linux-kernel - [PATCH 2/2] tty: serial: msm: Disable pclk when port is closed

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Message-Id: <1428498794-20833-2-git-send-email-gpramod@codeaurora.org>
Date:	Wed,  8 Apr 2015 18:43:14 +0530
From:	Pramod Gurav <gpramod@...eaurora.org>
To:	linux-arm-msm@...r.kernel.org, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, bryanh@...eaurora.org,
	sboyd@...eaurora.org, jslaby@...e.cz,
	Pramod Gurav <gpramod@...eaurora.org>
Subject: [PATCH 2/2] tty: serial: msm: Disable pclk when port is closed

Disable the pclk when tty port is closed by user space.

Signed-off-by: Pramod Gurav <gpramod@...eaurora.org>
---
 drivers/tty/serial/msm_serial.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 4c1e9ea..f38565c 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -523,6 +523,7 @@ static void msm_shutdown(struct uart_port *port)
 	msm_write(port, 0, UART_IMR); /* disable interrupts */
 
 	clk_disable_unprepare(msm_port->clk);
+	clk_disable_unprepare(msm_port->pclk);
 
 	free_irq(port->irq, port);
 }
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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