From: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Backport:
- Upstream-Status: Pending.
[https://bitbucket.org/andy-shev/linux/commits/beaec3129e338fd4b4538b6a11afdec64e025185?at=master]
Since the driver has been switched to use runtime PM, remove legacy PM code.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
drivers/tty/serial/8250/8250_port.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_port.c
b/drivers/tty/serial/8250/8250_port.c
index 880fb4c..f98559b 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -513,16 +513,12 @@ EXPORT_SYMBOL_GPL(serial8250_clear_and_reinit_fifos);
void serial8250_rpm_get(struct uart_8250_port *p)
{
- if (!(p->capabilities & UART_CAP_RPM))
- return;
pm_runtime_get_sync(p->port.dev);
}
EXPORT_SYMBOL_GPL(serial8250_rpm_get);
void serial8250_rpm_put(struct uart_8250_port *p)
{
- if (!(p->capabilities & UART_CAP_RPM))
- return;
pm_runtime_mark_last_busy(p->port.dev);
pm_runtime_put_autosuspend(p->port.dev);
}
@@ -537,9 +533,6 @@ void serial8250_rpm_get_tx(struct uart_8250_port *p)
{
unsigned char rpm_active;
- if (!(p->capabilities & UART_CAP_RPM))
- return;
-
rpm_active = xchg(&p->rpm_tx_active, 1);
if (rpm_active)
return;
@@ -556,9 +549,6 @@ void serial8250_rpm_put_tx(struct uart_8250_port *p)
{
unsigned char rpm_active;
- if (!(p->capabilities & UART_CAP_RPM))
- return;
-
rpm_active = xchg(&p->rpm_tx_active, 0);
if (!rpm_active)
return;
@@ -1508,8 +1498,6 @@ void serial8250_tx_chars(struct uart_8250_port *up)
* HW can go idle. So we get here once again with empty FIFO and disable
* the interrupt and RPM in __stop_tx()
*/
- if (uart_circ_empty(xmit) && !(up->capabilities & UART_CAP_RPM))
- __stop_tx(up);
}
EXPORT_SYMBOL_GPL(serial8250_tx_chars);
--
1.9.1
--
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