The `clkin_rate' member of `struct sifive_serial_port' now duplicates
`uartclk' from nested `struct uart_port', so use `uartclk' throughout
and remove `clkin_rate'.
Signed-off-by: Maciej W. Rozycki <[email protected]>
---
drivers/tty/serial/sifive.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
linux-serial-sifive-uartclk.diff
Index: linux-macro/drivers/tty/serial/sifive.c
===================================================================
--- linux-macro.orig/drivers/tty/serial/sifive.c
+++ linux-macro/drivers/tty/serial/sifive.c
@@ -148,7 +148,6 @@
* @port: struct uart_port embedded in this struct
* @dev: struct device *
* @ier: shadowed copy of the interrupt enable register
- * @clkin_rate: input clock to the UART IP block.
* @baud_rate: UART serial line rate (e.g., 115200 baud)
* @clk: reference to this device's clock
* @clk_notifier: clock rate change notifier for upstream clock changes
@@ -159,7 +158,6 @@ struct sifive_serial_port {
struct uart_port port;
struct device *dev;
unsigned char ier;
- unsigned long clkin_rate;
unsigned long baud_rate;
struct clk *clk;
struct notifier_block clk_notifier;
@@ -463,7 +461,7 @@ static void __ssp_update_div(struct sifi
{
u16 div;
- div = DIV_ROUND_UP(ssp->clkin_rate, ssp->baud_rate) - 1;
+ div = DIV_ROUND_UP(ssp->port.uartclk, ssp->baud_rate) - 1;
__ssp_writel(div, SIFIVE_SERIAL_DIV_OFFS, ssp);
}
@@ -648,8 +646,8 @@ static int sifive_serial_clk_notifier(st
udelay(DIV_ROUND_UP(12 * 1000 * 1000, ssp->baud_rate));
}
- if (event == POST_RATE_CHANGE && ssp->clkin_rate != cnd->new_rate) {
- ssp->clkin_rate = cnd->new_rate;
+ if (event == POST_RATE_CHANGE && ssp->port.uartclk != cnd->new_rate) {
+ ssp->port.uartclk = cnd->new_rate;
__ssp_update_div(ssp);
}
@@ -678,7 +676,8 @@ static void sifive_serial_set_termios(st
__ssp_set_stop_bits(ssp, nstop);
/* Set line rate */
- rate = uart_get_baud_rate(port, termios, old, 0, ssp->clkin_rate / 16);
+ rate = uart_get_baud_rate(port, termios, old, 0,
+ ssp->port.uartclk / 16);
__ssp_update_baud_rate(ssp, rate);
spin_lock_irqsave(&ssp->port.lock, flags);
@@ -996,9 +995,8 @@ static int sifive_serial_probe(struct pl
}
/* Set up clock divider */
- ssp->clkin_rate = clk_get_rate(ssp->clk);
+ ssp->port.uartclk = clk_get_rate(ssp->clk);
ssp->baud_rate = SIFIVE_DEFAULT_BAUD_RATE;
- ssp->port.uartclk = ssp->clkin_rate;
__ssp_update_div(ssp);
platform_set_drvdata(pdev, ssp);