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sdio_uart is an SDIO function driver, not part of the MMC/SDIO core.
Keeping it in drivers/mmc/core/ is misplaced: it registers to the SDIO
bus (sdio_register_driver) and only uses the public SDIO API from
include/linux/mmc/, with no dependency on any mmc core internals.
Other SDIO function drivers live under their respective functional
subsystem, e.g. the SDIO WiFi drivers are under drivers/net/wireless/.
sdio_uart should likewise be placed under its functional subsystem, tty,
just like the PCIe and I2C/SPI transport drivers (men_z135_uart,
sc16is7xx, max310x) that live under drivers/tty/serial/.
Historically almost all changes to this driver were tty API changes
(e.g. tty_operations adjustments, alloc_tty_driver removal), yet
scripts/get_maintainer.pl never listed the TTY maintainers while the
file lived under drivers/mmc/core/. Moving it under drivers/tty/serial/
makes get_maintainer.pl report the proper TTY/serial maintainers and
reviewers, which benefits future maintenance of this driver.
No functional change. The CONFIG_SDIO_UART symbol is intentionally kept
unchanged to avoid breaking existing configs; the dependency is updated
to 'TTY && MMC' accordingly.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://patch.msgid.link/1791626517-18161-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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