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

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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>
This commit is contained in:
Lina Iyer 2018-09-05 14:14:38 -06:00 committed by Andy Gross
parent 137dc5843f
commit 09e97b6c87
1 changed files with 2 additions and 0 deletions
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2
drivers/soc/qcom/rpmh-rsc.c
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@ -121,6 +121,7 @@ static int tcs_invalidate(struct rsc_drv *drv, int type)
return -EAGAIN; return -EAGAIN;
} }
write_tcs_reg_sync(drv, RSC_DRV_CMD_ENABLE, m, 0); 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); bitmap_zero(tcs->slots, MAX_TCS_SLOTS);
spin_unlock(&tcs->lock); spin_unlock(&tcs->lock);
@ -239,6 +240,7 @@ static irqreturn_t tcs_tx_done(int irq, void *p)
skip: skip:
/* Reclaim the TCS */ /* Reclaim the TCS */
write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, i, 0); 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)); write_tcs_reg(drv, RSC_DRV_IRQ_CLEAR, 0, BIT(i));
spin_lock(&drv->lock); spin_lock(&drv->lock);
clear_bit(i, drv->tcs_in_use); clear_bit(i, drv->tcs_in_use);