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drivers: qcom: rpmh-rsc: clear wait_for_compl after use

The wait_for_compl register ensures the request sequence is maintained
when sending requests from the TCS. Clear the register after sending
active request and during invalidate of the sleep and wake TCS.

Reported-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Lina Iyer há 7 anos atrás
pai
commit
09e97b6c87
1 ficheiros alterados com 2 adições e 0 exclusões
  1. 2 0
      drivers/soc/qcom/rpmh-rsc.c

+ 2 - 0
drivers/soc/qcom/rpmh-rsc.c

@@ -121,6 +121,7 @@ static int tcs_invalidate(struct rsc_drv *drv, int type)
 			return -EAGAIN;
 		}
 		write_tcs_reg_sync(drv, RSC_DRV_CMD_ENABLE, m, 0);
+		write_tcs_reg_sync(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, m, 0);
 	}
 	bitmap_zero(tcs->slots, MAX_TCS_SLOTS);
 	spin_unlock(&tcs->lock);
@@ -239,6 +240,7 @@ static irqreturn_t tcs_tx_done(int irq, void *p)
 skip:
 		/* Reclaim the TCS */
 		write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, i, 0);
+		write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, i, 0);
 		write_tcs_reg(drv, RSC_DRV_IRQ_CLEAR, 0, BIT(i));
 		spin_lock(&drv->lock);
 		clear_bit(i, drv->tcs_in_use);