diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2013-02-12 23:14:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-02-13 13:58:18 -0500 |
| commit | 217a55a338262521d5106dafda2fe7bfff6583be (patch) | |
| tree | 4845cb6ee3ebf888c29e7d522c6e65489ed4fbd2 /drivers/net/ethernet/broadcom/bgmac.c | |
| parent | 9e9ff4b766e25624198b623fe3eda0b3e6c669cd (diff) | |
| download | lwn-217a55a338262521d5106dafda2fe7bfff6583be.tar.gz lwn-217a55a338262521d5106dafda2fe7bfff6583be.zip | |
bgmac: return error on failed PHY write
Some callers may want to know if PHY write succeed. Also make PHY
functions static, they are not exported anywhere.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 7bc8017ccf47..52d9a544c8ca 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -535,7 +535,7 @@ static void bgmac_dma_init(struct bgmac *bgmac) * PHY ops **************************************************/ -u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg) +static u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg) { struct bcma_device *core; u16 phy_access_addr; @@ -584,7 +584,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg) } /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */ -void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value) +static int bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value) { struct bcma_device *core; u16 phy_access_addr; @@ -617,9 +617,13 @@ void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value) tmp |= value; bcma_write32(core, phy_access_addr, tmp); - if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) + if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) { bgmac_err(bgmac, "Writing to PHY %d register 0x%X failed\n", phyaddr, reg); + return -ETIMEDOUT; + } + + return 0; } /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */ |