On Tue, Aug 29, 2023 at 07:06:29AM -0700, Guenter Roeck wrote: > On Fri, Aug 04, 2023 at 11:45:59AM +0100, Charles Keepax wrote: > > The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface > > (Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed > > for portable applications. It provides a high dynamic range, stereo > > DAC for headphone output, two integrated Class D amplifiers for > > loudspeakers, and two ADCs for wired headset microphone input or > > stereo line input. PDM inputs are provided for digital microphones. > > > > The MFD component registers and initialises the device and provides > > PM/system power management. > > > Unfortunately, on systems without pm support: > > Building s390:allmodconfig ... failed > -------------- > Error log: > drivers/mfd/cs42l43.c:1138:12: error: 'cs42l43_runtime_resume' defined but not used [-Werror=unused-function] > 1138 | static int cs42l43_runtime_resume(struct device *dev) > | ^~~~~~~~~~~~~~~~~~~~~~ > drivers/mfd/cs42l43.c:1124:12: error: 'cs42l43_runtime_suspend' defined but not used [-Werror=unused-function] > 1124 | static int cs42l43_runtime_suspend(struct device *dev) > | ^~~~~~~~~~~~~~~~~~~~~~~ > drivers/mfd/cs42l43.c:1106:12: error: 'cs42l43_resume' defined but not used [-Werror=unused-function] > 1106 | static int cs42l43_resume(struct device *dev) > | ^~~~~~~~~~~~~~ > drivers/mfd/cs42l43.c:1076:12: error: 'cs42l43_suspend' defined but not used [-Werror=unused-function] > 1076 | static int cs42l43_suspend(struct device *dev) > This patch now made it into the mainline kernel (without fix) and breaks various builds there. Guenter
