[PATCH 06/35] mfd: ab8500-core: Sysfs chip id modification
Arnd Bergmann
arnd at arndb.de
Tue Feb 19 17:04:44 EST 2013
On Friday 15 February 2013, Lee Jones wrote:
> struct ab8500 *ab8500;
> + int chip_id = -EINVAL;
>
> ab8500 = dev_get_drvdata(dev);
> - return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
> + if(ab8500) {
> + chip_id = ab8500->chip_id;
> + if((is_ab8505(ab8500) || is_ab9540(ab8500)) && ab8500->version != 0xFF)
> + chip_id = (ab8500->version << 8) | chip_id;
> + }
> + return sprintf(buf, "%#x\n", chip_id);
> }
What's the use of printing "ffffffea" for unknown versions here?
Arnd
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