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soundwire: qcom: Fix build failure when slimbus is module 

Commit 5bd773242f ("soundwire: qcom: avoid dependency on
CONFIG_SLIMBUS") removed hard dependency on Slimbus for qcom driver but
it results in build failure when: CONFIG_SOUNDWIRE_QCOM=y
CONFIG_SLIMBUS=m

drivers/soundwire/qcom.o: In function `qcom_swrm_probe':
qcom.c:(.text+0xf44): undefined reference to `slimbus_bus'

Fix this by using IS_REACHABLE() in driver which is recommended to be
used with imply.

Fixes: 5bd773242f ("soundwire: qcom: avoid dependency on CONFIG_SLIMBUS")
Reported-by: kernel test robot <lkp@intel.com>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20201125055155.GD8403@vkoul-mobl
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2020-11-25 11:21:55 +05:30
parent 47b8520997
commit 47edc0104c
1 changed files with 1 additions and 1 deletions
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2
drivers/soundwire/qcom.c
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@ -799,7 +799,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
data = of_device_get_match_data(dev);
ctrl->rows_index = sdw_find_row_index(data->default_rows);
ctrl->cols_index = sdw_find_col_index(data->default_cols);
#if IS_ENABLED(CONFIG_SLIMBUS)
#if IS_REACHABLE(CONFIG_SLIMBUS)
if (dev->parent->bus == &slimbus_bus) {
#else
if (false) {