linux-kernel - [PATCH v2 1/1] i2c: drivers: Use generic definitions for bus frequencies (part 2)

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Date:   Wed, 31 Mar 2021 13:46:22 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Wolfram Sang <wsa@...nel.org>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Khalil Blaiech <kblaiech@...dia.com>,
        Loic Poulain <loic.poulain@...aro.org>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Robert Foss <robert.foss@...aro.org>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: [PATCH v2 1/1] i2c: drivers: Use generic definitions for bus frequencies (part 2)

Since we have generic definitions for bus frequencies, let's use them.

Cc: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Acked-by: Khalil Blaiech <kblaiech@...dia.com>
---
v2: added tag (Khalil), converted one missed place in DesignWare driver
 drivers/i2c/busses/i2c-designware-master.c |  2 +-
 drivers/i2c/busses/i2c-mlxbf.c             | 14 ++++----------
 drivers/i2c/busses/i2c-qcom-cci.c          |  4 ++--
 3 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index dd27b9dbe931..3f4d2124e0fc 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -78,7 +78,7 @@ static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev)
 	 * difference is the timing parameter values since the registers are
 	 * the same.
 	 */
-	if (t->bus_freq_hz == 1000000) {
+	if (t->bus_freq_hz == I2C_MAX_FAST_MODE_PLUS_FREQ) {
 		/*
 		 * Check are Fast Mode Plus parameters available. Calculate
 		 * SCL timing parameters for Fast Mode Plus if not set.
diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c
index 2fb0532d8a16..80ab831df349 100644
--- a/drivers/i2c/busses/i2c-mlxbf.c
+++ b/drivers/i2c/busses/i2c-mlxbf.c
@@ -172,12 +172,6 @@
 #define MLXBF_I2C_SMBUS_THIGH_MAX_TBUF            0x14
 #define MLXBF_I2C_SMBUS_SCL_LOW_TIMEOUT           0x18
 
-enum {
-	MLXBF_I2C_TIMING_100KHZ = 100000,
-	MLXBF_I2C_TIMING_400KHZ = 400000,
-	MLXBF_I2C_TIMING_1000KHZ = 1000000,
-};
-
 /*
  * Defines SMBus operating frequency and core clock frequency.
  * According to ADB files, default values are compliant to 100KHz SMBus
@@ -1202,7 +1196,7 @@ static int mlxbf_i2c_init_timings(struct platform_device *pdev,
 
 	ret = device_property_read_u32(dev, "clock-frequency", &config_khz);
 	if (ret < 0)
-		config_khz = MLXBF_I2C_TIMING_100KHZ;
+		config_khz = I2C_MAX_STANDARD_MODE_FREQ;
 
 	switch (config_khz) {
 	default:
@@ -1210,15 +1204,15 @@ static int mlxbf_i2c_init_timings(struct platform_device *pdev,
 		pr_warn("Illegal value %d: defaulting to 100 KHz\n",
 			config_khz);
 		fallthrough;
-	case MLXBF_I2C_TIMING_100KHZ:
+	case I2C_MAX_STANDARD_MODE_FREQ:
 		config_idx = MLXBF_I2C_TIMING_CONFIG_100KHZ;
 		break;
 
-	case MLXBF_I2C_TIMING_400KHZ:
+	case I2C_MAX_FAST_MODE_FREQ:
 		config_idx = MLXBF_I2C_TIMING_CONFIG_400KHZ;
 		break;
 
-	case MLXBF_I2C_TIMING_1000KHZ:
+	case I2C_MAX_FAST_MODE_PLUS_FREQ:
 		config_idx = MLXBF_I2C_TIMING_CONFIG_1000KHZ;
 		break;
 	}
diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c
index 1c259b5188de..c63d5545fc2a 100644
--- a/drivers/i2c/busses/i2c-qcom-cci.c
+++ b/drivers/i2c/busses/i2c-qcom-cci.c
@@ -569,9 +569,9 @@ static int cci_probe(struct platform_device *pdev)
 		cci->master[idx].mode = I2C_MODE_STANDARD;
 		ret = of_property_read_u32(child, "clock-frequency", &val);
 		if (!ret) {
-			if (val == 400000)
+			if (val == I2C_MAX_FAST_MODE_FREQ)
 				cci->master[idx].mode = I2C_MODE_FAST;
-			else if (val == 1000000)
+			else if (val == I2C_MAX_FAST_MODE_PLUS_FREQ)
 				cci->master[idx].mode = I2C_MODE_FAST_PLUS;
 		}
 
-- 
2.30.2