Re: [PATCH 2/5] input/cma3000_d0x: Check silicon version
From: Ricardo Ribalda Delgado
Date: Tue Oct 18 2011 - 08:07:56 EST
Hello Jonathan
>> + if (rev != CMA3000_REV) {
>> + error = -EINVAL;
>> + pr_err("CMA3000 Accelerometer: Unknown Revision %x\n", rev);
> warning perhaps rather than error?
IMHO it should be an error. If the revision is different, either you
are in front of a unknown chip or the chip is going to behave
differently and lead into an unstable system. Better be safe than
sorry.
> Patch could do with a statement of why anyone would care about this.
>> error = request_threaded_irq(irq, NULL, cma3000_thread_irq,
>> pdata->irqflags | IRQF_ONESHOT,
>> "cma3000_d0x", data);
You are right... not so useful information :). Maybe as part of a
sysfs file, but definately not as as a printk
>
>
--
Ricardo Ribalda
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