diff options
| -rw-r--r-- | drivers/clk/renesas/clk-mstp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 3ce819c26077..4067216bf31f 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -91,6 +91,12 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) value |= bitmask; cpg_mstp_write(group, value, group->smstpcr); + if (!group->mstpsr) { + /* dummy read to ensure write has completed */ + cpg_mstp_read(group, group->smstpcr); + barrier_data(group->smstpcr); + } + spin_unlock_irqrestore(&group->lock, flags); if (!enable || !group->mstpsr) |