From 7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:17:46 +0200 Subject: Adding upstream version 6.10.3. Signed-off-by: Daniel Baumann --- drivers/pci/endpoint/pci-epf-core.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/pci/endpoint/pci-epf-core.c') diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c index 0a28a0b091..323f2a60ab 100644 --- a/drivers/pci/endpoint/pci-epf-core.c +++ b/drivers/pci/endpoint/pci-epf-core.c @@ -255,6 +255,8 @@ EXPORT_SYMBOL_GPL(pci_epf_free_space); * @type: Identifies if the allocation is for primary EPC or secondary EPC * * Invoke to allocate memory for the PCI EPF register space. + * Flag PCI_BASE_ADDRESS_MEM_TYPE_64 will automatically get set if the BAR + * can only be a 64-bit BAR, or if the requested size is larger than 2 GB. */ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar, const struct pci_epc_features *epc_features, @@ -304,9 +306,10 @@ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar, epf_bar[bar].addr = space; epf_bar[bar].size = size; epf_bar[bar].barno = bar; - epf_bar[bar].flags |= upper_32_bits(size) ? - PCI_BASE_ADDRESS_MEM_TYPE_64 : - PCI_BASE_ADDRESS_MEM_TYPE_32; + if (upper_32_bits(size) || epc_features->bar[bar].only_64bit) + epf_bar[bar].flags |= PCI_BASE_ADDRESS_MEM_TYPE_64; + else + epf_bar[bar].flags |= PCI_BASE_ADDRESS_MEM_TYPE_32; return space; } -- cgit v1.2.3