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TMIO_MMC_WRPROTECT_DISABLE is equivalent to MMC_CAP2_NO_WRITE_PROTECT.
The flag is propagated as follows:
renesas_sdhi_of_data::capabilities2
-> tmio_mmc_data::capabilities2
-> mmc_host::caps2
Only the difference is the TMIO_... makes tmio_mmc_get_ro() return 0
(i.e. it does not affect mmc_gpio_get_ro() at all), while MMC_CAP2_...
returns 0 before calling ->get_ro() hook (i.e. it affects both IP own
logic and GPIO detection).
The TMIO MMC drivers do not set-up gpio_ro by themselves. Only the
possibility, if any, would be DT specifies "wp-gpios" property, and
gpio_ro is set by mmc_gpiod_request_ro() called from mmc_of_parse().
However, it does not make sense to specify "wp-gpios" property and
TMIO_MMC_WRPROTECT_DISABLE at the same time.
I checked under arch/arm/boot/dts/ and arch/arm64/boot/dts/renesas/,
and I did not see any Renesas boards with "wp-gpios". So, this
conversion should be safe.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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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.