Thread (19 messages) 19 messages, 4 authors, 2025-09-09

Re: [PATCH v1 1/2] PCI: dwc: Invoke post_init in dw_pcie_resume_noirq()

From: Bjorn Helgaas <helgaas@kernel.org>
Date: 2025-08-20 15:57:49
Also in: imx, linux-pci, lkml

On Wed, Aug 20, 2025 at 04:10:47PM +0800, Richard Zhu wrote:
If the ops has post_init callback, invoke it in dw_pcie_resume_noirq().
Can you briefly explain why .post_init() is required here?  Bread
crumbs about the purpose of .post_init() will help other driver
writers (and me!)
quoted hunk ↗ jump to hunk
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
 drivers/pci/controller/dwc/pcie-designware-host.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 952f8594b5012..f24f4cd5c278f 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -1079,6 +1079,9 @@ int dw_pcie_resume_noirq(struct dw_pcie *pci)
 	if (ret)
 		return ret;
 
+	if (pci->pp.ops->post_init)
+		pci->pp.ops->post_init(&pci->pp);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(dw_pcie_resume_noirq);
-- 
2.37.1
  
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