From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shinya Kuribayashi Date: Wed, 07 Nov 2012 06:58:06 +0000 Subject: [PATCH 01/10] Revert "sh-sci / PM: Avoid deadlocking runtime PM" Message-Id: <509A067E.1040202@renesas.com> List-Id: References: <509A0658.1010503@renesas.com> In-Reply-To: <509A0658.1010503@renesas.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org 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 --- drivers/tty/serial/sh-sci.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 9be296c..526ad04 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1752,8 +1752,6 @@ 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); @@ -1781,8 +1779,6 @@ 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, @@ -2121,7 +2117,6 @@ 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); } -- 1.7.12.4