Messages in this thread | | | Date | Tue, 25 Oct 2011 10:10:05 -0500 | From | Kyle Manna <> | Subject | Re: [PATCH v2 1/6] mfd: TPS65910: Handle non-existent devices |
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On 10/25/2011 02:14 AM, Mark Brown wrote: > On Mon, Oct 24, 2011 at 12:05:59PM -0500, Kyle Manna wrote: >> Attempt to read the first register of the device, if there is no >> device return -ENODEV > Can you check for a known value in any of the registers? Unfortunately on this chip there aren't any identification or constant test registers. The only register close is the JTAGVERNUM_REG and that's will change across silicon revisions.
- Kyle
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