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If CONFIG_TYPEC_HD3SS3220=y, CONFIG_USB_ROLE_SWITCH=m, below errors
can be found:
drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_remove':
hd3ss3220.c:(.text+0x64): undefined reference to `usb_role_switch_put'
drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_dr_set':
hd3ss3220.c:(.text+0x154): undefined reference to `usb_role_switch_set_role'
drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_set_role':
hd3ss3220.c:(.text+0x294): undefined reference to `usb_role_switch_set_role'
hd3ss3220.c:(.text+0x2f4): undefined reference to `usb_role_switch_set_role'
hd3ss3220.c:(.text+0x348): undefined reference to `usb_role_switch_set_role'
hd3ss3220.c:(.text+0x390): undefined reference to `usb_role_switch_set_role'
drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_probe':
hd3ss3220.c:(.text+0x5e8): undefined reference to `fwnode_usb_role_switch_get'
hd3ss3220.c:(.text+0x8a4): undefined reference to `usb_role_switch_put'
make: *** [vmlinux] Error 1
This patch add dependency USB_ROLE_SWITCH for TYPEC_HD3SS3220.
Fixes: 1c48c759ef ("usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Link: https://lore.kernel.org/r/20191009014707.38716-1-maowenan@huawei.com
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.