diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2009-02-27 16:07:15 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-02 14:15:04 +0300 |
| commit | 3f39a5e9bff000025c2679101b4f83e4fc21dbba (patch) | |
| tree | b5a9632720383e3309e170da6c38f6468dbfd5ee /drivers/net/sfc | |
| parent | f794fd440066ccd7d601f405f80aa514b95f15d1 (diff) | |
| download | linux-3f39a5e9bff000025c2679101b4f83e4fc21dbba.tar.xz | |
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>
Diffstat (limited to 'drivers/net/sfc')
| -rw-r--r-- | drivers/net/sfc/mdio_10g.c | 15 | ||||
| -rw-r--r-- | drivers/net/sfc/mdio_10g.h | 8 | ||||
| -rw-r--r-- | drivers/net/sfc/xfp_phy.c | 6 |
3 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c index 4462fb58a3a9..9f5ec3eb3418 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) { diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h index 8ba49773ce7e..7014d2279c20 100644 --- a/drivers/net/sfc/mdio_10g.h +++ b/drivers/net/sfc/mdio_10g.h @@ -70,10 +70,10 @@ #define MDIO_MMDREG_STAT1_LPABLE_LBN (1) #define MDIO_MMDREG_STAT1_LPABLE_WIDTH (1) -/* Bits in ID reg */ -#define MDIO_ID_REV(_id32) (_id32 & 0xf) -#define MDIO_ID_MODEL(_id32) ((_id32 >> 4) & 0x3f) -#define MDIO_ID_OUI(_id32) (_id32 >> 10) +/* Bits in combined ID regs */ +static inline unsigned mdio_id_rev(u32 id) { return id & 0xf; } +static inline unsigned mdio_id_model(u32 id) { return (id >> 4) & 0x3f; } +extern unsigned mdio_id_oui(u32 id); /* Bits in MMDREG_DEVS0/1. Someone thoughtfully layed things out * so the 'bit present' bit number of an MMD is the number of diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c index 5d1c7f800007..2df467d28064 100644 --- a/drivers/net/sfc/xfp_phy.c +++ b/drivers/net/sfc/xfp_phy.c @@ -88,9 +88,9 @@ static int xfp_phy_init(struct efx_nic *efx) return -ENOMEM; efx->phy_data = phy_data; - EFX_INFO(efx, "PHY ID reg %x (OUI %x model %x revision %x)\n", - devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid), - MDIO_ID_REV(devid)); + EFX_INFO(efx, "PHY ID reg %x (OUI %06x model %02x revision %x)\n", + devid, mdio_id_oui(devid), mdio_id_model(devid), + mdio_id_rev(devid)); phy_data->phy_mode = efx->phy_mode; |