The pll init functions are now all the same, so we can generalize them into one common function used by all to save some duplication. The parent-check in the original functions does not do anything useful at all, as we're not doing any real rate-handling at this point anymore, so can just go away. Signed-off-by: Heiko Stuebner <heiko at sntech.de> --- drivers/clk/rockchip/clk-pll.c | 125 ++++++++++------------------------------- 1 file changed, 29 insertions(+), 96 deletions(-) diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 5bd0545..1223eee 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -117,6 +117,32 @@ static int rockchip_pll_set_rate(struct clk_hw *hw, unsigned long drate, return pll->data->set_params(pll, rate); } +static void rockchip_pll_init(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + const struct rockchip_pll_rate_table *rate; + struct rockchip_pll_rate_table cur; + unsigned long drate; + + if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) + return; + + drate = clk_hw_get_rate(hw); + rate = rockchip_get_pll_settings(pll, drate); + + /* when no rate setting for the current rate, rely on clk_set_rate */ + if (!rate) + return; + + pll->data->get_params(pll, &cur); + + if (!pll->data->compare_params(pll, rate, &cur)) { + pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", + __func__, clk_hw_get_name(hw)); + pll->data->set_params(pll, rate); + } +} + /* * Wait for the pll to reach the locked state. * The calling set_rate function is responsible for making sure the @@ -320,39 +346,6 @@ static int rockchip_rk3036_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3036_PLLCON1_PWRDOWN); } -static void rockchip_rk3036_pll_init(struct clk_hw *hw) -{ - struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); - const struct rockchip_pll_rate_table *rate; - struct rockchip_pll_rate_table cur; - unsigned long drate; - - if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; - - drate = clk_hw_get_rate(hw); - rate = rockchip_get_pll_settings(pll, drate); - - /* when no rate setting for the current rate, rely on clk_set_rate */ - if (!rate) - return; - - pll->data->get_params(pll, &cur); - if (!pll->data->compare_params(pll, rate, &cur)) { - struct clk *parent = clk_get_parent(hw->clk); - - if (!parent) { - pr_warn("%s: parent of %s not available\n", - __func__, __clk_get_name(hw->clk)); - return; - } - - pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", - __func__, __clk_get_name(hw->clk)); - pll->data->set_params(pll, rate); - } -} - static const struct rockchip_pll_data rockchip_rk3036_pll_data = { .get_params = rockchip_rk3036_pll_get_params, .set_params = rockchip_rk3036_pll_set_params, @@ -373,7 +366,7 @@ static const struct clk_ops rockchip_rk3036_pll_clk_ops = { .enable = rockchip_rk3036_pll_enable, .disable = rockchip_rk3036_pll_disable, .is_enabled = rockchip_rk3036_pll_is_enabled, - .init = rockchip_rk3036_pll_init, + .init = rockchip_pll_init, }; /** @@ -539,32 +532,6 @@ static int rockchip_rk3066_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3066_PLLCON3_PWRDOWN); } -static void rockchip_rk3066_pll_init(struct clk_hw *hw) -{ - struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); - const struct rockchip_pll_rate_table *rate; - struct rockchip_pll_rate_table cur; - unsigned long drate; - - if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; - - drate = clk_hw_get_rate(hw); - rate = rockchip_get_pll_settings(pll, drate); - - /* when no rate setting for the current rate, rely on clk_set_rate */ - if (!rate) - return; - - pll->data->get_params(pll, &cur); - - if (!pll->data->compare_params(pll, rate, &cur)) { - pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", - __func__, clk_hw_get_name(hw)); - pll->data->set_params(pll, rate); - } -} - static const struct rockchip_pll_data rockchip_rk3066_pll_data = { .get_params = rockchip_rk3066_pll_get_params, .set_params = rockchip_rk3066_pll_set_params, @@ -585,7 +552,7 @@ static const struct clk_ops rockchip_rk3066_pll_clk_ops = { .enable = rockchip_rk3066_pll_enable, .disable = rockchip_rk3066_pll_disable, .is_enabled = rockchip_rk3066_pll_is_enabled, - .init = rockchip_rk3066_pll_init, + .init = rockchip_pll_init, }; /** @@ -785,40 +752,6 @@ static int rockchip_rk3399_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3399_PLLCON3_PWRDOWN); } -static void rockchip_rk3399_pll_init(struct clk_hw *hw) -{ - struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); - const struct rockchip_pll_rate_table *rate; - struct rockchip_pll_rate_table cur; - unsigned long drate; - - if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; - - drate = clk_hw_get_rate(hw); - rate = rockchip_get_pll_settings(pll, drate); - - /* when no rate setting for the current rate, rely on clk_set_rate */ - if (!rate) - return; - - pll->data->get_params(pll, &cur); - - if (!pll->data->compare_params(pll, rate, &cur)) { - struct clk *parent = clk_get_parent(hw->clk); - - if (!parent) { - pr_warn("%s: parent of %s not available\n", - __func__, __clk_get_name(hw->clk)); - return; - } - - pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", - __func__, __clk_get_name(hw->clk)); - pll->data->set_params(pll, rate); - } -} - static const struct rockchip_pll_data rockchip_rk3399_pll_data = { .get_params = rockchip_rk3399_pll_get_params, .set_params = rockchip_rk3399_pll_set_params, @@ -839,7 +772,7 @@ static const struct clk_ops rockchip_rk3399_pll_clk_ops = { .enable = rockchip_rk3399_pll_enable, .disable = rockchip_rk3399_pll_disable, .is_enabled = rockchip_rk3399_pll_is_enabled, - .init = rockchip_rk3399_pll_init, + .init = rockchip_pll_init, }; /* -- 2.6.4