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Subject[PATCHv2 2/5] driver: serial: omap: prevent runtime PM for "no_console_suspend"
Date
The driver manages "no_console_suspend" by preventing runtime PM
during the suspend path, which forces the console UART to stay awake.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
---
drivers/tty/serial/omap-serial.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 08332f3..640b14e 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1582,7 +1582,7 @@ static int serial_omap_runtime_suspend(struct device *dev)
struct uart_omap_port *up = dev_get_drvdata(dev);
struct omap_uart_port_info *pdata = dev->platform_data;

- if (!up)
+ if (!up || (!console_suspend_enabled && uart_console(&up->port)))
return -EINVAL;

if (!pdata)
@@ -1614,6 +1614,9 @@ static int serial_omap_runtime_resume(struct device *dev)

int loss_cnt = serial_omap_get_context_loss_count(up);

+ if (!console_suspend_enabled && uart_console(&up->port))
+ return -EINVAL;
+
if (loss_cnt < 0) {
dev_err(dev, "serial_omap_get_context_loss_count failed : %d\n",
loss_cnt);
--
1.7.1


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