RE: [Bug fix] octeon-i2c driver updates

2017-12-05 Thread Zhang, Sean C. (NSB - CN/Hangzhou)
ernel.org Subject: Re: [Bug fix] octeon-i2c driver updates On 12/04/2017 10:44 PM, Zhang, Sean C. (NSB - CN/Hangzhou) wrote: > Hi Jan, > > Thanks for your comments, I get your point for the second point (retry of > START after recovery). > > Hi David, > For the issue as

Re: [Bug fix] octeon-i2c driver updates

2017-12-05 Thread David Daney
mailto:jan.glau...@caviumnetworks.com] Sent: Friday, December 01, 2017 6:07 PM To: Zhang, Sean C. (NSB - CN/Hangzhou) Cc: david.da...@cavium.com; w...@the-dreams.de; linux-...@vger.kernel.org; linux-kernel@vger.kernel.org Subject: Re: [Bug fix] octeon-i2c driver updates Hi Sean, as you try to solve two different i

RE: [Bug fix] octeon-i2c driver updates

2017-12-04 Thread Zhang, Sean C. (NSB - CN/Hangzhou)
nt: Friday, December 01, 2017 6:07 PM To: Zhang, Sean C. (NSB - CN/Hangzhou) Cc: david.da...@cavium.com; w...@the-dreams.de; linux-...@vger.kernel.org; linux-kernel@vger.kernel.org Subject: Re: [Bug fix] octeon-i2c driver updates Hi Sean, as you try to solve two different issues I suggest that you

Re: [Bug fix] octeon-i2c driver updates

2017-12-01 Thread Jan Glauber
rror from this condition. > > BR, > Sean Zhang > > -Original Message- > From: Jan Glauber [mailto:jan.glau...@caviumnetworks.com] > Sent: Friday, November 24, 2017 9:10 PM > To: Zhang, Sean C. (NSB - CN/Hangzhou) > Cc: david.da...@cavium.com; w...@the-dr

RE: [Bug fix] octeon-i2c driver updates

2017-11-29 Thread Zhang, Sean C. (NSB - CN/Hangzhou)
kernel.org Subject: RE: [Bug fix] octeon-i2c driver updates Hi Jan, There are two points in this patch. Point 1. As you see, replaced octeon_i2c_init_lowlevel() by recover bus status if TWSI controller is not IDLE. Please take a scenario like this: when system soft reset without I2C slave reset,

RE: [Bug fix] octeon-i2c driver updates

2017-11-27 Thread Zhang, Sean C. (NSB - CN/Hangzhou)
-...@vger.kernel.org; linux-kernel@vger.kernel.org Subject: Re: [Bug fix] octeon-i2c driver updates On Thu, Nov 23, 2017 at 11:42:36AM +, Zhang, Sean C. (NSB - CN/Hangzhou) wrote: > Dear Maintainer, > > For octeon TWSI controller, I found below two cases, maybe can be improved. Hi Sean,

Re: [Bug fix] octeon-i2c driver updates

2017-11-24 Thread Jan Glauber
On Thu, Nov 23, 2017 at 11:42:36AM +, Zhang, Sean C. (NSB - CN/Hangzhou) wrote: > Dear Maintainer, > > For octeon TWSI controller, I found below two cases, maybe can be improved. Hi Sean, form the description below this looks like you're fixing a bug. Can you elaborate on when the I2C bus d

[Bug fix] octeon-i2c driver updates

2017-11-23 Thread Zhang, Sean C. (NSB - CN/Hangzhou)
Dear Maintainer, For octeon TWSI controller, I found below two cases, maybe can be improved. >From 09d9f0ce658d7f6a50d1af352dde619c29bc8bcf Mon Sep 17 00:00:00 2001 From: hgt463 Date: Thu, 23 Nov 2017 18:46:09 +0800 Subject: [PATCH] Driver updates: - In the case of I2C bus dead lock occurred d