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

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Message-ID: <20251016210250.15932-6-zhiw@nvidia.com>
Date: Thu, 16 Oct 2025 21:02:50 +0000
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>,
	<zhiw@...dia.com>, <zhiwang@...nel.org>, <acourbot@...dia.com>,
	<joelagnelf@...dia.com>, <jhubbard@...dia.com>, <markus.probst@...teo.de>
Subject: [PATCH v2 5/5] nova-core: test configuration routine.

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),
-- 
2.47.3