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Date: Fri, 8 Sep 2023 20:23:22 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Niklas Schnelle <schnelle@...ux.ibm.com>,
Arnd Bergmann <arnd@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Sasha Levin <sashal@...nel.org>, linux-pci@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 3/7] PCI: Make quirk using inw() depend on HAS_IOPORT
From: Niklas Schnelle <schnelle@...ux.ibm.com>
[ 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@...nel.org>
Link: https://lore.kernel.org/r/20230703135255.2202721-2-schnelle@linux.ibm.com
Signed-off-by: Arnd Bergmann <arnd@...nel.org>
Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index ec17d42c2a155..0b54360eec781 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -265,6 +265,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_1, quirk_isa_d
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs);
+#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.
@@ -284,6 +285,7 @@ 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
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