Commit ce31ff78 authored by Gustavo Pimentel's avatar Gustavo Pimentel Committed by Lorenzo Pieralisi
Browse files

PCI: dwc: Fix 'cast truncates bits from constant value' 

Fixes warning given by executing "make C=2 drivers/pci/"

Sparse output:
CHECK drivers/pci/controller/dwc/pcie-designware.c
 drivers/pci/controller/dwc/pcie-designware.c:432:52: warning:
 cast truncates bits from constant value (ffffffff7fffffff becomes
 7fffffff)

Link: https://lore.kernel.org/r/7ea7f7d342f97c758949a17b870012f52ce5b3f5.1600767645.git.gustavo.pimentel@synopsys.com


Reported-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarGustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Joao Pinto <jpinto@synopsys.com>
parent 09fb37b3

drivers/pci/controller/dwc/pcie-designware.c

+1 −1
Original line number Diff line number Diff line
@@ -452,7 +452,7 @@ void dw_pcie_disable_atu(struct dw_pcie *pci, int index, 
	}



	dw_pcie_writel_dbi(pci, PCIE_ATU_VIEWPORT, region | index);

	dw_pcie_writel_dbi(pci, PCIE_ATU_CR2, (u32)~PCIE_ATU_ENABLE);

	dw_pcie_writel_dbi(pci, PCIE_ATU_CR2, ~(u32)PCIE_ATU_ENABLE);

}



int dw_pcie_wait_for_link(struct dw_pcie *pci)