From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Mark Brown <broonie@kernel.org>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
Lee Jones <lee.jones@linaro.org>, Marcel Partap <mpartap@gmx.net>,
Michael Scott <michael.scott@linaro.org>,
Sebastian Reichel <sre@kernel.org>
Subject: Re: [PATCH 1/4] regmap: irq: Fix lost interrupts by introducing handle_reread
Date: Mon, 20 Mar 2017 15:14:13 +0000 [thread overview]
Message-ID: <20170320151413.GT6986@localhost.localdomain> (raw)
In-Reply-To: <20170317003633.7361-2-tony@atomide.com>
On Thu, Mar 16, 2017 at 05:36:30PM -0700, Tony Lindgren wrote:
> At least Motorola CPCAP PMIC needs it's device interrupts re-read
> until there are no more interrupts. Otherwise the PMIC interrupt to
> the SoC will eventually stop toggling.
>
> Let's allow doing that by introducing a flag for handle_reread
> and by splitting regmap_irq_thread() into two separate functions
> for regmap_read_irq_status() and regmap_irq_handle_pending().
>
Is this actually a property of this hardware or is this just a
result of connecting a device that generates level IRQs to a host
that is expecting an edge triggered IRQ?
Thanks,
Charles
next prev parent reply other threads:[~2017-03-20 15:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 0:36 [PATCH 0/4] Regmap IRQ fix and related changes CPCAP Tony Lindgren
2017-03-17 0:36 ` [PATCH 1/4] regmap: irq: Fix lost interrupts by introducing handle_reread Tony Lindgren
2017-03-20 15:14 ` Charles Keepax [this message]
2017-03-20 15:33 ` Tony Lindgren
2017-03-21 9:23 ` Charles Keepax
2017-03-21 15:41 ` Tony Lindgren
2017-03-21 16:43 ` Charles Keepax
2017-03-17 0:36 ` [PATCH 2/4] mfd: cpcap: Use handle_reread flag for interrupts Tony Lindgren
2017-03-17 0:36 ` [PATCH 3/4] mfd: cpcap: Use ack_invert interrupts Tony Lindgren
2017-03-17 0:36 ` [PATCH 4/4] mfd: cpcap: Fix bad use of IRQ sense register Tony Lindgren
2017-03-19 2:01 ` Sebastian Reichel
2017-03-19 16:07 ` Tony Lindgren
2017-03-20 10:47 ` Lee Jones
2017-03-22 2:22 ` [PATCH 0/4] Regmap IRQ fix and related changes CPCAP Sebastian Reichel
-- strict thread matches above, loose matches on Subject: below --
2017-03-22 17:10 [PATCHv2 " Tony Lindgren
2017-03-22 17:10 ` [PATCH 1/4] regmap: irq: Fix lost interrupts by introducing handle_reread Tony Lindgren
2017-03-27 17:49 ` Mark Brown
2017-03-28 0:36 ` Tony Lindgren
2017-03-28 15:18 ` Mark Brown
2017-03-28 15:47 ` Tony Lindgren
2017-03-28 16:49 ` Mark Brown
2017-03-28 17:10 ` Tony Lindgren
2017-04-04 3:03 ` Tony Lindgren
2017-04-04 12:19 ` Mark Brown
2017-04-04 13:56 ` Tony Lindgren
2017-04-04 15:28 ` Mark Brown
2017-04-03 11:27 ` Lee Jones
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