From 2734248c1de9552653b4af39fd65920d61f33784 Mon Sep 17 00:00:00 2001 From: yongari Date: Mon, 8 Dec 2008 02:48:41 +0000 Subject: Reduce spin wait time consumed in GMII register access routines. Waiting for 1ms for each GMII register access looks overkill and it may also decrease overall performance of driver because re(4) invokes mii_tick for every hz. Tested by: rpaulo --- sys/dev/re/if_re.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'sys/dev/re/if_re.c') diff --git a/sys/dev/re/if_re.c b/sys/dev/re/if_re.c index 8b898f8..e93dff0 100644 --- a/sys/dev/re/if_re.c +++ b/sys/dev/re/if_re.c @@ -417,13 +417,12 @@ re_gmii_readreg(device_t dev, int phy, int reg) } CSR_WRITE_4(sc, RL_PHYAR, reg << 16); - DELAY(1000); for (i = 0; i < RL_TIMEOUT; i++) { + DELAY(30); rval = CSR_READ_4(sc, RL_PHYAR); if (rval & RL_PHYAR_BUSY) break; - DELAY(100); } if (i == RL_TIMEOUT) { @@ -445,13 +444,12 @@ re_gmii_writereg(device_t dev, int phy, int reg, int data) CSR_WRITE_4(sc, RL_PHYAR, (reg << 16) | (data & RL_PHYAR_PHYDATA) | RL_PHYAR_BUSY); - DELAY(1000); for (i = 0; i < RL_TIMEOUT; i++) { + DELAY(30); rval = CSR_READ_4(sc, RL_PHYAR); if (!(rval & RL_PHYAR_BUSY)) break; - DELAY(100); } if (i == RL_TIMEOUT) { -- cgit v1.1