The driver can be compile tested with !CONFIG_OF making certain data unused:
sound/soc/rockchip/rockchip_i2s.c:569:34: warning: ‘rockchip_i2s_match’ defined but not used [-Wunused-const-variable=] sound/soc/rockchip/rockchip_pdm.c:463:34: warning: ‘rockchip_pdm_match’ defined but not used [-Wunused-const-variable=] sound/soc/rockchip/rockchip_spdif.c:44:34: warning: ‘rk_spdif_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/rockchip/rockchip_i2s.c | 2 +- sound/soc/rockchip/rockchip_pdm.c | 2 +- sound/soc/rockchip/rockchip_spdif.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 593299675b8c..eae287d905eb 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -566,7 +566,7 @@ static const struct rk_i2s_pins rk3399_i2s_pins = { .shift = 11, };
-static const struct of_device_id rockchip_i2s_match[] = { +static const struct of_device_id rockchip_i2s_match[] __maybe_unused = { { .compatible = "rockchip,rk3066-i2s", }, { .compatible = "rockchip,rk3188-i2s", }, { .compatible = "rockchip,rk3288-i2s", }, diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c index 5adb293d0435..e5f732747f71 100644 --- a/sound/soc/rockchip/rockchip_pdm.c +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -460,7 +460,7 @@ static const struct regmap_config rockchip_pdm_regmap_config = { .cache_type = REGCACHE_FLAT, };
-static const struct of_device_id rockchip_pdm_match[] = { +static const struct of_device_id rockchip_pdm_match[] __maybe_unused = { { .compatible = "rockchip,pdm", .data = (void *)RK_PDM_RK3229 }, { .compatible = "rockchip,px30-pdm", diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c index 674810851fbc..ffb4ec306441 100644 --- a/sound/soc/rockchip/rockchip_spdif.c +++ b/sound/soc/rockchip/rockchip_spdif.c @@ -41,7 +41,7 @@ struct rk_spdif_dev { struct regmap *regmap; };
-static const struct of_device_id rk_spdif_match[] = { +static const struct of_device_id rk_spdif_match[] __maybe_unused = { { .compatible = "rockchip,rk3066-spdif", .data = (void *)RK_SPDIF_RK3066 }, { .compatible = "rockchip,rk3188-spdif",