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authorJan Kiszka <jan.kiszka@siemens.com>2017-06-22 08:17:59 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-22 13:39:56 -0400
commitc5f657e49c878756f21349f9e4b0f1c9631d5352 (patch)
treedc028d15a42feb2f99cce285f70fce94d8d5063d /drivers/net
parentb6a4c8f013ea2dd1ead7ee14b44712189a7bc6c6 (diff)
downloadlinux-c5f657e49c878756f21349f9e4b0f1c9631d5352.tar.bz2
stmmac: pci: Make stmmac_pci_find_phy_addr truly generic
Move the special case for the early Galileo firmware into quark_default_setup. This allows to use stmmac_pci_find_phy_addr for non-quark cases. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index d3d74e526e17..f44ae49eb11c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -51,12 +51,8 @@ static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
unsigned int func = PCI_FUNC(pdev->devfn);
struct stmmac_pci_dmi_data *dmi;
- /*
- * Galileo boards with old firmware don't support DMI. We always return
- * 1 here, so at least first found MAC controller would be probed.
- */
if (!name)
- return 1;
+ return -ENODEV;
for (dmi = info->dmi; dmi->name && *dmi->name; dmi++) {
if (!strcmp(dmi->name, name) && dmi->func == func) {
@@ -136,8 +132,18 @@ static int quark_default_data(struct pci_dev *pdev,
* does not connect to any PHY interface.
*/
ret = stmmac_pci_find_phy_addr(pdev, info);
- if (ret < 0)
- return ret;
+ if (ret < 0) {
+ /* Return error to the caller on DMI enabled boards. */
+ if (dmi_get_system_info(DMI_BOARD_NAME))
+ return ret;
+
+ /*
+ * Galileo boards with old firmware don't support DMI. We always
+ * use 1 here as PHY address, so at least the first found MAC
+ * controller would be probed.
+ */
+ ret = 1;
+ }
plat->bus_id = PCI_DEVID(pdev->bus->number, pdev->devfn);
plat->phy_addr = ret;