It makes not sense: the whether the PIO PCM extension is used is
hardcoded to the designware_i2s driver and designware_pcm doesn't
have any module metadata, causing a kernel taint:
[ 44.287000] designware_pcm: module license 'unspecified' taints kernel.
Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
sound/soc/dwc/Kconfig | 4 ++--
sound/soc/dwc/Makefile | 6 +++++-
sound/soc/dwc/{designware_i2s.c => designware_i2s_main.c} | 2 +-
sound/soc/dwc/{designware_pcm.c => designware_i2s_pcm.c} | 2 +-
4 files changed, 9 insertions(+), 5 deletions(-)
rename sound/soc/dwc/{designware_i2s.c => designware_i2s_main.c} (99%)
rename sound/soc/dwc/{designware_pcm.c => designware_i2s_pcm.c} (99%)
diff --git a/sound/soc/dwc/Kconfig b/sound/soc/dwc/Kconfig
index c297efe..704b7b2 100644
--- a/sound/soc/dwc/Kconfig
+++ b/sound/soc/dwc/Kconfig
@@ -8,10 +8,10 @@ config SND_DESIGNWARE_I2S
maximum of 8 channels each for play and record.
config SND_DESIGNWARE_PCM
- tristate "PCM PIO extension for I2S driver"
+ bool "PCM PIO extension for I2S driver"
depends on SND_DESIGNWARE_I2S
help
- Say Y, M or N if you want to add a custom ALSA extension that registers
+ Say Y if you want to add a custom ALSA extension that registers
a PCM and uses PIO to transfer data.
This functionality is specially suited for I2S devices that don't have
diff --git a/sound/soc/dwc/Makefile b/sound/soc/dwc/Makefile
index 38f1ca3..05c594f 100644
--- a/sound/soc/dwc/Makefile
+++ b/sound/soc/dwc/Makefile
@@ -1,5 +1,9 @@
# SYNOPSYS Platform Support
+
obj-$(CONFIG_SND_DESIGNWARE_I2S) += designware_i2s.o
+
+designware_i2s-objs := designware_i2s_main.o
+
ifdef CONFIG_SND_DESIGNWARE_PCM
-obj-$(CONFIG_SND_DESIGNWARE_I2S) += designware_pcm.o
+designware_i2s-objs += designware_i2s_pcm.o
endif
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s_main.c
similarity index 99%
rename from sound/soc/dwc/designware_i2s.c
rename to sound/soc/dwc/designware_i2s_main.c
index bdf8398..23c2212 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s_main.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC Synopsys I2S Audio Layer
*
- * sound/soc/dwc/designware_i2s.c
+ * sound/soc/dwc/designware_i2s_main.c
*
* Copyright (C) 2010 ST Microelectronics
* Rajeev Kumar <rajeevkumar.linux@xxxxxxxxx>
diff --git a/sound/soc/dwc/designware_pcm.c b/sound/soc/dwc/designware_i2s_pcm.c
similarity index 99%
rename from sound/soc/dwc/designware_pcm.c
rename to sound/soc/dwc/designware_i2s_pcm.c
index 4a83a22..27664e2 100644
--- a/sound/soc/dwc/designware_pcm.c
+++ b/sound/soc/dwc/designware_i2s_pcm.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC Synopsys PIO PCM for I2S driver
*
- * sound/soc/dwc/designware_pcm.c
+ * sound/soc/dwc/designware_i2s_pcm.c
*
* Copyright (C) 2016 Synopsys
* Jose Abreu <joabreu@xxxxxxxxxxxx>
--
2.9.3
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