[PATCH AUTOSEL 6.4 03/11] PCI: Make quirk using inw() depend on HAS_IOPORT

From: Sasha Levin
Date: Fri Sep 08 2023 - 20:24:10 EST


From: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>

[ Upstream commit f768c75d61582b011962f9dcb9ff8eafb8da0383 ]

In the future inw() and friends will not be compiled on architectures
without I/O port support.

Co-developed-by: Arnd Bergmann <arnd@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230703135255.2202721-2-schnelle@xxxxxxxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxxxx>
Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b7c65193e786a..276464fd3b30b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -268,6 +268,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_d
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs);
#endif

+#ifdef CONFIG_HAS_IOPORT
/*
* Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear
* for some HT machines to use C4 w/o hanging.
@@ -287,6 +288,7 @@ static void quirk_tigerpoint_bm_sts(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGP_LPC, quirk_tigerpoint_bm_sts);
+#endif

/* Chipsets where PCI->PCI transfers vanish or hang */
static void quirk_nopcipci(struct pci_dev *dev)
--
2.40.1