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PCI: designware: Remove redundant call to pci_write_config_word() 

write_msi_msg() does exactly the same so there is no need to explicitly
call pci_write_config_word() and do the same twice.

Tested-by: Mohit Kumar <mohit.kumar@st.com>
Signed-off-by: Bjørn Erik Nilsen <ben@datarespons.no>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Jingoo Han <jg1.han@samsung.com>
This commit is contained in:
Bjørn Erik Nilsen 2013-11-29 14:35:25 +01:00 committed by Bjorn Helgaas
parent be3f48cb21
commit 64989e7399
1 changed files with 4 additions and 4 deletions
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8
drivers/pci/host/pcie-designware.c
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@ -345,10 +345,10 @@ static int dw_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev,
if (irq < 0)
return irq;
msg_ctr &= ~PCI_MSI_FLAGS_QSIZE;
msg_ctr |= msgvec << 4;
pci_write_config_word(pdev, desc->msi_attrib.pos + PCI_MSI_FLAGS,
msg_ctr);
/*
* write_msi_msg() will update PCI_MSI_FLAGS so there is
* no need to explicitly call pci_write_config_word().
*/
desc->msi_attrib.multiple = msgvec;
msg.address_lo = virt_to_phys((void *)pp->msi_data);