From: Shinya Kuribayashi Date: Fri, 16 Nov 2012 01:50:03 +0000 (+0900) Subject: Revert "sh-sci / PM: Avoid deadlocking runtime PM" X-Git-Tag: upstream/snapshot3+hdmi~6134^2~54 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cee31c52df6263555c11cf51ee6ea30637e0cfd1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git Revert "sh-sci / PM: Avoid deadlocking runtime PM" This reverts commit 048be431e4 (sh-sci / PM: Avoid deadlocking runtime PM, from Rafael J. Wysocki , 2012-03-09). In order to get console PM work properly, we should implement uart_ops ->pm() operation, rather than sprinkle band-ading runtime PM calls in the driver. Signed-off-by: Shinya Kuribayashi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 6ee5900..3d27f49 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1753,8 +1753,6 @@ static int sci_startup(struct uart_port *port) dev_dbg(port->dev, "%s(%d)\n", __func__, port->line); - pm_runtime_put_noidle(port->dev); - sci_port_enable(s); ret = sci_request_irq(s); @@ -1782,8 +1780,6 @@ static void sci_shutdown(struct uart_port *port) sci_free_irq(s); sci_port_disable(s); - - pm_runtime_get_noresume(port->dev); } static unsigned int sci_scbrr_calc(unsigned int algo_id, unsigned int bps, @@ -2122,7 +2118,6 @@ static int __devinit sci_init_single(struct platform_device *dev, sci_init_gpios(sci_port); pm_runtime_irq_safe(&dev->dev); - pm_runtime_get_noresume(&dev->dev); pm_runtime_enable(&dev->dev); }