From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: Re: Regression in next with "mfd: twl6040: The chip does not support bulk access" Date: Fri, 23 Sep 2016 13:46:41 -0700 Message-ID: References: <20160922180718.kmttyt26t56fa3kp@atomide.com> <139a8c7b-8cfe-fa21-634a-4551511f0cea@ti.com> <20160923142634.zkaqxmiif22kws2e@atomide.com> <06e0406c-3ff0-a069-a48a-0b1b82872f98@oracle.com> <663a8a97-f01f-ce10-b0c6-c1a5ca0f11d2@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <663a8a97-f01f-ce10-b0c6-c1a5ca0f11d2@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Peter Ujfalusi , Tony Lindgren Cc: linux-omap@vger.kernel.org, Lee Jones , linux-arm-kernel@lists.infradead.org, Santosh Shilimkar List-Id: linux-omap@vger.kernel.org On 9/23/2016 12:05 PM, Peter Ujfalusi wrote: > On 09/23/2016 06:24 PM, Santosh Shilimkar wrote: >> On 9/23/2016 7:26 AM, Tony Lindgren wrote: >>> * Peter Ujfalusi [160923 00:21]: >>>> On 09/22/16 21:07, Tony Lindgren wrote: >> >> [...] >> >>>> On which linux-next version you are seeing this? >>> >>> This was with next-20160922. But testing it again this is just another >>> regression caused by "softirq: fix tasklet_kill() and its users", so adding >>> Santosh to Cc. >>> >>> So no need to revert $subject patch. >>> >> So your driver also looks like fiddling with tasklet core structures if >> you got impacted because of the core change. > > How is that? None of the drivers in the twl6040 stack uses tasklets > explicitly. The core uses regmap_irq and the drivers use threaded irq when > they need interrupt handling, but no tasklet, no fiddling with internals. > May be MFD core or some up dependency for this driver does that. If not then you shouldn't be impacted because of the change. Regards, Santosh