Re: [PATCH 4/5] soundwire: qcom: avoid dependency on CONFIG_SLIMBUS

From: Dmitry Baryshkov
Date: Thu Aug 27 2020 - 14:16:21 EST


On 08/06/2020 23:43, Jonathan Marek wrote:
The driver may be used without slimbus, so don't depend on slimbus.

Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
---
drivers/soundwire/Kconfig | 1 -
drivers/soundwire/qcom.c | 5 +++++
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig
index fa2b4ab92ed9..d121cf739090 100644
--- a/drivers/soundwire/Kconfig
+++ b/drivers/soundwire/Kconfig
@@ -33,7 +33,6 @@ config SOUNDWIRE_INTEL
config SOUNDWIRE_QCOM
tristate "Qualcomm SoundWire Master driver"
- depends on SLIMBUS

I'd suggest:
depends on SLIMBUS || !SLIMBUS #if SLIMBUS=m, this can not be builtin

This would allow building both SLIMBUS and SOUNDWIRE_QCOM as modules

depends on SND_SOC
help
SoundWire Qualcomm Master driver.
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 14334442615f..ac81c64768ea 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -769,13 +769,18 @@ static int qcom_swrm_probe(struct platform_device *pdev)
if (!ctrl)
return -ENOMEM;
+#ifdef CONFIG_SLIMBUS

and then #if IS_ENABLED(CONFIG_SLIBMUS) here

if (dev->parent->bus == &slimbus_bus) {
+#else
+ if (false) {
+#endif
ctrl->reg_read = qcom_swrm_ahb_reg_read;
ctrl->reg_write = qcom_swrm_ahb_reg_write;
ctrl->regmap = dev_get_regmap(dev->parent, NULL);
if (!ctrl->regmap)
return -EINVAL;
} else {
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctrl->reg_read = qcom_swrm_cpu_reg_read;



--
With best wishes
Dmitry