lkml.org 
[lkml]   [2015]   [Mar]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] eeprom: at24: Add support for large EEPROMs connected to SMBus adapters

> just to give you an update: I do have some code, but it is a bit messy,
> and it doesn't work well for ds2482 (the chip behind it still hangs up
> if I access it in parallel through i2c-dev). On top of that, it causes
> pretty significant slow-downs when accessing other devices on the same
> bus at the same time. Not surprising, I guess, since it expands the scope
> of the bus lock significantly.

Just to get a better idea: Did you try taking the adapter_lock before
the two SMBus command which needed to be concatenated (and use
smbus_xfer directly)?

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2015-03-27 09:21    [W:0.136 / U:0.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site