sfc: Fix reporting of PHY id
Shuffle bits of the OUI into the conventional written order.
Replace PHY id component macros with functions.
Zero-pad PHY id components in log messages.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 4462fb5..9f5ec3e 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -17,6 +17,21 @@
#include "boards.h"
#include "workarounds.h"
+unsigned mdio_id_oui(u32 id)
+{
+ unsigned oui = 0;
+ int i;
+
+ /* The bits of the OUI are designated a..x, with a=0 and b variable.
+ * In the id register c is the MSB but the OUI is conventionally
+ * written as bytes h..a, p..i, x..q. Reorder the bits accordingly. */
+ for (i = 0; i < 22; ++i)
+ if (id & (1 << (i + 10)))
+ oui |= 1 << (i ^ 7);
+
+ return oui;
+}
+
int mdio_clause45_reset_mmd(struct efx_nic *port, int mmd,
int spins, int spintime)
{