Hi Randy,
After analyzing this it became clear that the I2C_ALGOBIT select was bogus
since this driver doesn't use i2c at all. I've posted a new patch fixing that.
Thanks,
Hans
On 10/06/2014 07:05 PM, Randy Dunlap wrote:
From: Randy Dunlap rdun...@infradead.org
Fix build errors and kconfig warning: since 'select' does not check
Kconfig symbol dependencies, add that dependency explicitly.
VIDEO_TW68 selects I2C_ALGOBIT, so it should depend on I2C to
prevent build errors and warnings.
warning: (CAN_PEAK_PCIEC SFC IGB VIDEO_TW68 DRM FB_DDC
FB_VIA) selects I2C_ALGOBIT which has unmet direct dependencies (I2C)
CC [M] drivers/i2c/algos/i2c-algo-bit.o
../drivers/i2c/algos/i2c-algo-bit.c: In function 'i2c_bit_add_bus':
../drivers/i2c/algos/i2c-algo-bit.c:658:33: error: 'i2c_add_adapter' undeclared
(first use in this function)
../drivers/i2c/algos/i2c-algo-bit.c:658:33: note: each undeclared identifier is
reported only once for each function it appears in
../drivers/i2c/algos/i2c-algo-bit.c: In function 'i2c_bit_add_numbered_bus':
../drivers/i2c/algos/i2c-algo-bit.c:664:33: error: 'i2c_add_numbered_adapter'
undeclared (first use in this function)
../drivers/i2c/algos/i2c-algo-bit.c: In function 'i2c_bit_add_bus':
../drivers/i2c/algos/i2c-algo-bit.c:659:1: warning: control reaches end of
non-void function [-Wreturn-type]
../drivers/i2c/algos/i2c-algo-bit.c: In function 'i2c_bit_add_numbered_bus':
../drivers/i2c/algos/i2c-algo-bit.c:665:1: warning: control reaches end of
non-void function [-Wreturn-type]
Signed-off-by: Randy Dunlap rdun...@infradead.org
Cc: Hans Verkuil hverk...@xs4all.nl
---
drivers/media/pci/tw68/Kconfig |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20141001.orig/drivers/media/pci/tw68/Kconfig
+++ linux-next-20141001/drivers/media/pci/tw68/Kconfig
@@ -1,6 +1,6 @@
config VIDEO_TW68
tristate Techwell tw68x Video For Linux
- depends on VIDEO_DEV PCI VIDEO_V4L2
+ depends on VIDEO_DEV PCI VIDEO_V4L2 I2C
select I2C_ALGOBIT
select VIDEOBUF2_DMA_SG
---help---
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