From 1f3a37e342ff110a451afcdf15c75a90e643208d Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Thu, 2 Nov 2023 15:16:19 +0000
Subject: [pci] Cache ECAM mapping errors

When an error occurs during ECAM configuration space mapping, preserve
the error within the existing cached mapping (instead of invalidating
the cached mapping) in order to avoid flooding the debug log with
repeated identical mapping errors.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/ecam.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/include')

diff --git a/src/include/ipxe/ecam.h b/src/include/ipxe/ecam.h
index 683d613a..ff08aee5 100644
--- a/src/include/ipxe/ecam.h
+++ b/src/include/ipxe/ecam.h
@@ -50,6 +50,8 @@ struct ecam_mapping {
 	struct pci_range range;
 	/** MMIO base address */
 	void *regs;
+	/** Mapping result */
+	int rc;
 };
 
 extern struct pci_api ecam_api;
-- 
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