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i.MX35 SDIO to WiFi

Question asked by tbran on Jul 15, 2014
Latest reply on Jul 18, 2014 by tbran

I've got a board running an i.MX357 and I'm trying to interface to a BlueGiga WF111 WiFi module over SDIO. The driver for the WiFi card fails to initialize in a way that BlueGiga tech support believes has to be due to a multiblock transfer bug in the SDIO driver. I'm running the 2.6.31-imx kernel and the Freescale mx_sdhci driver for the SDHC. When comparing this driver to others known to have this issue, it seems likely that this one has that issue as well. Later versions of the mainline kernel have better drivers that do not exhibit this behavior, but as far as I can tell, LTIB/Freescale doesn't have support for running a newer kernel than 2.6.31 on the i.MX35 (Correct me if I'm wrong). Has anyone had a similar issue/found a workaround?