[PATCH v2 2/3] misc: pci_endpoint_test: Handle -ENOSPC in subrange mapping test case

Christian Bruel
2026-03-23T08:15:44Z

Return -ENOSPC when the status reports the STATUS_NO_RESOURCE bit.
This signifies to the pci_endpoint test to skip this test.

Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
---
drivers/misc/pci_endpoint_test.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index 55e128ed82f00ae13b6fe9768cdbe56adbe8f9da..202196adf8ad84106ab3cf72016fa791a74697ee 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -61,6 +61,7 @@
#define STATUS_BAR_SUBRANGE_SETUP_FAIL BIT(15)
#define STATUS_BAR_SUBRANGE_CLEAR_SUCCESS BIT(16)
#define STATUS_BAR_SUBRANGE_CLEAR_FAIL BIT(17)
+#define STATUS_NO_RESOURCE BIT(18)

#define PCI_ENDPOINT_TEST_LOWER_SRC_ADDR 0x0c
#define PCI_ENDPOINT_TEST_UPPER_SRC_ADDR 0x10
@@ -477,7 +478,7 @@ static int pci_endpoint_test_bar_subrange_cmd(struct pci_endpoint_test *test,

status = pci_endpoint_test_readl(test, PCI_ENDPOINT_TEST_STATUS);
if (status & fail_bit)
- return -EIO;
+ return (status & STATUS_NO_RESOURCE) ? -ENOSPC : -EIO;

if (!(status & ok_bit))
return -EIO;

--
2.34.1