Re: [RFC PATCH] i2c-designware-core: disable adapter before fill dev structure

2013-06-13 Thread Christian Ruppert
Hello, As promised, I gave this one some over-night stress testing and I can confirm what I said previously: - The patch does _not_ solve the interrupt loop lockups on its own. - The patch works well in conjunction with http://patchwork.ozlabs.org/patch/249622/ (which in turn depends on

Re: [RFC PATCH] i2c-designware-core: disable adapter before fill dev structure

2013-06-13 Thread Andy Shevchenko
On Thu, 2013-06-13 at 10:16 +0200, Christian Ruppert wrote: As promised, I gave this one some over-night stress testing and I can confirm what I said previously: - The patch does _not_ solve the interrupt loop lockups on its own. So, it just means my assumptions about what is happening

Re: [RFC PATCH] i2c-designware-core: disable adapter before fill dev structure

2013-06-13 Thread Christian Ruppert
On Thu, Jun 13, 2013 at 11:33:56AM +0300, Andy Shevchenko wrote: On Thu, 2013-06-13 at 10:16 +0200, Christian Ruppert wrote: As promised, I gave this one some over-night stress testing and I can confirm what I said previously: - The patch does _not_ solve the interrupt loop lockups on

Re: [PATCH v2] i2c: core: make it possible to match a pure device tree driver

2013-06-13 Thread Linus Walleij
On Wed, Jun 12, 2013 at 3:20 PM, Grant Likely grant.lik...@linaro.org wrote: On Fri, 7 Jun 2013 23:32:42 +0200, Wolfram Sang w...@the-dreams.de wrote: I guess your solution is the least intrusive one. Still, it could happen that of_match_table is scanned three times (by driver core, i2c layer,

[PATCH] i2c-pxa: prepare clock before use

2013-06-13 Thread Daniel Drake
On OLPC XO-1.75 (MMP2), a WARN_ON() was occurring during boot since the clock being enabled by i2c-pxa had not been prepared. Use clk_prepare_enable() to ensure that the prepare operation has taken place. Signed-off-by: Daniel Drake d...@laptop.org --- drivers/i2c/busses/i2c-pxa.c | 2 +- 1