diff options
Diffstat (limited to 'drivers/clk/imx/clk-busy.c')
| -rw-r--r-- | drivers/clk/imx/clk-busy.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c index e695622c5aa5..eb27c6fee359 100644 --- a/drivers/clk/imx/clk-busy.c +++ b/drivers/clk/imx/clk-busy.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2012 Freescale Semiconductor, Inc. * Copyright 2012 Linaro Ltd. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ +#include <linux/bits.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/io.h> @@ -51,12 +46,12 @@ static unsigned long clk_busy_divider_recalc_rate(struct clk_hw *hw, return busy->div_ops->recalc_rate(&busy->div.hw, parent_rate); } -static long clk_busy_divider_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int clk_busy_divider_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_busy_divider *busy = to_clk_busy_divider(hw); - return busy->div_ops->round_rate(&busy->div.hw, rate, prate); + return busy->div_ops->determine_rate(&busy->div.hw, req); } static int clk_busy_divider_set_rate(struct clk_hw *hw, unsigned long rate, @@ -74,17 +69,18 @@ static int clk_busy_divider_set_rate(struct clk_hw *hw, unsigned long rate, static const struct clk_ops clk_busy_divider_ops = { .recalc_rate = clk_busy_divider_recalc_rate, - .round_rate = clk_busy_divider_round_rate, + .determine_rate = clk_busy_divider_determine_rate, .set_rate = clk_busy_divider_set_rate, }; -struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, +struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name, void __iomem *reg, u8 shift, u8 width, void __iomem *busy_reg, u8 busy_shift) { struct clk_busy_divider *busy; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; busy = kzalloc(sizeof(*busy), GFP_KERNEL); if (!busy) @@ -107,11 +103,15 @@ struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, busy->div.hw.init = &init; - clk = clk_register(NULL, &busy->div.hw); - if (IS_ERR(clk)) + hw = &busy->div.hw; + + ret = clk_hw_register(NULL, hw); + if (ret) { kfree(busy); + return ERR_PTR(ret); + } - return clk; + return hw; } struct clk_busy_mux { @@ -148,17 +148,19 @@ static int clk_busy_mux_set_parent(struct clk_hw *hw, u8 index) } static const struct clk_ops clk_busy_mux_ops = { + .determine_rate = clk_hw_determine_rate_no_reparent, .get_parent = clk_busy_mux_get_parent, .set_parent = clk_busy_mux_set_parent, }; -struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, +struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift, u8 width, void __iomem *busy_reg, u8 busy_shift, const char * const *parent_names, int num_parents) { struct clk_busy_mux *busy; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; busy = kzalloc(sizeof(*busy), GFP_KERNEL); if (!busy) @@ -181,9 +183,13 @@ struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, busy->mux.hw.init = &init; - clk = clk_register(NULL, &busy->mux.hw); - if (IS_ERR(clk)) + hw = &busy->mux.hw; + + ret = clk_hw_register(NULL, hw); + if (ret) { kfree(busy); + return ERR_PTR(ret); + } - return clk; + return hw; } |