git: 03d4b58feee3 - main - iwn: adjust EEPROM read timeout for Intel 4965AGN M2
Mark Johnston
markj at FreeBSD.org
Sun Jun 6 20:45:15 UTC 2021
The branch main has been updated by markj:
URL: https://cgit.FreeBSD.org/src/commit/?id=03d4b58feee396d392668f192ecdde08ecc8036c
commit 03d4b58feee396d392668f192ecdde08ecc8036c
Author: Radosław Chmielarz <radoslaw.chmielarz at emersi.eu>
AuthorDate: 2021-06-06 20:42:10 +0000
Commit: Mark Johnston <markj at FreeBSD.org>
CommitDate: 2021-06-06 20:44:47 +0000
iwn: adjust EEPROM read timeout for Intel 4965AGN M2
Reading EEPROM from Intel 4965AGN M2 takes 60 us which was causing panic
on system startup.
PR: 255465
Reviewed by: markj
MFC after: 1 week
---
sys/dev/iwn/if_iwn.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sys/dev/iwn/if_iwn.c b/sys/dev/iwn/if_iwn.c
index b07b52cbea7c..4191fb340a03 100644
--- a/sys/dev/iwn/if_iwn.c
+++ b/sys/dev/iwn/if_iwn.c
@@ -1688,13 +1688,13 @@ iwn_read_prom_data(struct iwn_softc *sc, uint32_t addr, void *data, int count)
addr += sc->prom_base;
for (; count > 0; count -= 2, addr++) {
IWN_WRITE(sc, IWN_EEPROM, addr << 2);
- for (ntries = 0; ntries < 10; ntries++) {
+ for (ntries = 0; ntries < 20; ntries++) {
val = IWN_READ(sc, IWN_EEPROM);
if (val & IWN_EEPROM_READ_VALID)
break;
DELAY(5);
}
- if (ntries == 10) {
+ if (ntries == 20) {
device_printf(sc->sc_dev,
"timeout reading ROM at 0x%x\n", addr);
return ETIMEDOUT;
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