linux-kernel - Re: [PATCH v2 5/5] nova-core: test configuration routine.

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Message-ID: <20251017075522.6f662300.zhiw@nvidia.com>
Date: Fri, 17 Oct 2025 07:55:22 +0300
From: Zhi Wang <zhiw@...dia.com>
To: <rust-for-linux@...r.kernel.org>
CC: <dakr@...nel.org>, <bhelgaas@...gle.com>, <kwilczynski@...nel.org>,
	<ojeda@...nel.org>, <alex.gaynor@...il.com>, <boqun.feng@...il.com>,
	<gary@...yguo.net>, <bjorn3_gh@...tonmail.com>, <lossin@...nel.org>,
	<a.hindborg@...nel.org>, <aliceryhl@...gle.com>, <tmgross@...ch.edu>,
	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<cjia@...dia.com>, <smitra@...dia.com>, <ankita@...dia.com>,
	<aniketa@...dia.com>, <kwankhede@...dia.com>, <targupta@...dia.com>,
	<zhiwang@...nel.org>, <acourbot@...dia.com>, <joelagnelf@...dia.com>,
	<jhubbard@...dia.com>, <markus.probst@...teo.de>
Subject: Re: [PATCH v2 5/5] nova-core: test configuration routine.

On Thu, 16 Oct 2025 21:02:50 +0000
Zhi Wang <zhiw@...dia.com> wrote:

Hi guys:

To avoid misunderstanding, this is just meant for folks to test, not for
merging. I will drop this one in the next re-spin.

Z.

> Signed-off-by: Zhi Wang <zhiw@...dia.com>
> ---
>  drivers/gpu/nova-core/driver.rs | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/nova-core/driver.rs
> b/drivers/gpu/nova-core/driver.rs index edc72052e27a..48538aa72dfd
> 100644 --- a/drivers/gpu/nova-core/driver.rs
> +++ b/drivers/gpu/nova-core/driver.rs
> @@ -67,6 +67,10 @@ fn probe(pdev: &pci::Device<Core>, _info:
> &Self::IdInfo) -> Result<Pin<KBox<Self let bar_clone =
> Arc::clone(&devres_bar); let bar = bar_clone.access(pdev.as_ref())?;
>  
> +        let config = pdev.config_space()?;
> +
> +        dev_info!(pdev.as_ref(), "Nova Core GPU driver read pci
> {:x}.\n", config.read16(0)); +
>          let this = KBox::pin_init(
>              try_pin_init!(Self {
>                  gpu <- Gpu::new(pdev, devres_bar, bar),