diff options
| author | Lina Iyer <ilina@codeaurora.org> | 2018-09-05 14:14:38 -0600 |
|---|---|---|
| committer | Andy Gross <andy.gross@linaro.org> | 2018-09-13 16:11:39 -0500 |
| commit | 09e97b6c8754c91470455e69ebd827b741f80af5 (patch) | |
| tree | 9fd5285df8f21ae82c45ccfec3944ea390c3aee3 /drivers/soc | |
| parent | 137dc5843faeacabf48fc22a8dc58c4e0b4f0927 (diff) | |
| download | linux-09e97b6c8754c91470455e69ebd827b741f80af5.tar.bz2 | |
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>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/qcom/rpmh-rsc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index ee75da66d64b..75bd9a83aef0 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/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); |