RE: [PATCH v2 1/1] i2c:OMAP3:Errata workaround for spurious RDR event

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

 



On Thu, 2 Jul 2009, Paul Walmsley wrote:

> That looks correct on 2430, 3430 where the I2C controller has a FIFO.  
> But for 2420, dev->fifo_size == 0, which causes num_bytes = 1, which will 
> attempt a single read from the I2C controller.  (This assumes that the bug 
> is present on 2420 - do you know if the erratum applies there also?)

Thinking about this further, this shouldn't apply to 2420 since it is 
using the FIFO-less rev 2 I2C, and therefore won't have the RDR bit.
So, I agree with Ulrik: no patch seems necessary for this erratum.

> 
> 
> - Paul
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 


- Paul
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux