Hi Randy,
On 04-11-20, 19:32, Randy Dunlap wrote:
> On 11/2/20 11:47 AM, kernel test robot wrote:
> > All errors (new ones prefixed by >>):
> >
> > or1k-linux-ld: drivers/soundwire/qcom.o: in function `qcom_swrm_probe':
> >>> drivers/soundwire/qcom.c:767: undefined reference to `slimbus_bus'
> >>> or1k-linux-ld: drivers/soundwire/qcom.c:771: undefined reference to `slimbus_bus'
> >
> > 09309093d5e8f87 Jonathan Marek 2020-09-08 770 #if IS_ENABLED(CONFIG_SLIMBUS)
> > 02efb49aa805cee Srinivas Kandagatla 2020-01-13 @771 if (dev->parent->bus == &slimbus_bus) {
> > 5bd773242f75da3 Jonathan Marek 2020-09-05 772 #else
> > 5bd773242f75da3 Jonathan Marek 2020-09-05 773 if (false) {
> > 5bd773242f75da3 Jonathan Marek 2020-09-05 774 #endif
>
> config SOUNDWIRE_QCOM
> tristate "Qualcomm SoundWire Master driver"
> imply SLIMBUS
> depends on SND_SOC
>
> The kernel config that was attached has:
> CONFIG_SOUNDWIRE_QCOM=y
> CONFIG_SLIMBUS=m
>
> I expected that "imply" would make SLIMBUS=y since SOUNDWIRE_QCOM=y,
> but I guess that's not the case. :(
>
> Any ideas about what to do here?
Sorry to have missed this earlier. I did some digging and found the
Kconfig code to be correct, but not the driver code. Per the
Documentation if we are using imply we should use IS_REACHABLE() rather
than IS_ENABLED.
This seems to take care of build failure for me on arm64 and x64 builds.
Can you confirm with below patch:
---><8---
From: Vinod Koul <vkoul@xxxxxxxxxx>
Date: Wed, 25 Nov 2020 11:15:22 +0530
Subject: [PATCH] soundwire: qcom: Fix build failure when slimbus is module
Commit 5bd773242f75 ("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
sued with imply.
Fixes: 5bd773242f75 ("soundwire: qcom: avoid dependency on CONFIG_SLIMBUS")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
---
drivers/soundwire/qcom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index fbca4ebf63e9..6d22df01f354 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -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) {
--
2.26.2
--
~Vinod
