diff options
| author | Eric Anholt <eric@anholt.net> | 2016-02-15 19:03:58 -0800 |
|---|---|---|
| committer | Michael Turquette <mturquette@baylibre.com> | 2016-02-16 12:30:09 -0800 |
| commit | 79c1e2fc2c0e0243d6ecaacfb650cf0ad5ad4aa5 (patch) | |
| tree | c82e8c7ddf4730f820d335689602aceb13d6a8f5 /drivers/clk/bcm | |
| parent | 773b3966dd3cdaeb68e7f2edfe5656abac1dc411 (diff) | |
| download | linux-79c1e2fc2c0e0243d6ecaacfb650cf0ad5ad4aa5.tar.bz2 | |
clk: bcm2835: Reuse CLK_DIVIDER_MAX_AT_ZERO for recalc_rate()
We were rolling this ourselves, but clk-divider can do it now.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Diffstat (limited to 'drivers/clk/bcm')
| -rw-r--r-- | drivers/clk/bcm/clk-bcm2835.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 9f4df8f645f8..353e43835d5d 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -1060,16 +1060,7 @@ static long bcm2835_pll_divider_round_rate(struct clk_hw *hw, static unsigned long bcm2835_pll_divider_get_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw); - struct bcm2835_cprman *cprman = divider->cprman; - const struct bcm2835_pll_divider_data *data = divider->data; - u32 div = cprman_read(cprman, data->a2w_reg); - - div &= (1 << A2W_PLL_DIV_BITS) - 1; - if (div == 0) - div = 256; - - return parent_rate / div; + return clk_divider_ops.recalc_rate(hw, parent_rate); } static void bcm2835_pll_divider_off(struct clk_hw *hw) @@ -1430,7 +1421,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, divider->div.reg = cprman->regs + data->a2w_reg; divider->div.shift = A2W_PLL_DIV_SHIFT; divider->div.width = A2W_PLL_DIV_BITS; - divider->div.flags = 0; + divider->div.flags = CLK_DIVIDER_MAX_AT_ZERO; divider->div.lock = &cprman->regs_lock; divider->div.hw.init = &init; divider->div.table = NULL; |