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Message-ID: <1482839203.9552.157.camel@linux.intel.com>
Date:   Tue, 27 Dec 2016 13:46:43 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Vadim Pasternak <vadimp@...lanox.com>, dvhart@...radead.org
Cc:     platform-driver-x86@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, jiri@...nulli.us
Subject: Re: [patch v1 1/1] platform/x86: mlx-platform: mlxcpld-hotplug
 driver style fixes

On Wed, 2016-12-14 at 12:05 +0000, Vadim Pasternak wrote:
> The patch contains several styling fixes:
>   - Make names of hotplug devices shorter;
>   - Change register offset assignment to defines;
>   - Add defines for the all event masks;
>   - Use PLATFORM_DEVID_NONE instead of -1;

Pushed to testing.

For standalone patch there is no need to have a separate cover letter.
Use space after --- delimiter (the one followed by change statistics).

> 
> Signed-off-by: Vadim Pasternak <vadimp@...lanox.com>
> ---
>  drivers/platform/x86/mlx-platform.c | 84 ++++++++++++++++++++++----
> -----------
>  1 file changed, 50 insertions(+), 34 deletions(-)
> 
> diff --git a/drivers/platform/x86/mlx-platform.c
> b/drivers/platform/x86/mlx-platform.c
> index 97b4c3a..04e1f2b 100644
> --- a/drivers/platform/x86/mlx-platform.c
> +++ b/drivers/platform/x86/mlx-platform.c
> @@ -45,6 +45,10 @@
>  /* LPC bus IO offsets */
>  #define MLXPLAT_CPLD_LPC_I2C_BASE_ADRR		0x2000
>  #define MLXPLAT_CPLD_LPC_REG_BASE_ADRR		0x2500
> +#define MLXPLAT_CPLD_LPC_REG_AGGR_ADRR		0x253a
> +#define MLXPLAT_CPLD_LPC_REG_PSU_ADRR		0x2558
> +#define MLXPLAT_CPLD_LPC_REG_PWR_ADRR		0x2564
> +#define MLXPLAT_CPLD_LPC_REG_FAN_ADRR		0x2588
>  #define MLXPLAT_CPLD_LPC_IO_RANGE		0x100
>  #define MLXPLAT_CPLD_LPC_I2C_CH1_OFF		0xdb
>  #define MLXPLAT_CPLD_LPC_I2C_CH2_OFF		0xda
> @@ -56,6 +60,17 @@
>  				  MLXPLAT_CPLD_LPC_I2C_CH2_OFF) | \
>  				  MLXPLAT_CPLD_LPC_PIO_OFFSET)
>  
> +/* Masks for aggregation, psu, pwr and fan event in CPLD related
> registers. */
> +#define MLXPLAT_CPLD_AGGR_PSU_MASK_DEF	0x08
> +#define MLXPLAT_CPLD_AGGR_PWR_MASK_DEF	0x08
> +#define MLXPLAT_CPLD_AGGR_FAN_MASK_DEF	0x40
> +#define MLXPLAT_CPLD_AGGR_MASK_DEF	(MLXPLAT_CPLD_AGGR_PSU_MASK
> _DEF | \
> +					 MLXPLAT_CPLD_AGGR_FAN_MASK_D
> EF)
> +#define MLXPLAT_CPLD_AGGR_MASK_MSN21XX	0x04
> +#define MLXPLAT_CPLD_PSU_MASK		GENMASK(1, 0)
> +#define MLXPLAT_CPLD_PWR_MASK		GENMASK(1, 0)
> +#define MLXPLAT_CPLD_FAN_MASK		GENMASK(3, 0)
> +
>  /* Start channel numbers */
>  #define MLXPLAT_CPLD_CH1			2
>  #define MLXPLAT_CPLD_CH2			10
> @@ -123,7 +138,7 @@ static struct i2c_mux_reg_platform_data
> mlxplat_mux_data[] = {
>  };
>  
>  /* Platform hotplug devices */
> -static struct mlxcpld_hotplug_device mlxplat_mlxcpld_hotplug_psu[] =
> {
> +static struct mlxcpld_hotplug_device mlxplat_mlxcpld_psu[] = {
>  	{
>  		.brdinfo = { I2C_BOARD_INFO("24c02", 0x51) },
>  		.bus = 10,
> @@ -134,7 +149,7 @@ static struct mlxcpld_hotplug_device
> mlxplat_mlxcpld_hotplug_psu[] = {
>  	},
>  };
>  
> -static struct mlxcpld_hotplug_device mlxplat_mlxcpld_hotplug_pwr[] =
> {
> +static struct mlxcpld_hotplug_device mlxplat_mlxcpld_pwr[] = {
>  	{
>  		.brdinfo = { I2C_BOARD_INFO("dps460", 0x59) },
>  		.bus = 10,
> @@ -145,7 +160,7 @@ static struct mlxcpld_hotplug_device
> mlxplat_mlxcpld_hotplug_pwr[] = {
>  	},
>  };
>  
> -static struct mlxcpld_hotplug_device mlxplat_mlxcpld_hotplug_fan[] =
> {
> +static struct mlxcpld_hotplug_device mlxplat_mlxcpld_fan[] = {
>  	{
>  		.brdinfo = { I2C_BOARD_INFO("24c32", 0x50) },
>  		.bus = 11,
> @@ -166,38 +181,38 @@ static struct mlxcpld_hotplug_device
> mlxplat_mlxcpld_hotplug_fan[] = {
>  
>  /* Platform hotplug default data */
>  static
> -struct mlxcpld_hotplug_platform_data
> mlxplat_mlxcpld_hotplug_default_data = {
> -	.top_aggr_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x3a),
> -	.top_aggr_mask = 0x48,
> -	.top_aggr_psu_mask = 0x08,
> -	.psu_reg_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x58),
> -	.psu_mask = 0x03,
> -	.psu_count = ARRAY_SIZE(mlxplat_mlxcpld_hotplug_psu),
> -	.psu = mlxplat_mlxcpld_hotplug_psu,
> -	.top_aggr_pwr_mask = 0x08,
> -	.pwr_reg_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x64),
> -	.pwr_mask = 0x03,
> -	.pwr_count = ARRAY_SIZE(mlxplat_mlxcpld_hotplug_pwr),
> -	.pwr = mlxplat_mlxcpld_hotplug_pwr,
> -	.top_aggr_fan_mask = 0x40,
> -	.fan_reg_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x88),
> -	.fan_mask = 0x0f,
> -	.fan_count = ARRAY_SIZE(mlxplat_mlxcpld_hotplug_fan),
> -	.fan = mlxplat_mlxcpld_hotplug_fan,
> +struct mlxcpld_hotplug_platform_data mlxplat_mlxcpld_default_data = {
> +	.top_aggr_offset = MLXPLAT_CPLD_LPC_REG_AGGR_ADRR,
> +	.top_aggr_mask = MLXPLAT_CPLD_AGGR_MASK_DEF,
> +	.top_aggr_psu_mask = MLXPLAT_CPLD_AGGR_PSU_MASK_DEF,
> +	.psu_reg_offset = MLXPLAT_CPLD_LPC_REG_PSU_ADRR,
> +	.psu_mask = MLXPLAT_CPLD_PSU_MASK,
> +	.psu_count = ARRAY_SIZE(mlxplat_mlxcpld_psu),
> +	.psu = mlxplat_mlxcpld_psu,
> +	.top_aggr_pwr_mask = MLXPLAT_CPLD_AGGR_PWR_MASK_DEF,
> +	.pwr_reg_offset = MLXPLAT_CPLD_LPC_REG_PWR_ADRR,
> +	.pwr_mask = MLXPLAT_CPLD_PWR_MASK,
> +	.pwr_count = ARRAY_SIZE(mlxplat_mlxcpld_pwr),
> +	.pwr = mlxplat_mlxcpld_pwr,
> +	.top_aggr_fan_mask = MLXPLAT_CPLD_AGGR_FAN_MASK_DEF,
> +	.fan_reg_offset = MLXPLAT_CPLD_LPC_REG_FAN_ADRR,
> +	.fan_mask = MLXPLAT_CPLD_FAN_MASK,
> +	.fan_count = ARRAY_SIZE(mlxplat_mlxcpld_fan),
> +	.fan = mlxplat_mlxcpld_fan,
>  };
>  
>  /* Platform hotplug MSN21xx system family data */
>  static
> -struct mlxcpld_hotplug_platform_data
> mlxplat_mlxcpld_hotplug_msn21xx_data = {
> -	.top_aggr_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x3a),
> -	.top_aggr_mask = 0x04,
> -	.top_aggr_pwr_mask = 0x04,
> -	.pwr_reg_offset = (MLXPLAT_CPLD_LPC_REG_BASE_ADRR | 0x64),
> -	.pwr_mask = 0x03,
> -	.pwr_count = ARRAY_SIZE(mlxplat_mlxcpld_hotplug_pwr),
> +struct mlxcpld_hotplug_platform_data mlxplat_mlxcpld_msn21xx_data = {
> +	.top_aggr_offset = MLXPLAT_CPLD_LPC_REG_AGGR_ADRR,
> +	.top_aggr_mask = MLXPLAT_CPLD_AGGR_MASK_MSN21XX,
> +	.top_aggr_pwr_mask = MLXPLAT_CPLD_AGGR_MASK_MSN21XX,
> +	.pwr_reg_offset = MLXPLAT_CPLD_LPC_REG_PWR_ADRR,
> +	.pwr_mask = MLXPLAT_CPLD_PWR_MASK,
> +	.pwr_count = ARRAY_SIZE(mlxplat_mlxcpld_pwr),
>  };
>  
> -static struct resource mlxplat_mlxcpld_hotplug_resources[] = {
> +static struct resource mlxplat_mlxcpld_resources[] = {
>  	[0] = DEFINE_RES_IRQ_NAMED(17, "mlxcpld-hotplug"),
>  };
>  
> @@ -213,7 +228,7 @@ static int __init
> mlxplat_dmi_default_matched(const struct dmi_system_id *dmi)
>  		mlxplat_mux_data[i].n_values =
>  				ARRAY_SIZE(mlxplat_default_channels[i
> ]);
>  	}
> -	mlxplat_hotplug = &mlxplat_mlxcpld_hotplug_default_data;
> +	mlxplat_hotplug = &mlxplat_mlxcpld_default_data;
>  
>  	return 1;
>  };
> @@ -227,7 +242,7 @@ static int __init
> mlxplat_dmi_msn21xx_matched(const struct dmi_system_id *dmi)
>  		mlxplat_mux_data[i].n_values =
>  				ARRAY_SIZE(mlxplat_msn21xx_channels);
>  	}
> -	mlxplat_hotplug = &mlxplat_mlxcpld_hotplug_msn21xx_data;
> +	mlxplat_hotplug = &mlxplat_mlxcpld_msn21xx_data;
>  
>  	return 1;
>  };
> @@ -314,9 +329,10 @@ static int __init mlxplat_init(void)
>  	}
>  
>  	priv->pdev_hotplug = platform_device_register_resndata(
> -				&mlxplat_dev->dev, "mlxcpld-hotplug", 
> -1,
> -				mlxplat_mlxcpld_hotplug_resources,
> -				ARRAY_SIZE(mlxplat_mlxcpld_hotplug_re
> sources),
> +				&mlxplat_dev->dev, "mlxcpld-hotplug",
> +				PLATFORM_DEVID_NONE,
> +				mlxplat_mlxcpld_resources,
> +				ARRAY_SIZE(mlxplat_mlxcpld_resources)
> ,
>  				mlxplat_hotplug,
> sizeof(*mlxplat_hotplug));
>  	if (IS_ERR(priv->pdev_hotplug)) {
>  		err = PTR_ERR(priv->pdev_hotplug);

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy

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