intel / edison-linux

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Wifi issue is related to the new broadcom driver. #15

Closed sunxiaohuix closed 8 years ago

sunxiaohuix commented 8 years ago

I tested with

ifconfig wlan0 up

ifconfig wlan0 down

ifconfig wlan0 up

SIOCSIFFLAGS: Operation not permitted

And with the kernel log: [ 122.208362] wl_android_wifi_on in [ 122.208381] wifi_platform_set_power = 1 [ 122.496787] bcmsdh_sdmmc: Failed to enable F1 Err: 0xffffffc2dhdsdio_probe: ChipClkCSR access: err 0 wrote 0x28 read 0x00 (1) [ 122.575153] dhdsdio_probe: ChipClkCSR access: err 0 wrote 0x28 read 0x00 (2) [ 122.645215] dhdsdio_probe: ChipClkCSR access: err 0 wrote 0x28 read 0x00 (3) [ 122.697165] dhd_net_bus_devreset: dhd_bus_devreset: -35 [ 122.697203] [ 122.697203] Retry WIFI ON procedure (1)

dennisjobrien commented 8 years ago

The following commit fixes this issue:

commit c2f5a9e55510497f8b243a7ca9ccde9dbd52f052 Author: Mark Wattier mark.wattier@eqware.net Date: Tue May 10 14:12:17 2016 -0700

mmc: sdhci: Disable regulator during power off

Change sdhci_set_power to correctly call mmc_regulator_set_ocr to
disable the regulator when power is being turned off.

Please update the meta-edison-bsp/recipes-kernel/linux/linux-yocto-edison.bb with the above commit # and rebuild. Please retest and let us know if this fixes the issue for you.

sunxiaohuix commented 8 years ago

The issue has been fixed.

dennisjobrien commented 8 years ago

Closed this issue.