linux-kernel - [PATCH 5/5] i2c: designware: Switch over to i2c_freq_mode

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Date:   Tue, 30 Mar 2021 22:19:26 +0800
From:   Yicong Yang <yangyicong@...ilicon.com>
To:     <wsa@...nel.org>, <andriy.shevchenko@...ux.intel.com>,
        <linux-i2c@...r.kernel.org>, <Sergey.Semin@...kalelectronics.ru>,
        <linux-kernel@...r.kernel.org>
CC:     <digetx@...il.com>, <treding@...dia.com>,
        <jarkko.nikula@...ux.intel.com>, <rmk+kernel@...linux.org.uk>,
        <song.bao.hua@...ilicon.com>, <john.garry@...wei.com>,
        <mika.westerberg@...ux.intel.com>, <yangyicong@...ilicon.com>,
        <prime.zeng@...wei.com>, <linuxarm@...wei.com>
Subject: [PATCH 5/5] i2c: designware: Switch over to i2c_freq_mode_string()

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Use generic i2c_freq_mode_string() helper to print chosen bus speed.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
---
 drivers/i2c/busses/i2c-designware-master.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index dd27b9d..b64c4c8 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -35,10 +35,10 @@ static void i2c_dw_configure_fifo_master(struct dw_i2c_dev *dev)
 
 static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev)
 {
-	const char *mode_str, *fp_str = "";
 	u32 comp_param1;
 	u32 sda_falling_time, scl_falling_time;
 	struct i2c_timings *t = &dev->timings;
+	const char *fp_str = "";
 	u32 ic_clk;
 	int ret;
 
@@ -153,22 +153,10 @@ static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev)
 
 	ret = i2c_dw_set_sda_hold(dev);
 	if (ret)
-		goto out;
-
-	switch (dev->master_cfg & DW_IC_CON_SPEED_MASK) {
-	case DW_IC_CON_SPEED_STD:
-		mode_str = "Standard Mode";
-		break;
-	case DW_IC_CON_SPEED_HIGH:
-		mode_str = "High Speed Mode";
-		break;
-	default:
-		mode_str = "Fast Mode";
-	}
-	dev_dbg(dev->dev, "Bus speed: %s%s\n", mode_str, fp_str);
+		return ret;
 
-out:
-	return ret;
+	dev_dbg(dev->dev, "Bus speed: %s\n", i2c_freq_mode_string(t->bus_freq_hz));
+	return 0;
 }
 
 /**
-- 
2.8.1