net: fsl_enetc: Introduce enetc_is_ls1028a()
Introduce accurate test for LS1028A compatibility based both on
IS_ENABLED(CONFIG_ARCH_LS1028A) and PCI vendor ID. This is done
in preparation for adding ENETCv4 support, which has a different
PCI vendor ID.
Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/net/fsl_enetc.c b/drivers/net/fsl_enetc.c
index a6b0baf..d141416 100644
--- a/drivers/net/fsl_enetc.c
+++ b/drivers/net/fsl_enetc.c
@@ -23,6 +23,15 @@
static int enetc_remove(struct udevice *dev);
+static int enetc_is_ls1028a(struct udevice *dev)
+{
+ struct pci_child_plat *pplat = dev_get_parent_plat(dev);
+
+ /* Test whether this is LS1028A ENETC. This may be optimized out. */
+ return IS_ENABLED(CONFIG_ARCH_LS1028A) &&
+ pplat->vendor == PCI_VENDOR_ID_FREESCALE;
+}
+
/*
* sets the MAC address in IERB registers, this setting is persistent and
* carried over to Linux.
@@ -416,7 +425,7 @@
struct enetc_priv *priv = dev_get_priv(dev);
u8 *addr = plat->enetaddr;
- if (IS_ENABLED(CONFIG_ARCH_LS1028A))
+ if (enetc_is_ls1028a(dev))
return enetc_ls1028a_write_hwaddr(dev);
u16 lower = *(const u16 *)(addr + 4);