
 struct flush_data {

arch/xtensa/kernel/time.c

@@ -23,7 +23,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <linux/profile.h>
 #include <linux/delay.h>
 #include <linux/irqdomain.h>
 #include <linux/sched_clock.h>

arch/xtensa/platforms/iss/console.c

@@ -166,8 +166,9 @@ late_initcall(rs_init);
 
 static void iss_console_write(struct console *co, const char *s, unsigned count)
 {
-	if (s && *s != 0)
-		simc_write(1, s, min(count, strlen(s)));
+	count = s ? strnlen(s, count) : 0;
+	if (count)
+		simc_write(1, s, count);
 }
 
 static struct tty_driver* iss_console_device(struct console *c, int *index)