2021-03-22 16:56:14

by Andy Shevchenko

[permalink] [raw]
Subject: [PATCH v1 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 <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/i2c/busses/i2c-mlxbf.c | 14 ++++----------
drivers/i2c/busses/i2c-qcom-cci.c | 4 ++--
2 files changed, 6 insertions(+), 12 deletions(-)

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


2021-03-22 23:07:43

by Khalil Blaiech

[permalink] [raw]
Subject: RE: [PATCH v1 1/1] i2c: drivers: Use generic definitions for bus frequencies (part 2)

Thanks.
Acked-by: Khalil Blaiech <[email protected]>

> -----Original Message-----
> From: Andy Shevchenko <[email protected]>
> Sent: Monday, March 22, 2021 12:54 PM
> To: Wolfram Sang <[email protected]>; Khalil Blaiech <[email protected]>;
> Loic Poulain <[email protected]>; [email protected]; linux-
> [email protected]; [email protected]
> Cc: Robert Foss <[email protected]>; Andy Shevchenko
> <[email protected]>; Wolfram Sang <wsa@the-
> dreams.de>
> Subject: [PATCH v1 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 <[email protected]>
> Signed-off-by: Andy Shevchenko <[email protected]>
> ---
> drivers/i2c/busses/i2c-mlxbf.c | 14 ++++----------
> drivers/i2c/busses/i2c-qcom-cci.c | 4 ++--
> 2 files changed, 6 insertions(+), 12 deletions(-)
>
> 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