soundwire: intel_init: remove sdw_intel_enable_irq()

The functionality is implemented with per-chip callbacks, there are no
users of this symbol, remove the code.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20221111042653.45520-7-yung-chuan.liao@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/soundwire/intel_init.c

@@ -125,30 +125,6 @@ static int sdw_intel_cleanup(struct sdw_intel_ctx *ctx)
 	return 0;
 }
 
-#define HDA_DSP_REG_ADSPIC2             (0x10)
-#define HDA_DSP_REG_ADSPIS2             (0x14)
-#define HDA_DSP_REG_ADSPIC2_SNDW        BIT(5)
-
-/**
- * sdw_intel_enable_irq() - enable/disable Intel SoundWire IRQ
- * @mmio_base: The mmio base of the control register
- * @enable: true if enable
- */
-void sdw_intel_enable_irq(void __iomem *mmio_base, bool enable)
-{
-	u32 val;
-
-	val = readl(mmio_base + HDA_DSP_REG_ADSPIC2);
-
-	if (enable)
-		val |= HDA_DSP_REG_ADSPIC2_SNDW;
-	else
-		val &= ~HDA_DSP_REG_ADSPIC2_SNDW;
-
-	writel(val, mmio_base + HDA_DSP_REG_ADSPIC2);
-}
-EXPORT_SYMBOL_NS(sdw_intel_enable_irq, SOUNDWIRE_INTEL_INIT);
-
 irqreturn_t sdw_intel_thread(int irq, void *dev_id)
 {
 	struct sdw_intel_ctx *ctx = dev_id;

include/linux/soundwire/sdw_intel.h

@@ -286,8 +286,6 @@ int sdw_intel_startup(struct sdw_intel_ctx *ctx);
 
 void sdw_intel_exit(struct sdw_intel_ctx *ctx);
 
-void sdw_intel_enable_irq(void __iomem *mmio_base, bool enable);
-
 irqreturn_t sdw_intel_thread(int irq, void *dev_id);
 
 #define SDW_INTEL_QUIRK_MASK_BUS_DISABLE      BIT(1)