mfd: wm831x-i2c: Make it explicitly non-modular
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config MFD_WM831X_I2C drivers/mfd/Kconfig: bool "Wolfson Microelectronics WM831x/2x PMICs with I2C" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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