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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Juergen Beisert <jbe@pengutronix.de>
Subject: [PATCH 12/17] serial: stm: Use clk support
Date: Thu, 20 Jun 2013 08:54:16 +0200	[thread overview]
Message-ID: <1371711261-10039-13-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1371711261-10039-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/serial/stm-serial.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/stm-serial.c b/drivers/serial/stm-serial.c
index a1bb733..0d7484f 100644
--- a/drivers/serial/stm-serial.c
+++ b/drivers/serial/stm-serial.c
@@ -29,6 +29,8 @@
 #include <gpio.h>
 #include <io.h>
 #include <malloc.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 #include <mach/imx-regs.h>
 #include <mach/clock.h>
 
@@ -56,6 +58,7 @@ struct stm_priv {
 	int baudrate;
 	struct notifier_block notify;
 	void __iomem *base;
+	struct clk *clk;
 };
 
 static void stm_serial_putc(struct console_device *cdev, char c)
@@ -107,7 +110,7 @@ static int stm_serial_setbaudrate(struct console_device *cdev, int new_baudrate)
 	writel(0, priv->base + UARTDBGCR);
 
 	/* Calculate and set baudrate */
-	quot = (imx_get_xclk() * 4) / new_baudrate;
+	quot = (clk_get_rate(priv->clk) * 4) / new_baudrate;
 	writel(quot & 0x3f, priv->base + UARTDBGFBRD);
 	writel(quot >> 6, priv->base + UARTDBGIBRD);
 
@@ -160,6 +163,9 @@ static int stm_serial_probe(struct device_d *dev)
 
 	dev->priv = priv;
 	priv->base = dev_request_mem_region(dev, 0);
+	priv->clk = clk_get(dev, NULL);
+	if (IS_ERR(priv->clk))
+		return PTR_ERR(priv->clk);
 
 	stm_serial_init_port(priv);
 	stm_serial_setbaudrate(cdev, CONFIG_BAUDRATE);
-- 
1.8.3.1


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  parent reply	other threads:[~2013-06-20  6:55 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-20  6:54 [PATCH] convert MXS to common clk Sascha Hauer
2013-06-20  6:54 ` [PATCH 01/17] clk: divider: Add onebased divider support Sascha Hauer
2013-06-20  6:54 ` [PATCH 02/17] clk: gate: Add inverted gate support Sascha Hauer
2013-06-20  6:54 ` [PATCH 03/17] clk: add prototype for clk_is_enabled Sascha Hauer
2013-06-20  6:54 ` [PATCH 04/17] ARM: MXS: Add MXS specific clk types Sascha Hauer
2013-06-21 12:14   ` Jürgen Beisert
2013-06-20  6:54 ` [PATCH 05/17] ARM: MXS: add clk drivers Sascha Hauer
2013-06-20  6:54 ` [PATCH 06/17] ARM: MXS: remove board specific clock setups Sascha Hauer
2013-06-20  6:54 ` [PATCH 07/17] mci: mxs: Use dev_* Sascha Hauer
2013-06-20  6:54 ` [PATCH 08/17] net: fec: Use clk API unconditionally Sascha Hauer
2013-06-20  6:54 ` [PATCH 09/17] mci: mxs: use common clk API Sascha Hauer
2013-06-20  6:54 ` [PATCH 10/17] mtd: gpmi-nand: switch to clk support Sascha Hauer
2013-06-20  6:54 ` [PATCH 11/17] serial: auart: Use " Sascha Hauer
2013-06-20  6:54 ` Sascha Hauer [this message]
2013-06-20  6:54 ` [PATCH 13/17] spi: mxs: " Sascha Hauer
2013-06-20  6:54 ` [PATCH 14/17] ARM: MXS: octotp: switch to " Sascha Hauer
2013-06-20  6:54 ` [PATCH 15/17] ARM: MXS: remove imx_enable_enetclk Sascha Hauer
2013-06-20  6:54 ` [PATCH 16/17] video: stm: switch to clk support Sascha Hauer
2013-06-20  6:54 ` [PATCH 17/17] ARM: MXS: remove old clock support Sascha Hauer

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