Re: [PATCH v2 0/4] netdev/phy: 10G PHY support.

[David Miller]

From: David Daney <ddaney.cavm@xxxxxxxxx>
Date: Wed, 27 Jun 2012 10:33:34 -0700

> From: David Daney <david.daney@xxxxxxxxxx>
> 
> The only non-cosmetic change from v1 is to pass an additional argument
> to get_phy_device() that indicates that the PHY uses 802.3 clause 45
> signaling, previously I had been using a high order bit of the addr
> parameter for this.
> 
> There are also changes from v1 in the code and comment formatting.
> These should now be closer to what David Miller prefers.

Applied, but I had to add the following warning fixup:

--------------------
phy: Fix warning in get_phy_device().

drivers/net/phy/phy_device.c: In function ʽget_phy_deviceʼ:
drivers/net/phy/phy_device.c:340:14: warning: ʽphy_idʼ may be used uninitialized in this function [-Wmaybe-uninitialized]

GCC can't see that when we return zero we always initialize
phy_id and that's the only path where we use it.

Initialize phy_id to zero to shut it up.

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
 drivers/net/phy/phy_device.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index ef4cdee..47e02e7 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -327,9 +327,9 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id,
  */
 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45)
 {
-	struct phy_device *dev = NULL;
-	u32 phy_id;
 	struct phy_c45_device_ids c45_ids = {0};
+	struct phy_device *dev = NULL;
+	u32 phy_id = 0;
 	int r;
 
 	r = get_phy_id(bus, addr, &phy_id, is_c45, &c45_ids);
-- 
1.7.10.2

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