1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 5f2a03acb5d9..4646a9f531ad 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -39,7 +39,6 @@
 #include <linux/major.h>
 #include <linux/module.h>
 #include <linux/mm.h>
-#include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
@@ -124,8 +123,6 @@ struct sci_port {
 	struct timer_list		rx_timer;
 	unsigned int			rx_timeout;
 #endif
-
-	struct notifier_block		freq_transition;
 };
 
 #define SCI_NPORTS CONFIG_SERIAL_SH_SCI_NR_UARTS
@@ -1666,32 +1663,6 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 	return ret;
 }
 
-/*
- * Here we define a transition notifier so that we can update all of our
- * ports' baud rate when the peripheral clock changes.
- */
-static int sci_notifier(struct notifier_block *self,
-			unsigned long phase, void *p)
-{
-	struct sci_port *sci_port;
-	unsigned long flags;
-	unsigned int i;
-
-	sci_port = container_of(self, struct sci_port, freq_transition);
-
-	if (phase == CPUFREQ_POSTCHANGE) {
-		struct uart_port *port = &sci_port->port;
-
-		spin_lock_irqsave(&port->lock, flags);
-		for (i = 0; i < SCI_NUM_CLKS; i++)
-			sci_port->clk_rates[i] =
-				clk_get_rate(sci_port->clks[i]);
-		spin_unlock_irqrestore(&port->lock, flags);
-	}
-
-	return NOTIFY_OK;
-}
-
 static const struct sci_irq_desc {
 	const char	*desc;
 	irq_handler_t	handler;
@@ -2811,9 +2782,6 @@ static int sci_remove(struct platform_device *dev)
 {
 	struct sci_port *port = platform_get_drvdata(dev);
 
-	cpufreq_unregister_notifier(&port->freq_transition,
-				    CPUFREQ_TRANSITION_NOTIFIER);
-
 	uart_remove_one_port(&sci_uart_driver, &port->port);
 
 	sci_cleanup_single(port);
@@ -2965,16 +2933,6 @@ static int sci_probe(struct platform_device *dev)
 	if (ret)
 		return ret;
 
-	sp->freq_transition.notifier_call = sci_notifier;
-
-	ret = cpufreq_register_notifier(&sp->freq_transition,
-					CPUFREQ_TRANSITION_NOTIFIER);
-	if (unlikely(ret < 0)) {
-		uart_remove_one_port(&sci_uart_driver, &sp->port);
-		sci_cleanup_single(sp);
-		return ret;
-	}
-
 #ifdef CONFIG_SH_STANDARD_BIOS
 	sh_bios_gdb_detach();
 #endif