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From: 남영민 <youngmin.nam@samsung.com>
To: gregkh@linuxfoundation.org, jslaby@suse.com
Cc: linux-serial@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Subject: [PATCH] serial: samsung: add clock controls in s3c24xx_serial_resume_noirq()
Date: Tue, 27 Sep 2016 22:43:54 +0900	[thread overview]
Message-ID: <000d01d218c5$3069cdf0$913d69d0$@samsung.com> (raw)

This patch adds clock controls in s3c24xx_serial_resume_noirq()
to set S3C64XX_UINTM register.

Signed-off-by: Youngmin Nam <youngmin.nam@samsung.com>
---
 drivers/tty/serial/samsung.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index ae2095a..97f7b3b 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1921,6 +1921,7 @@ static int s3c24xx_serial_resume(struct device *dev)
 static int s3c24xx_serial_resume_noirq(struct device *dev)
 {
 	struct uart_port *port = s3c24xx_dev_to_port(dev);
+	struct s3c24xx_uart_port *ourport = to_ourport(port);
 
 	if (port) {
 		/* restore IRQ mask */
@@ -1930,7 +1931,9 @@ static int s3c24xx_serial_resume_noirq(struct device *dev)
 				uintm &= ~S3C64XX_UINTM_TXD_MSK;
 			if (rx_enabled(port))
 				uintm &= ~S3C64XX_UINTM_RXD_MSK;
+			clk_prepare_enable(ourport->clk);
 			wr_regl(port, S3C64XX_UINTM, uintm);
+			clk_disable_unprepare(ourport->clk);
 		}
 	}
 
-- 
2.8.1

             reply	other threads:[~2016-09-27 13:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-27 13:43 남영민 [this message]
2016-09-30 10:34 ` [PATCH] serial: samsung: add clock controls in s3c24xx_serial_resume_noirq() Krzysztof Kozlowski
2016-10-04  5:04   ` 남영민
2017-01-26 13:40     ` Tobias Jakobi
2017-02-01  9:45       ` 남영민

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