[PATCH 02/11] twl6030: add debug info

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sat Oct 6 05:30:52 EDT 2012


On 00:33 Sat 06 Oct     , vj wrote:
> 
> Signed-off-by: vj <vicencb at gmail.com>
> ---
>  drivers/mfd/twl6030.c | 20 ++++++++++++++++++++
>  include/mfd/twl6030.h |  8 ++++++++
>  2 files changed, 28 insertions(+)
> 
> diff --git a/drivers/mfd/twl6030.c b/drivers/mfd/twl6030.c
> index 01728fd..87ee232 100644
> --- a/drivers/mfd/twl6030.c
> +++ b/drivers/mfd/twl6030.c
> @@ -39,6 +39,26 @@ static int twl_probe(struct device_d *dev)
>  
>  	devfs_create(&(twl_dev->core.cdev));
>  
> +	if (IS_ENABLED(DEBUG)) {
CONFIG_DEBUG instead?


> +		u8 i, jtag_rev, eprom_rev;
> +		int r;
> +		u64 dieid;
add one empty line
> +		r = twl6030_reg_read(twl_dev, TWL6030_JTAG_JTAGVERNUM,
> +			&jtag_rev);
> +		r |= twl6030_reg_read(twl_dev, TWL6030_JTAG_EPROM_REV,
> +			&eprom_rev);
> +		for (i = 0; i < 8; i++)
> +			r |= twl6030_reg_read(twl_dev, TWL6030_DIEID_0+i,
> +				((u8 *)(&dieid))+i);
> +		if (r)
> +			dev_dbg(dev, "TWL6030 Error reading ID\n");
> +		else
> +			dev_dbg(dev, "TWL6030 JTAG REV: 0x%02X, "
> +				"EPROM REV: 0x%02X, "
> +				"DIE ID: 0x%016llX\n",
> +				(unsigned)jtag_rev, (unsigned)eprom_rev, dieid);
> +	}
> +
>  	return 0;
>  }
>  
> diff --git a/include/mfd/twl6030.h b/include/mfd/twl6030.h
> index f1278d4..bb4f773 100644
> --- a/include/mfd/twl6030.h
> +++ b/include/mfd/twl6030.h
> @@ -371,6 +371,14 @@ enum twl6030_reg {
>  	/* JTAG */
>  	TWL6030_JTAG_JTAGVERNUM = 0x0287,
>  	TWL6030_JTAG_EPROM_REV = 0x02DF,
> +	TWL6030_DIEID_0 = 0x02C0,
> +	TWL6030_DIEID_1 = 0x02C1,
> +	TWL6030_DIEID_2 = 0x02C2,
> +	TWL6030_DIEID_3 = 0x02C3,
> +	TWL6030_DIEID_4 = 0x02C4,
> +	TWL6030_DIEID_5 = 0x02C5,
> +	TWL6030_DIEID_6 = 0x02C6,
> +	TWL6030_DIEID_7 = 0x02C7,
>  	/* GPADC Trimming */
>  	TWL6030_GPADC_TRIM1 = 0x02CD,
>  	TWL6030_GPADC_TRIM2 = 0x02CE,
> -- 
> 1.7.12.2
> 
> 
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