diff options
Diffstat (limited to 'drivers/clk/ti')
| -rw-r--r-- | drivers/clk/ti/clk-dra7-atl.c | 6 | ||||
| -rw-r--r-- | drivers/clk/ti/divider.c | 7 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index 4a65b41..af29359 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -139,9 +139,13 @@ static long atl_clk_round_rate(struct clk_hw *hw, unsigned long rate, static int atl_clk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct dra7_atl_desc *cdesc = to_atl_desc(hw); + struct dra7_atl_desc *cdesc; u32 divider; + if (!hw || !rate) + return -EINVAL; + + cdesc = to_atl_desc(hw); divider = ((parent_rate + rate / 2) / rate) - 1; if (divider > DRA7_ATL_DIVIDER_MASK) divider = DRA7_ATL_DIVIDER_MASK; diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index e6aa10d..a837f70 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -211,11 +211,16 @@ static long ti_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct clk_divider *divider = to_clk_divider(hw); + struct clk_divider *divider; unsigned int div, value; unsigned long flags = 0; u32 val; + if (!hw || !rate) + return -EINVAL; + + divider = to_clk_divider(hw); + div = DIV_ROUND_UP(parent_rate, rate); value = _get_val(divider, div); |
