Forums - QCA9377-3 SDIO speed

2 posts / 0 new
Last post
QCA9377-3 SDIO speed
wolfram.wadepohl
Join Date: 8 Aug 19
Location: Metzingen
Posts: 7
Posted: Tue, 2022-05-31 02:26

Whats the reliable speed supported by QCA 9377-3? Its detected under Linux 5.10 as ultra high speed DDR50 device but there are sporadic issues with the communication. Which speed is safe to use?

  • Up0
  • Down0
ddeepakk Moderator
Join Date: 27 Jun 17
Posts: 144
Posted: Thu, 2022-06-09 11:00

Hi Wolfram,

QCA9377-3: Supports a low-power SDIO 3.0 interface for WLAN.

What's the error that you are seeing?

Could you try loading the driver with lower clock? 

#insmod wlan.ko mmcclock=50000000 

Above is command for 50 MHz. You may try lower values (30, 25, 20, 15 MHz) as well. 

 

 

Thanks.

  • Up0
  • Down0
or Register

Opinions expressed in the content posted here are the personal opinions of the original authors, and do not necessarily reflect those of Qualcomm Incorporated or its subsidiaries (“Qualcomm”). The content is provided for informational purposes only and is not meant to be an endorsement or representation by Qualcomm or any other party. This site may also provide links or references to non-Qualcomm sites and resources. Qualcomm makes no representations, warranties, or other commitments whatsoever about any non-Qualcomm sites or third-party resources that may be referenced, accessible from, or linked to this site.