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commit1ed5c3b22fupstream. The core issues the warning "drop HS400 support since no 8-bit bus" when one of the ESDHC_FLAG_HS400* flags is set on a non 8bit capable host. To avoid this warning set these flags only on hosts that actually can do 8bit, i.e. have bus-width = <8> set in the device tree. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Haibo Chen <haibo.chen@nxp.com> Fixes:029e2476f9("mmc: sdhci-esdhc-imx: add HS400_ES support for i.MX8QXP") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20221013093248.2220802-1-s.hauer@pengutronix.de Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.