[PATCH 5/5] soundwire: qcom: enable CPU interrupts for mmio devices

Jonathan Marek
2020-06-08T20:44:39Z

This allows the CPU to receive interrupts.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
---
drivers/soundwire/qcom.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index ac81c64768ea..58ffb46e0d64 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -34,6 +34,7 @@
#define SWRM_INTERRUPT_STATUS_SPECIAL_CMD_ID_FINISHED BIT(10)
#define SWRM_INTERRUPT_MASK_ADDR 0x204
#define SWRM_INTERRUPT_CLEAR 0x208
+#define SWRM_INTERRUPT_CPU_EN 0x210
#define SWRM_CMD_FIFO_WR_CMD 0x300
#define SWRM_CMD_FIFO_RD_CMD 0x304
#define SWRM_CMD_FIFO_CMD 0x308
@@ -325,6 +326,12 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
ctrl->reg_write(ctrl, SWRM_COMP_CFG_ADDR,
SWRM_COMP_CFG_IRQ_LEVEL_OR_PULSE_MSK |
SWRM_COMP_CFG_ENABLE_MSK);
+
+ /* enable CPU IRQs */
+ if (ctrl->mmio) {
+ ctrl->reg_write(ctrl, SWRM_INTERRUPT_CPU_EN,
+ SWRM_INTERRUPT_STATUS_RMSK);
+ }
return 0;
}

--
2.26.1