Defined in 3 files as a config:

• arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series, line 178 (as a config)
• boards/x86/arduino_101/Kconfig.defconfig, line 57 (as a config)
• drivers/spi/Kconfig, line 116 (as a config)

Referenced in 4 files:

• drivers/spi/spi_dw.c, line 456
• drivers/spi/spi_intel.c, line 485
• drivers/spi/spi_qmsi.c, line 356
• drivers/spi/spi_qmsi_ss.c, line 332