Hi,
I've tested this driver on a 2.6.38 kernel with several i2c clients
(temp-sensor, audio-codec, touchscreen-controller, w1-bridge,
io-expanders) and works without problems. SoC: at91sam9g45
Because of the 2.6.38 kernel, I had to skip "[PATCH v7 2/5] Replace
clk_lookup.con_id with clk_lookup.dev_id entries for twi clk" and used
instead: at91_clock_associate("twi0_clk", &at91sam9g45_twi0_device.dev,
"twi_clk");
Best Regards
Hubert
On 2011-11-23 16:35, Nikolaus Voss wrote:
> The old driver has two main deficencies:
> i) No repeated start (Sr) condiction is possible, this makes it unusable
> e.g. for most SMBus transfers.
> ii) I/O was done with polling/busy waiting what caused over-/underruns
> even at light system loads and clock speeds.
>
> The new driver overcomes these deficencies and in addition allows for
> more than one TWI interface.
>
Tested-by: Hubert Feurstein <h.feurstein@xxxxxxxxx>
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