Re: Sluggish AT91 I2C driver causes SMBus timeouts

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 12 Oct 2017 13:35:17 +0200
Peter Rosin <peda@xxxxxxxxxx> wrote:

> Hi!
> 
> I have encountered an "interesting" bug. It silently corrupts data
> and is generally nasty...
> 
> On an I2C bus, driven by the at91 driver and DMA (an Atmel
> sama5d31 chip), I have an 256 byte eeprom (NXP SE97BTP). I'm using
> Linux v4.13.

If your force the transfer to PIO does it behave ? Does the controller in
fact need to siwtch to PIO for SMBUS ?

Alan



[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux