Return-path: Received: from mout.gmx.net ([212.227.15.19]:51358 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428AbdIBHOC (ORCPT ); Sat, 2 Sep 2017 03:14:02 -0400 Subject: Re: Problem with the wifi To: Arend van Spriel , Larry Finger Cc: linux-wireless References: <00515b4a-5949-3746-db71-6b2b8a82dd1a@gmx.com> <593b1d88-25fa-5d99-b74e-8e0c535243e1@broadcom.com> From: Paolo Bettini Message-ID: <28ead48e-0c75-4b32-275b-9b23f772a636@gmx.com> (sfid-20170902_091439_902420_FD54BB7C) Date: Sat, 2 Sep 2017 09:13:50 +0200 MIME-Version: 1.0 In-Reply-To: <593b1d88-25fa-5d99-b74e-8e0c535243e1@broadcom.com> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Arend van Spriel ha scritto: > On 09-08-17 18:40, Larry Finger wrote: >> On 08/08/2017 04:10 AM, Arend van Spriel wrote: >>> + linux-wireless >>> + Larry >>> >>> please keep linux-wireless in this thread. >>> >>> On 08-08-17 08:21, Paolo Bettini wrote: >>>> Arend van Spriel ha scritto: >>>>> + linux-wireless On 07-08-17 21:38, Paolo Bettini wrote: >>>>>> Hi , i am Paolo and i installed Debian stretch on my ezbook2 . One >>>>>> problem is the wifi , the card a SDIO device , seems to be 02d0:a9a6 >>>>>> linux id or Broadcom AP6212 for windows....i installed deb package >>>>>> firmware-brcm80211 and nvram sdio txt in /lib/firmware/brcm, >>>>>> reloaded >>>>>> bcrmfmac module but nothing the card seems invisible or dead i don't >>>>>> know if is a problem of firmware or my system cannot detect the sdio >>>>>> card ...do you know something about this problematic ? >>>>> As always a kernel log could help or output from dmesg command. Also >>>>> can you run following commands: $ ls /sys/bus/sdio/devices $ cat >>>>> /sys/bus/sdio/devices/*/modalias Regards, Arend >>>> paolo@paolo:~$ ls /sys/bus/sdio/devices >>>> mmc1:0001:1 >>>> paolo@paolo:~$ >>>> >>>> >>>> paolo@paolo:~$ cat /sys/bus/sdio/devices/*/modalias sdio:c07v024CdB723 >>>> paolo@paolo:~$ sorry for previous mail ....ls was from another >>>> pc....:-[ >>>> it seems the system see only the card where the system is installed >>> >>> Hi Paolo, >>> >>> Interesting. Now if Google search is correct the vendor id for this >>> device indicates this is a Realtek (v024C) WLAN (c07) device. So what >>> makes you say its linux id is 02d0:a9a6? >>> >>> In upstream linux I do not see any SDIO device drivers in realtek >>> folder. Maybe Larry can provide clue/hint if a driver for this >>> device is >>> publicly available somewhere. >> >> Paolo, >> >> The only Realtek SDIO device in common distribution is the RTL8723BS, >> which has been packaged with some Intel processors, and may now be >> part of other SBC's. This driver has been in staging since V4.12. It >> handles SDIO Vendor code 0x024c with device codes 0x0523, 0x0623, >> 0x0626, and 0xb723. If your device is one of these, then you only >> need to build a kernel with this driver enabled. > > He has device id 0xb723: > > paolo@paolo:~$ cat /sys/bus/sdio/devices/*/modalias sdio:c07v024CdB723 > > So that driver should at least try to probe his device. > > Regards, > Arend > I built my own kernel in the debian way , very simple and amusing , i removed some modules not interesting , i set to M rtl8723bs and all ok !!! only a bit long the building with my dual core ,The bluetooth needs rtk_hciattach of Larry Finger , however strange the new debian kernels above all 4.13rc have not set rtl8723bs module. Best regards rtk_hciattach