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From: Thierry Reding <thierry.reding@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>
Cc: jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net,
	marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch,
	mark.rutland@arm.com, pdeschrijver@nvidia.com,
	pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org,
	linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com,
	talho@nvidia.com, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org, mperttunen@nvidia.com,
	spatra@nvidia.com, robh+dt@kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH V2 01/12] irqchip: tegra: do not disable COP IRQ during suspend
Date: Wed, 29 May 2019 16:21:59 +0200	[thread overview]
Message-ID: <20190529142159.GE17679@ulmo> (raw)
In-Reply-To: <1559084936-4610-2-git-send-email-skomatineni@nvidia.com>

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On Tue, May 28, 2019 at 04:08:45PM -0700, Sowjanya Komatineni wrote:
> Tegra210 platforms use sc7 entry firmware to program Tegra LP0/SC7 entry
> sequence and sc7 entry firmware is run from COP/BPMP-Lite.
> 
> So, COP/BPMP-Lite still need IRQ function to finish SC7 suspend sequence
> for Tegra210.
> 
> This patch has fix for leaving the COP IRQ enabled for Tegra210 during
> interrupt controller suspend operation.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
>  drivers/irqchip/irq-tegra.c | 22 ++++++++++++++++++++--
>  1 file changed, 20 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c
> index 0abc0cd1c32e..deab3ba606e2 100644
> --- a/drivers/irqchip/irq-tegra.c
> +++ b/drivers/irqchip/irq-tegra.c
> @@ -53,18 +53,22 @@ static unsigned int num_ictlrs;
>  
>  struct tegra_ictlr_soc {
>  	unsigned int num_ictlrs;
> +	bool has_bpmp_fw;

This seems slightly inaccurate to me. My understanding is that we need
the AVP/COP to enter/exit SC7 irrespective of whether it runs the BPMP
lite firmware. Perhaps something like "supports_sc7" would be a little
more accurate?

Other than that:

Acked-by: Thierry Reding <treding@nvidia.com>

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  reply	other threads:[~2019-05-29 14:21 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-28 23:08 [PATCH V2 00/12] LP0 entry and exit support for Tegra210 Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 01/12] irqchip: tegra: do not disable COP IRQ during suspend Sowjanya Komatineni
2019-05-29 14:21   ` Thierry Reding [this message]
2019-05-28 23:08 ` [PATCH V2 02/12] pinctrl: tegra: add suspend and resume support Sowjanya Komatineni
2019-05-29 15:29   ` Dmitry Osipenko
2019-05-29 18:14     ` Sowjanya Komatineni
2019-05-29 19:32       ` Dmitry Osipenko
2019-05-29 20:11         ` Sowjanya Komatineni
2019-05-29 20:47           ` Dmitry Osipenko
2019-05-29 20:56             ` Sowjanya Komatineni
2019-05-29 21:07               ` Sowjanya Komatineni
2019-05-29 21:25               ` Dmitry Osipenko
2019-05-29 21:27                 ` Sowjanya Komatineni
2019-05-29 21:33                   ` Dmitry Osipenko
2019-05-28 23:08 ` [PATCH V2 03/12] clk: tegra: save and restore PLLs state for system Sowjanya Komatineni
2019-05-29 23:28   ` Stephen Boyd
2019-05-31 19:52     ` Sowjanya Komatineni
2019-06-05 23:31       ` Stephen Boyd
2019-05-28 23:08 ` [PATCH V2 04/12] clk: tegra: add support for peripheral clock suspend and resume Sowjanya Komatineni
2019-05-29 23:30   ` Stephen Boyd
2019-05-31 19:55     ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 05/12] clk: tegra: add support for OSC clock resume Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 06/12] clk: tegra: add suspend resume support for DFLL clock Sowjanya Komatineni
2019-06-04 12:41   ` Peter De Schrijver
2019-05-28 23:08 ` [PATCH V2 07/12] clk: tegra: support for Tegra210 clocks suspend-resume Sowjanya Komatineni
2019-06-06 18:17   ` Stephen Boyd
2019-06-06 19:13     ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 08/12] soc/tegra: pmc: allow support for more tegra wake models Sowjanya Komatineni
2019-05-29 14:30   ` Thierry Reding
2019-05-28 23:08 ` [PATCH V2 09/12] soc/tegra: pmc: add pmc wake support for tegra210 Sowjanya Komatineni
2019-05-29  5:42   ` JC Kuo
2019-05-29 13:52   ` Thierry Reding
2019-05-28 23:08 ` [PATCH V2 10/12] gpio: tegra: implement wake event support for Tegra210 and prior GPIO Sowjanya Komatineni
2019-05-29 14:03   ` Thierry Reding
2019-06-01  8:28     ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 11/12] arm64: tegra: enable wake from deep sleep on RTC alarm Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 12/12] soc/tegra: pmc: configure tegra deep sleep control settings Sowjanya Komatineni
2019-05-29 14:05   ` Thierry Reding
2019-05-29 14:12 ` [PATCH V2 00/12] LP0 entry and exit support for Tegra210 Thierry Reding
2019-06-04 13:47 ` Peter De Schrijver

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