Since we are already checking for *devs == 0 after
the loop terminates, we can add a mostly F's check
as well. With that change we can simplify the return/break
sequence inside the loop.

Add a valid_phy_id() macro for this, since we will be using it
in a couple other places.

Signed-off-by: Jeremy Linton <jeremy.lin...@arm.com>
---
 drivers/net/phy/phy_device.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 245899b58a7d..7746c07b97fe 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -695,6 +695,11 @@ static int get_phy_c45_devs_in_pkg(struct mii_bus *bus, 
int addr, int dev_addr,
        return 0;
 }
 
+static bool valid_phy_id(int val)
+{
+       return (val > 0 && ((val & 0x1fffffff) != 0x1fffffff));
+}
+
 /**
  * get_phy_c45_ids - reads the specified addr for its 802.3-c45 IDs.
  * @bus: the target MII bus
@@ -732,18 +737,12 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, 
u32 *phy_id,
                        phy_reg = get_phy_c45_devs_in_pkg(bus, addr, 0, devs);
                        if (phy_reg < 0)
                                return -EIO;
-                       /* no device there, let's get out of here */
-                       if ((*devs & 0x1fffffff) == 0x1fffffff) {
-                               *phy_id = 0xffffffff;
-                               return 0;
-                       } else {
-                               break;
-                       }
+                       break;
                }
        }
 
        /* no reported devices */
-       if (*devs == 0) {
+       if (!valid_phy_id(*devs)) {
                *phy_id = 0xffffffff;
                return 0;
        }
-- 
2.26.2

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