Commit 16d568c8 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Vinod Koul
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soundwire: qcom: handle command ignored interrupt 



Qualcomm Soundwire v2.0.0 controller comes with new interrupt bit for
ignored commands.  Add code to handle it in the interrupt service
routine.

Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230728112848.67092-2-krzysztof.kozlowski@linaro.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 5d78c7d6

drivers/soundwire/qcom.c

+12 −0
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ 
#define SWRM_INTERRUPT_STATUS_BUS_RESET_FINISHED_V2		BIT(13)

#define SWRM_INTERRUPT_STATUS_CLK_STOP_FINISHED_V2		BIT(14)

#define SWRM_INTERRUPT_STATUS_EXT_CLK_STOP_WAKEUP		BIT(16)

#define SWRM_INTERRUPT_STATUS_CMD_IGNORED_AND_EXEC_CONTINUED	BIT(19)

#define SWRM_INTERRUPT_MAX					17

#define SWRM_V1_3_INTERRUPT_MASK_ADDR				0x204

#define SWRM_V1_3_INTERRUPT_CLEAR				0x208
@@ -776,6 +777,17 @@ static irqreturn_t qcom_swrm_irq_handler(int irq, void *dev_id) 
				break;

			case SWRM_INTERRUPT_STATUS_EXT_CLK_STOP_WAKEUP:

				break;

			case SWRM_INTERRUPT_STATUS_CMD_IGNORED_AND_EXEC_CONTINUED:

				ctrl->reg_read(ctrl,

					       ctrl->reg_layout[SWRM_REG_CMD_FIFO_STATUS],

					       &value);

				dev_err(ctrl->dev,

					"%s: SWR CMD ignored, fifo status %x\n",

					__func__, value);



				/* Wait 3.5ms to clear */

				usleep_range(3500, 3505);

				break;

			default:

				dev_err_ratelimited(ctrl->dev,

						"%s: SWR unknown interrupt value: %d\n",