diff options
author | Arnd Bergmann <arnd@arndb.de> | 2016-01-26 12:09:58 -0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-25 11:03:48 +0100 |
commit | 7a06f431f9974dd4e461fec60ee19ec8e14dd6c1 (patch) | |
tree | 4a7335a2348350ab399c5f91f9fbc962942fd786 /drivers | |
parent | 5bef71a69fb57e73ccf300cc6f609f18336ae9c7 (diff) |
b2c2: flexcop: avoid unused function warnings
commit 733d0def3ebdd1d088330d904149af21fa4b9ae2 upstream.
The flexcop driver has two functions that are normally used, except
when multiple frontend drivers are disabled:
drivers/media/common/b2c2/flexcop-fe-tuner.c:42:12: warning: 'flexcop_set_voltage' defined but not used [-Wunused-function]
drivers/media/common/b2c2/flexcop-fe-tuner.c:71:12: warning: 'flexcop_sleep' defined but not used [-Wunused-function]
This avoids the build warning by updating the #ifdef for flexcop_set_voltage
to the exact condition under which it is used. For flexcop_sleep, the
condition is rather complex, so I resort to marking it as __maybe_unused,
so the compiler can silently drop it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/common/b2c2/flexcop-fe-tuner.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/common/b2c2/flexcop-fe-tuner.c b/drivers/media/common/b2c2/flexcop-fe-tuner.c index 9c59f4306883..f5956402fc69 100644 --- a/drivers/media/common/b2c2/flexcop-fe-tuner.c +++ b/drivers/media/common/b2c2/flexcop-fe-tuner.c @@ -38,7 +38,7 @@ static int flexcop_fe_request_firmware(struct dvb_frontend *fe, #endif /* lnb control */ -#if FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299) +#if (FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)) && FE_SUPPORTED(PLL) static int flexcop_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { @@ -68,7 +68,7 @@ static int flexcop_set_voltage(struct dvb_frontend *fe, #endif #if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312) -static int flexcop_sleep(struct dvb_frontend* fe) +static int __maybe_unused flexcop_sleep(struct dvb_frontend* fe) { struct flexcop_device *fc = fe->dvb->priv; if (fc->fe_sleep) |