diff options
Diffstat (limited to 'drivers/clk/bcm/clk-bcm2835.c')
| -rw-r--r-- | drivers/clk/bcm/clk-bcm2835.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 35ab89fe9d7b..7c4b1ffe874f 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -912,8 +912,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) ~A2W_PLL_CTRL_PWRDN); /* Take the PLL out of reset. */ + spin_lock(&cprman->regs_lock); cprman_write(cprman, data->cm_ctrl_reg, cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST); + spin_unlock(&cprman->regs_lock); /* Wait for the PLL to lock. */ timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS); @@ -997,9 +999,11 @@ static int bcm2835_pll_set_rate(struct clk_hw *hw, } /* Unmask the reference clock from the oscillator. */ + spin_lock(&cprman->regs_lock); cprman_write(cprman, A2W_XOSC_CTRL, cprman_read(cprman, A2W_XOSC_CTRL) | data->reference_enable_mask); + spin_unlock(&cprman->regs_lock); if (do_ana_setup_first) bcm2835_pll_write_ana(cprman, data->ana_reg_base, ana); |