PCI: fu740: Remove unused assignments

fu740_pcie_host_init() assigned "ret", but never used the value.  Drop it.

Found by Krzysztof using cppcheck:

  $ cppcheck --enable=all --force
  unreadVariable drivers/pci/controller/dwc/pcie-fu740.c:227 Variable 'ret' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-4-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/controller/dwc/pcie-fu740.c b/drivers/pci/controller/dwc/pcie-fu740.c
index 00cde9a..43b7b8e 100644 (file)
--- a/drivers/pci/controller/dwc/pcie-fu740.c
+++ b/drivers/pci/controller/dwc/pcie-fu740.c
@@ -224,7 +224,7 @@ static int fu740_pcie_host_init(struct pcie_port *pp)
        /* Clear hold_phy_rst */
        writel_relaxed(0x0, afp->mgmt_base + PCIEX8MGMT_APP_HOLD_PHY_RST);
        /* Enable pcieauxclk */
-       ret = clk_prepare_enable(afp->pcie_aux);
+       clk_prepare_enable(afp->pcie_aux);
        /* Set RC mode */
        writel_relaxed(0x4, afp->mgmt_base + PCIEX8MGMT_DEVICE_TYPE);