From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Tony Lindgren <tony@atomide.com>,
Dan Williams <dan.j.williams@intel.com>,
Vinod Koul <vkoul@kernel.org>,
Alexandre Bailon <abailon@baylibre.com>, Bin Liu <b-liu@ti.com>,
Daniel Mack <zonque@gmail.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Johan Hovold <johan@kernel.org>, Sekhar Nori <nsekhar@ti.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
dmaengine <dmaengine@vger.kernel.org>,
USB <linux-usb@vger.kernel.org>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
giulio.benetti@benettiengineering.com,
Sebastian Reichel <sre@kernel.org>,
Skvortsov <andrej.skvortzov@gmail.com>,
Yegor Yefremov <yegorslists@googlemail.com>
Subject: Re: [PATCH] dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle
Date: Thu, 24 Oct 2019 14:22:54 +0300 [thread overview]
Message-ID: <CAHp75VfOHjzO=ar+G7ieJo49=Nt8kFwUnA__B7vX8+Gh4JZqzg@mail.gmail.com> (raw)
In-Reply-To: <4bcd75d8-b7c5-5006-d80f-c5bda0cdf011@ti.com>
On Thu, Oct 24, 2019 at 11:51 AM Peter Ujfalusi <peter.ujfalusi@ti.com> wrote:
> On 23/10/2019 23.18, Tony Lindgren wrote:
> And the USB cable connect/disconnect is handled in interrupt -> you need
> to call pm_runtime_get_sync(dmadev) from interrupt context and need to
> mark the dmadev to pm_runtime_irq_safe()
Side note: and please don't spread the pm_runtime_irq_safe() hack more...
I think Tony is quite aware of this.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2019-10-24 11:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 15:31 [PATCH] dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle Tony Lindgren
2019-10-23 15:52 ` Vinod Koul
2019-10-23 17:04 ` Peter Ujfalusi
2019-10-23 17:16 ` Tony Lindgren
2019-10-23 19:02 ` Peter Ujfalusi
2019-10-23 19:18 ` Tony Lindgren
2019-10-23 19:55 ` Peter Ujfalusi
2019-10-23 20:18 ` Tony Lindgren
2019-10-23 20:55 ` Grygorii Strashko
2019-10-23 21:27 ` Tony Lindgren
2019-10-23 21:43 ` Grygorii Strashko
2019-10-23 21:49 ` Tony Lindgren
2019-10-24 8:52 ` Peter Ujfalusi
2019-10-24 11:22 ` Andy Shevchenko [this message]
2019-10-24 14:00 ` Tony Lindgren
2019-10-23 18:55 ` Sergei Shtylyov
2019-10-23 18:58 ` Andy Shevchenko
2019-10-23 19:19 ` Sergei Shtylyov
2019-10-23 19:00 ` Tony Lindgren
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