Messages in this thread | | | Date | Mon, 30 Nov 2015 13:51:56 +0100 | Subject | Re: [PATCH] staging: ste_rmi4: avoid unused function warnings | From | Linus Walleij <> |
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On Fri, Nov 20, 2015 at 10:59 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> The rmi4 touchscreen driver encloses the power-management > functions in #ifdef CONFIG_PM, but the smtcfb_pci_suspend/resume > functions are only really used when CONFIG_PM_SLEEP is also > set, as a frequent gcc warning shows: > > ste_rmi4/synaptics_i2c_rmi4.c:1050:12: warning: 'synaptics_rmi4_suspend' defined but not used > ste_rmi4/synaptics_i2c_rmi4.c:1084:12: warning: 'synaptics_rmi4_resume' defined but not used > > This changes the driver to remove the #ifdef and instead mark > the functions as __maybe_unused, which is a nicer anyway, as it > provides build testing for all the code in all configurations > and is harder to get wrong. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Yours, Linus Walleij
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