From: Thierry Reding <thierry.reding@gmail.com>
To: Bitan Biswas <bbiswas@nvidia.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>,
Thierry Reding <treding@nvidia.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH V1 1/2] mailbox: tegra: hsp: add noirq resume
Date: Fri, 14 Jun 2019 17:50:41 +0200 [thread overview]
Message-ID: <20190614155041.GB26922@ulmo> (raw)
In-Reply-To: <1560515734-2085-1-git-send-email-bbiswas@nvidia.com>
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On Fri, Jun 14, 2019 at 05:35:33AM -0700, Bitan Biswas wrote:
> Add noirq resume instead of resume callback for Tegra HSP. Tegra HSP
> resume needs tegra_hsp_doorbell_startup() call to fix timeout error for
> tegra_bpmp_transfer() during genpd resume noirq on jetson-tx2.
s/jetson-tx2/Jetson TX2/?
>
> Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
> ---
> drivers/mailbox/tegra-hsp.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c
> index 91f1a0c..f147374 100644
> --- a/drivers/mailbox/tegra-hsp.c
> +++ b/drivers/mailbox/tegra-hsp.c
> @@ -771,10 +771,16 @@ static int tegra_hsp_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static int __maybe_unused tegra_hsp_resume(struct device *dev)
> +static int __maybe_unused tegra_hsp_noirq_resume(struct device *dev)
Maybe call this tegra_hsp_resume_noirq() to match the naming of the
dev_pm_ops callback?
> {
> struct tegra_hsp *hsp = dev_get_drvdata(dev);
> unsigned int i;
> + struct tegra_hsp_doorbell *db;
> +
> + list_for_each_entry(db, &hsp->doorbells, list) {
> + if (db && db->channel.chan)
> + tegra_hsp_doorbell_startup(db->channel.chan);
> + }
>
> for (i = 0; i < hsp->num_sm; i++) {
> struct tegra_hsp_mailbox *mb = &hsp->mailboxes[i];
> @@ -786,7 +792,9 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev)
> return 0;
> }
>
> -static SIMPLE_DEV_PM_OPS(tegra_hsp_pm_ops, NULL, tegra_hsp_resume);
> +static const struct dev_pm_ops tegra_hsp_pm_ops = {
> + .resume_noirq = tegra_hsp_noirq_resume,
There seems to be two extra spaces before that =.
Thierry
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next prev parent reply other threads:[~2019-06-14 15:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-14 12:35 [PATCH V1 1/2] mailbox: tegra: hsp: add noirq resume Bitan Biswas
2019-06-14 12:35 ` [PATCH V1 2/2] mailbox: tegra: avoid resume NULL mailboxes Bitan Biswas
2019-06-14 15:52 ` Thierry Reding
2019-06-14 16:16 ` Bitan Biswas
2019-06-14 15:50 ` Thierry Reding [this message]
2019-06-14 16:11 ` [PATCH V1 1/2] mailbox: tegra: hsp: add noirq resume Bitan Biswas
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