On 27-07-16 00:35, Fabio Estevam wrote: > Hi, > > On a imx6sl-warp board with a brcm4330 I get the following results > depending on the kernel version: > > - Kernel 4.4.15: place brcmfmac4330-sdio.bin and brcmfmac4330-sdio.txt > in the rootfs and the kernel is able to read them correctly. wlan0 is > present. All is fine. > > - Kernel 4.5.7: place brcmfmac4330-sdio.bin brcmfmac4330-sdio.txt in > the rootfs and the kernel fails to load them: > > brcmfmac mmc1:0001:1: Direct firmware load for > brcm/brcmfmac4330-sdio.bin failed with error -2 > > Then I build brcmfmac4330-sdio.bin brcmfmac4330-sdio.txt into the > kernel and then firmware is detected and wlan0 appears. > > - Kernel 4.7: I can place the firmware and nvram file into the rootfs > or built-i and the following error is seen: > > brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 > brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 > brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 > > So wlan0 never appears here. > > Does anyone have any suggestions about these different behaviours? So for all kernel you have brcmfmac built-in the kernel or as a module? Regards, Arend > Thanks, > > Fabio Estevam > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html