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From: Gerd Bayer <gbayer@linux.ibm.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
	Jay Cornwall <Jay.Cornwall@amd.com>,
	Felix Kuehling <Felix.Kuehling@amd.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Leon Romanovsky <leon@kernel.org>,
	Alexander Schmidt <alexs@linux.ibm.com>,
	linux-s390@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	linux-rdma@vger.kernel.org, Gerd Bayer <gbayer@linux.ibm.com>
Subject: [PATCH v6 2/2] PCI: AtomicOps: Update references to PCIe spec
Date: Wed, 25 Mar 2026 16:16:18 +0100	[thread overview]
Message-ID: <20260325-fix_pciatops-v6-2-10bf19d76dd1@linux.ibm.com> (raw)
In-Reply-To: <20260325-fix_pciatops-v6-0-10bf19d76dd1@linux.ibm.com>

Point to the relevant sections in the most recent release 7.0 of the
PCIe spec. Text has mostly just moved around without any semantic
change.

Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
---
 drivers/pci/pci.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 006aa589926cb290de43f152100ddaf9961407d1..fc211af0b6361cd8f5101b681a97bd1ad1304d9d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3694,7 +3694,7 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)
 	u32 ctl2;
 
 	/*
-	 * Per PCIe r5.0, sec 9.3.5.10, the AtomicOp Requester Enable bit
+	 * Per PCIe r7.0, sec 7.5.3.16, the AtomicOp Requester Enable bit
 	 * in Device Control 2 is reserved in VFs and the PF value applies
 	 * to all associated VFs.
 	 */
@@ -3705,9 +3705,9 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)
 		return -EINVAL;
 
 	/*
-	 * Per PCIe r4.0, sec 6.15, endpoints and root ports may be
+	 * Per PCIe r7.0, sec 6.15, endpoints and root ports may be
 	 * AtomicOp requesters.  For now, we only support endpoints as
-	 * requesters and root ports as completers.  No endpoints as
+	 * requesters and root ports as completers. No endpoints as
 	 * completers, and no peer-to-peer.
 	 */
 

-- 
2.51.0


      parent reply	other threads:[~2026-03-25 15:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-25 15:16 [PATCH v6 0/2] PCI: AtomicOps: Fix pci_enable_atomic_ops_to_root() Gerd Bayer
2026-03-25 15:16 ` [PATCH v6 1/2] PCI: AtomicOps: Do not enable without support in root complex Gerd Bayer
2026-03-25 20:08   ` Bjorn Helgaas
2026-03-26  9:51     ` Gerd Bayer
2026-03-26 16:40       ` Bjorn Helgaas
2026-03-25 15:16 ` Gerd Bayer [this message]

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