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PCI: pcie-cadence-ep: Remove redundant variable mmc

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Variable mmc is being assigned but is never used hence it is redundant
and can be removed.

Cleans up clang warning:
warning: variable 'mmc' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
[lorenzo.pieralisi@arm.com: reworked commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Alan Douglas <adouglas@cadence.com>
This commit is contained in:
Colin Ian King 2018-07-11 09:01:03 +01:00 committed by Lorenzo Pieralisi
parent 0ae7383e83
commit eb1e39f784
1 changed files with 1 additions and 2 deletions
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3
drivers/pci/controller/pcie-cadence-ep.c
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@ -238,7 +238,7 @@ static int cdns_pcie_ep_get_msi(struct pci_epc *epc, u8 fn)
struct cdns_pcie_ep *ep = epc_get_drvdata(epc); struct cdns_pcie_ep *ep = epc_get_drvdata(epc);
struct cdns_pcie *pcie = &ep->pcie; struct cdns_pcie *pcie = &ep->pcie;
u32 cap = CDNS_PCIE_EP_FUNC_MSI_CAP_OFFSET; u32 cap = CDNS_PCIE_EP_FUNC_MSI_CAP_OFFSET;
u16 flags, mmc, mme; u16 flags, mme;
/* Validate that the MSI feature is actually enabled. */ /* Validate that the MSI feature is actually enabled. */
flags = cdns_pcie_ep_fn_readw(pcie, fn, cap + PCI_MSI_FLAGS); flags = cdns_pcie_ep_fn_readw(pcie, fn, cap + PCI_MSI_FLAGS);
@ -249,7 +249,6 @@ static int cdns_pcie_ep_get_msi(struct pci_epc *epc, u8 fn)
* Get the Multiple Message Enable bitfield from the Message Control * Get the Multiple Message Enable bitfield from the Message Control
* register. * register.
*/ */
mmc = (flags & PCI_MSI_FLAGS_QMASK) >> 1;
mme = (flags & PCI_MSI_FLAGS_QSIZE) >> 4; mme = (flags & PCI_MSI_FLAGS_QSIZE) >> 4;
return mme; return mme;