upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-05-28 04:12:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Tweak a comment and a constant to restore old 30ms upper bound.

Browse source 
cs_readreg takes ~2us not ~1us to run.
This commit is contained in:
Warner Losh 2008-06-06 17:27:19 +00:00
parent 194dffc052
commit aa754333fc
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sys/dev/cs/if_cs.c
View file

@ -183,10 +183,10 @@ wait_eeprom_ready(struct cs_softc *sc)
* be fast. The datasheet suggests that clock out from the part
* per word will be on the order of 25us, which is consistant with
* the 1MHz serial clock and 16bits... We should never hit 100,
* let alone 30,000 here. The original code did an unconditional
* 30ms DELAY here. Bad Kharma.
* let alone 15,000 here. The original code did an unconditional
* 30ms DELAY here. Bad Kharma. cs_readreg takes ~2us.
*/
for (i = 0; i < 30000; i++) /* 30ms max */
for (i = 0; i < 15000; i++) /* 30ms max */
if (!(cs_readreg(sc, PP_SelfST) & SI_BUSY))
return (0);
return (1);