Thread (12 messages) 12 messages, 4 authors, 2015-02-06

[PATCH v2 1/2] mtd: nand: pxa3xx: Fix PIO FIFO draining

From: Maxime Ripard <hidden>
Date: 2015-02-06 20:35:29
Also in: lkml, stable

On Fri, Feb 06, 2015 at 11:38:59AM -0800, Brian Norris wrote:
quoted
quoted
An alternative would be to move this part into the read/write_buf
functions, but that's a lot of work...
Yeah, indeed. This also has other benefits. As we discussed on IRC, it
would allow to support raw writes (i.e. ECC off).
OK. This is probably a good work item for later. But let's get back on
point.

I'd like to see version 2 with the following:

1. For sure the jiffies loop needs to be rewritten

2. Optionally, the RDDREQ bit should be checked less often, per the
   datasheet and Boris's comments

Maxime, would that be OK?
Yep. I actually worked on these two issues just today.

It looks like I blew my boards' bootloader in the process, so it might
take so time.
Then maybe I can get this into 3.20. Maybe not in my primary -rc1
pullreq, if we haven't had enough time to look at and test v2, but ASAP.
Only after than am I likely to take Rob's ARM64 cleanup.
Sounds good, thanks!

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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