Fork of reMarkable kernel https://github.com/reMarkable/linux
5d996d429f
Probably because of some issue we see on early version hardware, 200mhz pinctrl state for SDIO was disabled. Although the following access failure is seen with DDR50 mode, both SDR50 and SDR104 mode works pretty good on recent rM2 device. [ 122.957669] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x08000, err: -84 [ 122.965816] brcmfmac: brcmf_chip_recognition: chip backplane type 15 is not supported [ 122.973674] brcmfmac: brcmf_sdio_probe_attach: brcmf_chip_attach failed! [ 122.980381] brcmfmac: brcmf_sdio_probe: brcmf_sdio_probe_attach failed [ 122.987089] brcmfmac: brcmf_ops_sdio_probe: F2 error, probe failed -19... Add back 200mhz pinctrl state, so that AP5256 can work at SDR104 mode and provide a much better WIFI throughput. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.