PCI: dwc/intel-gw: Drop unused max_width

'max_width' is read, but never used, so let's remove it.

Link: https://lore.kernel.org/r/20200821035420.380495-39-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Dilip Kota <eswara.kota@linux.intel.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/controller/dwc/pcie-intel-gw.c

@@ -67,7 +67,6 @@ struct intel_pcie_port {
 	void __iomem		*app_base;
 	struct gpio_desc	*reset_gpio;
 	u32			rst_intrvl;
-	u32			max_width;
 	u32			n_fts;
 	struct clk		*core_clk;
 	struct reset_control	*core_rst;
@@ -133,9 +132,6 @@ static void intel_pcie_link_setup(struct intel_pcie_port *lpp)
 	u32 val;
 	u8 offset = dw_pcie_find_capability(&lpp->pci, PCI_CAP_ID_EXP);
 
-	val = pcie_rc_cfg_rd(lpp, offset + PCI_EXP_LNKCAP);
-	lpp->max_width = FIELD_GET(PCI_EXP_LNKCAP_MLW, val);
-
 	val = pcie_rc_cfg_rd(lpp, offset + PCI_EXP_LNKCTL);
 
 	val &= ~(PCI_EXP_LNKCTL_LD | PCI_EXP_LNKCTL_ASPMC);