serial: lantiq: Rename fpiclk to freqclk

fpiclk is platform specific, freqclk is more generic.
Signed-off-by: NSongjun Wu <songjun.wu@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/lantiq.c

@@ -105,7 +105,7 @@ static DEFINE_SPINLOCK(ltq_asc_lock);
 struct ltq_uart_port {
 	struct uart_port	port;
 	/* clock used to derive divider */
-	struct clk		*fpiclk;
+	struct clk		*freqclk;
 	/* clock gating of the ASC core */
 	struct clk		*clk;
 	unsigned int		tx_irq;
@@ -309,7 +309,7 @@ lqasc_startup(struct uart_port *port)
 
 	if (!IS_ERR(ltq_port->clk))
 		clk_enable(ltq_port->clk);
-	port->uartclk = clk_get_rate(ltq_port->fpiclk);
+	port->uartclk = clk_get_rate(ltq_port->freqclk);
 
 	asc_update_bits(ASCCLC_DISS | ASCCLC_RMCMASK, (1 << ASCCLC_RMCOFFSET),
 		port->membase + LTQ_ASC_CLC);
@@ -632,7 +632,7 @@ lqasc_console_setup(struct console *co, char *options)
 	if (!IS_ERR(ltq_port->clk))
 		clk_enable(ltq_port->clk);
 
-	port->uartclk = clk_get_rate(ltq_port->fpiclk);
+	port->uartclk = clk_get_rate(ltq_port->freqclk);
 
 	if (options)
 		uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -744,8 +744,8 @@ lqasc_probe(struct platform_device *pdev)
 	port->irq	= irqres[0].start;
 	port->mapbase	= mmres->start;
 
-	ltq_port->fpiclk = clk_get_fpi();
-	if (IS_ERR(ltq_port->fpiclk)) {
+	ltq_port->freqclk = clk_get_fpi();
+	if (IS_ERR(ltq_port->freqclk)) {
 		pr_err("failed to get fpi clk\n");
 		return -ENOENT;
 	}