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

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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: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Joao Pinto <jpinto@synopsys.com>
This commit is contained in:
Gustavo Pimentel 2020-09-22 11:59:10 +02:00 committed by Lorenzo Pieralisi
parent 09fb37b35e
commit ce31ff786d
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/controller/dwc/pcie-designware.c
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@ -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)