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soundwire: qcom: handle command ignored interrupt

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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: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230728112848.67092-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2023-07-28 13:28:48 +02:00 committed by Vinod Koul
parent 5d78c7d684
commit 16d568c8f6
1 changed files with 12 additions and 0 deletions
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12
drivers/soundwire/qcom.c
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@ -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",