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Date: Thu, 14 May 2020 00:38:55 +0530 From: Vidya Sagar <vidyas@...dia.com> To: <jingoohan1@...il.com>, <gustavo.pimentel@...opsys.com>, <lorenzo.pieralisi@....com>, <andrew.murray@....com>, <bhelgaas@...gle.com>, <thierry.reding@...il.com>, <jonathanh@...dia.com> CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <kthota@...dia.com>, <mmaddireddy@...dia.com>, <vidyas@...dia.com>, <sagar.tv@...il.com> Subject: [PATCH] PCI: dwc: Warn only for non-prefetchable memory resource size >4GB commit 9e73fa02aa009 ("PCI: dwc: Warn if MEM resource size exceeds max for 32-bits") enables warning for MEM resources of size >4GB but prefetchable memory resources also come under this category where sizes can go beyond 4GB. Avoid logging a warning for prefetchable memory resources. Signed-off-by: Vidya Sagar <vidyas@...dia.com> --- drivers/pci/controller/dwc/pcie-designware-host.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 42fbfe2a1b8f..a29396529ea4 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -366,7 +366,8 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->mem = win->res; pp->mem->name = "MEM"; mem_size = resource_size(pp->mem); - if (upper_32_bits(mem_size)) + if (upper_32_bits(mem_size) && + !(win->res->flags & IORESOURCE_PREFETCH)) dev_warn(dev, "MEM resource size exceeds max for 32 bits\n"); pp->mem_size = mem_size; pp->mem_bus_addr = pp->mem->start - win->offset; -- 2.17.1
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