On 12/16/2013 07:28 PM, Leigh Brown wrote:

I prefer this patch (which I think you originally proposed) because it is just 
as
correct and the code size is a bit smaller in arm mode, and the same size in
thumb
mode (on my compiler gcc 4.7.2, at least).  I coded the loop in that way to
make it
small.

I don't mind submitting it to David as I made the mistake in the first place.

Regards,

Leigh.

diff --git a/drivers/net/ethernet/marvell/mvmdio.c
b/drivers/net/ethernet/marvell/mvmdio.c
index 7354960..a42a750 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -92,6 +92,12 @@ static int orion_mdio_wait_ready(struct mii_bus *bus)
              if (time_is_before_jiffies(end))
                  ++timedout;
              } else {
+            /* wait_event_timeout does not guarantee a delay of at
+             * least one whole jiffie, so timeout must be no less
+             * than two.
+             */
+             if (timeout < 2)
+                 timeout = 2;
              wait_event_timeout(dev->smi_busy_wait,
                             orion_mdio_smi_is_done(dev),
                             timeout);

Hi Leigh,

My original patch changed "timeout" before the entering the while loop, but I'm fine with your patch too.

Feel free to add my:

Tested-by: Nicolas Schichan <nschic...@freebox.fr>

Regards,

--
Nicolas Schichan
Freebox SAS
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