From: Tony Lindgren <tony@atomide.com>
To: Andreas Kemnade <andreas@kemnade.info>
Cc: t-kristo@ti.com, mturquette@baylibre.com, sboyd@kernel.org,
linux-omap@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org, bcousson@baylibre.com,
paul@pwsan.com, letux-kernel@openphoenux.org
Subject: Re: [PATCH v3 0/3] mach-omap2: handle autoidle denial
Date: Mon, 21 Jan 2019 11:58:03 -0800 [thread overview]
Message-ID: <20190121195803.GH5544@atomide.com> (raw)
In-Reply-To: <20190116220429.9136-1-andreas@kemnade.info>
* Andreas Kemnade <andreas@kemnade.info> [190116 14:04]:
> On the gta04 with a dm3730 omap_hdq does not work properly when the
> device enters lower power states. Idling uart1 and 2 is enough
> to show up that problem, if there are no other things enabled.
> Further research reveals that hdq iclk must not be turned off during
> transfers, also according to the TRM. That fact is also correctly described
> in the flags but the code to handle that is incomplete.
>
> To handle multiple users of a single ick, autoidle is disabled
> when a user of that ick requires that (has the OCPIF_SWSUP_IDLE))
>
> Changes v3:
> - replace CLK_IS_BASIC
>
> Changes v2:
> - uses spinlocks instead of mutexes
> - invert counter logic
> - check whether clock type is basic
For this series it's best to merge it all via the
clock tree along with the related clock patches:
Acked-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2019-01-21 19:58 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 22:04 [PATCH v3 0/3] mach-omap2: handle autoidle denial Andreas Kemnade
2019-01-16 22:04 ` [PATCH v3 1/3] clk: ti: add a usecount for autoidle Andreas Kemnade
2019-01-16 22:04 ` [PATCH v3 2/3] clk: ti: check clock type before doing autoidle ops Andreas Kemnade
2019-01-16 22:04 ` [PATCH v3 3/3] arm: omap_hwmod disable ick autoidling when a hwmod requires that Andreas Kemnade
2019-01-18 15:48 ` Tony Lindgren
2019-01-18 17:18 ` Andreas Kemnade
2019-01-18 18:36 ` Tony Lindgren
2019-01-18 19:38 ` Andreas Kemnade
2019-01-18 19:42 ` [Letux-kernel] " Andreas Kemnade
2019-01-18 19:48 ` Tony Lindgren
2019-01-19 6:39 ` J, KEERTHY
2019-01-19 7:12 ` Andreas Kemnade
2019-01-19 7:58 ` J, KEERTHY
2019-01-22 6:26 ` Keerthy
2019-01-18 19:45 ` Tony Lindgren
2019-01-21 7:12 ` Tero Kristo
2019-01-21 17:07 ` Tony Lindgren
2019-01-21 17:53 ` Andreas Kemnade
2019-01-21 19:56 ` Tony Lindgren
2019-01-21 19:58 ` Tony Lindgren [this message]
2019-02-09 18:53 ` [PATCH v3 0/3] mach-omap2: handle autoidle denial Andreas Kemnade
2019-02-15 19:19 ` Tero Kristo
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