Hi! > From: Tony Lindgren <tony@xxxxxxxxxxx> > > [ Upstream commit 11ef6bc846dcdce838f0b00c5f6a562c57e5d43b ] > > At least on wl12xx, reading the MAC after boot can fail with a warning > at drivers/net/wireless/ti/wlcore/sdio.c:78 wl12xx_sdio_raw_read. > The failed call comes from wl12xx_get_mac() that wlcore_nvs_cb() calls > after request_firmware_work_func(). > +++ b/drivers/net/wireless/ti/wl12xx/main.c > @@ -1503,6 +1503,13 @@ static int wl12xx_get_fuse_mac(struct wl1271 *wl) > u32 mac1, mac2; > int ret; > > + /* Device may be in ELP from the bootloader or kexec */ > + ret = wlcore_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); > + if (ret < 0) > + goto out; > + > + usleep_range(500000, 700000); > + While this probably improves things.... I don't believe delaying boot by extra 200msec is good idea. This should simply be msleep(500), AFAICT. Best regards, Pavel -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Attachment:
signature.asc
Description: Digital signature
