diff options
Diffstat (limited to 'drivers/clk/st')
-rw-r--r-- | drivers/clk/st/clk-flexgen.c | 13 | ||||
-rw-r--r-- | drivers/clk/st/clkgen-fsyn.c | 27 | ||||
-rw-r--r-- | drivers/clk/st/clkgen-mux.c | 93 | ||||
-rw-r--r-- | drivers/clk/st/clkgen-pll.c | 21 |
4 files changed, 80 insertions, 74 deletions
diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 8dd8cce27..bd355ee33 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -5,6 +5,7 @@ * Author: Maxime Coquelin <maxime.coquelin@st.com> for ST-Microelectronics. * License terms: GNU General Public License (GPL), version 2 */ +#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/module.h> #include <linux/slab.h> @@ -44,7 +45,7 @@ static int flexgen_enable(struct clk_hw *hw) clk_gate_ops.enable(fgate_hw); - pr_debug("%s: flexgen output enabled\n", __clk_get_name(hw->clk)); + pr_debug("%s: flexgen output enabled\n", clk_hw_get_name(hw)); return 0; } @@ -58,7 +59,7 @@ static void flexgen_disable(struct clk_hw *hw) clk_gate_ops.disable(fgate_hw); - pr_debug("%s: flexgen output disabled\n", __clk_get_name(hw->clk)); + pr_debug("%s: flexgen output disabled\n", clk_hw_get_name(hw)); } static int flexgen_is_enabled(struct clk_hw *hw) @@ -108,7 +109,7 @@ static long flexgen_round_rate(struct clk_hw *hw, unsigned long rate, /* Round div according to exact prate and wished rate */ div = clk_best_div(*prate, rate); - if (__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT) { + if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) { *prate = rate * div; return rate; } @@ -243,7 +244,7 @@ static const char ** __init flexgen_get_parents(struct device_node *np, int *num_parents) { const char **parents; - int nparents, i; + int nparents; nparents = of_clk_get_parent_count(np); if (WARN_ON(nparents <= 0)) @@ -253,10 +254,8 @@ static const char ** __init flexgen_get_parents(struct device_node *np, if (!parents) return NULL; - for (i = 0; i < nparents; i++) - parents[i] = of_clk_get_parent_name(np, i); + *num_parents = of_clk_parent_fill(np, parents, nparents); - *num_parents = nparents; return parents; } diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index d9eb2e1d8..576cd0354 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/of_address.h> +#include <linux/clk.h> #include <linux/clk-provider.h> #include "clkgen.h" @@ -306,7 +307,7 @@ static const struct clkgen_quadfs_data st_fs660c32_F_416 = { .get_rate = clk_fs660c32_dig_get_rate, }; -static const struct clkgen_quadfs_data st_fs660c32_C_407 = { +static const struct clkgen_quadfs_data st_fs660c32_C = { .nrst_present = true, .nrst = { CLKGEN_FIELD(0x2f0, 0x1, 0), CLKGEN_FIELD(0x2f0, 0x1, 1), @@ -349,7 +350,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = { .get_rate = clk_fs660c32_dig_get_rate, }; -static const struct clkgen_quadfs_data st_fs660c32_D_407 = { +static const struct clkgen_quadfs_data st_fs660c32_D = { .nrst_present = true, .nrst = { CLKGEN_FIELD(0x2a0, 0x1, 0), CLKGEN_FIELD(0x2a0, 0x1, 1), @@ -512,7 +513,7 @@ static unsigned long quadfs_pll_fs660c32_recalc_rate(struct clk_hw *hw, params.ndiv = CLKGEN_READ(pll, ndiv); if (clk_fs660c32_vco_get_rate(parent_rate, ¶ms, &rate)) pr_err("%s:%s error calculating rate\n", - __clk_get_name(hw->clk), __func__); + clk_hw_get_name(hw), __func__); pll->ndiv = params.ndiv; @@ -557,7 +558,7 @@ static long quadfs_pll_fs660c32_round_rate(struct clk_hw *hw, unsigned long rate clk_fs660c32_vco_get_rate(*prate, ¶ms, &rate); pr_debug("%s: %s new rate %ld [sdiv=0x%x,md=0x%x,pe=0x%x,nsdiv3=%u]\n", - __func__, __clk_get_name(hw->clk), + __func__, clk_hw_get_name(hw), rate, (unsigned int)params.sdiv, (unsigned int)params.mdiv, (unsigned int)params.pe, (unsigned int)params.nsdiv); @@ -580,7 +581,7 @@ static int quadfs_pll_fs660c32_set_rate(struct clk_hw *hw, unsigned long rate, clk_fs660c32_vco_get_rate(parent_rate, ¶ms, &hwrate); pr_debug("%s: %s new rate %ld [ndiv=0x%x]\n", - __func__, __clk_get_name(hw->clk), + __func__, clk_hw_get_name(hw), hwrate, (unsigned int)params.ndiv); if (!hwrate) @@ -744,7 +745,7 @@ static int quadfs_fsynth_enable(struct clk_hw *hw) struct st_clk_quadfs_fsynth *fs = to_quadfs_fsynth(hw); unsigned long flags = 0; - pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); + pr_debug("%s: %s\n", __func__, clk_hw_get_name(hw)); quadfs_fsynth_program_rate(fs); @@ -769,7 +770,7 @@ static void quadfs_fsynth_disable(struct clk_hw *hw) struct st_clk_quadfs_fsynth *fs = to_quadfs_fsynth(hw); unsigned long flags = 0; - pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); + pr_debug("%s: %s\n", __func__, clk_hw_get_name(hw)); if (fs->lock) spin_lock_irqsave(fs->lock, flags); @@ -786,7 +787,7 @@ static int quadfs_fsynth_is_enabled(struct clk_hw *hw) u32 nsb = CLKGEN_READ(fs, nsb[fs->chan]); pr_debug("%s: %s enable bit = 0x%x\n", - __func__, __clk_get_name(hw->clk), nsb); + __func__, clk_hw_get_name(hw), nsb); return fs->data->standby_polarity ? !nsb : !!nsb; } @@ -945,10 +946,10 @@ static unsigned long quadfs_recalc_rate(struct clk_hw *hw, if (clk_fs_get_rate(parent_rate, ¶ms, &rate)) { pr_err("%s:%s error calculating rate\n", - __clk_get_name(hw->clk), __func__); + clk_hw_get_name(hw), __func__); } - pr_debug("%s:%s rate %lu\n", __clk_get_name(hw->clk), __func__, rate); + pr_debug("%s:%s rate %lu\n", clk_hw_get_name(hw), __func__, rate); return rate; } @@ -961,7 +962,7 @@ static long quadfs_round_rate(struct clk_hw *hw, unsigned long rate, rate = quadfs_find_best_rate(hw, rate, *prate, ¶ms); pr_debug("%s: %s new rate %ld [sdiv=0x%x,md=0x%x,pe=0x%x,nsdiv3=%u]\n", - __func__, __clk_get_name(hw->clk), + __func__, clk_hw_get_name(hw), rate, (unsigned int)params.sdiv, (unsigned int)params.mdiv, (unsigned int)params.pe, (unsigned int)params.nsdiv); @@ -1076,11 +1077,11 @@ static const struct of_device_id quadfs_of_match[] = { }, { .compatible = "st,stih407-quadfs660-C", - .data = &st_fs660c32_C_407 + .data = &st_fs660c32_C }, { .compatible = "st,stih407-quadfs660-D", - .data = &st_fs660c32_D_407 + .data = &st_fs660c32_D }, {} }; diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c index 717c4a91a..4f7f6c00b 100644 --- a/drivers/clk/st/clkgen-mux.c +++ b/drivers/clk/st/clkgen-mux.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/of_address.h> +#include <linux/clk.h> #include <linux/clk-provider.h> static DEFINE_SPINLOCK(clkgena_divmux_lock); @@ -24,20 +25,17 @@ static const char ** __init clkgen_mux_get_parents(struct device_node *np, int *num_parents) { const char **parents; - int nparents, i; + int nparents; nparents = of_clk_get_parent_count(np); if (WARN_ON(nparents <= 0)) return ERR_PTR(-EINVAL); - parents = kzalloc(nparents * sizeof(const char *), GFP_KERNEL); + parents = kcalloc(nparents, sizeof(const char *), GFP_KERNEL); if (!parents) return ERR_PTR(-ENOMEM); - for (i = 0; i < nparents; i++) - parents[i] = of_clk_get_parent_name(np, i); - - *num_parents = nparents; + *num_parents = of_clk_parent_fill(np, parents, nparents); return parents; } @@ -141,7 +139,7 @@ static u8 clkgena_divmux_get_parent(struct clk_hw *hw) genamux->muxsel = clk_mux_ops.get_parent(mux_hw); if ((s8)genamux->muxsel < 0) { pr_debug("%s: %s: Invalid parent, setting to default.\n", - __func__, __clk_get_name(hw->clk)); + __func__, clk_hw_get_name(hw)); genamux->muxsel = 0; } @@ -215,7 +213,7 @@ static const struct clk_ops clkgena_divmux_ops = { /** * clk_register_genamux - register a genamux clock with the clock framework */ -static struct clk *clk_register_genamux(const char *name, +static struct clk * __init clk_register_genamux(const char *name, const char **parent_names, u8 num_parents, void __iomem *reg, const struct clkgena_divmux_data *muxdata, @@ -369,11 +367,10 @@ static const struct of_device_id clkgena_divmux_of_match[] = { {} }; -static void __iomem * __init clkgen_get_register_base( - struct device_node *np) +static void __iomem * __init clkgen_get_register_base(struct device_node *np) { struct device_node *pnode; - void __iomem *reg = NULL; + void __iomem *reg; pnode = of_get_parent(np); if (!pnode) @@ -398,7 +395,7 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) if (WARN_ON(!match)) return; - data = (struct clkgena_divmux_data *)match->data; + data = match->data; reg = clkgen_get_register_base(np); if (!reg) @@ -406,18 +403,18 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) parents = clkgen_mux_get_parents(np, &num_parents); if (IS_ERR(parents)) - return; + goto err_parents; clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) - goto err; + goto err_alloc; clk_data->clk_num = data->num_outputs; - clk_data->clks = kzalloc(clk_data->clk_num * sizeof(struct clk *), + clk_data->clks = kcalloc(clk_data->clk_num, sizeof(struct clk *), GFP_KERNEL); if (!clk_data->clks) - goto err; + goto err_alloc_clks; for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; @@ -447,11 +444,13 @@ static void __init st_of_clkgena_divmux_setup(struct device_node *np) of_clk_add_provider(np, of_clk_src_onecell_get, clk_data); return; err: - if (clk_data) - kfree(clk_data->clks); - + kfree(clk_data->clks); +err_alloc_clks: kfree(clk_data); +err_alloc: kfree(parents); +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgenadivmux, "st,clkgena-divmux", st_of_clkgena_divmux_setup); @@ -491,7 +490,7 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) void __iomem *reg; const char *parent_name, *clk_name; struct clk *clk; - struct clkgena_prediv_data *data; + const struct clkgena_prediv_data *data; match = of_match_node(clkgena_prediv_of_match, np); if (!match) { @@ -499,7 +498,7 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) return; } - data = (struct clkgena_prediv_data *)match->data; + data = match->data; reg = clkgen_get_register_base(np); if (!reg) @@ -507,18 +506,18 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) parent_name = of_clk_get_parent_name(np, 0); if (!parent_name) - return; + goto err; if (of_property_read_string_index(np, "clock-output-names", 0, &clk_name)) - return; + goto err; clk = clk_register_divider_table(NULL, clk_name, parent_name, CLK_GET_RATE_NOCACHE, reg + data->offset, data->shift, 1, 0, data->table, NULL); if (IS_ERR(clk)) - return; + goto err; of_clk_add_provider(np, of_clk_src_simple_get, clk); pr_debug("%s: parent %s rate %u\n", @@ -527,6 +526,8 @@ static void __init st_of_clkgena_prediv_setup(struct device_node *np) (unsigned int)clk_get_rate(clk)); return; +err: + iounmap(reg); } CLK_OF_DECLARE(clkgenaprediv, "st,clkgena-prediv", st_of_clkgena_prediv_setup); @@ -630,7 +631,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) void __iomem *reg; const char **parents; int num_parents; - struct clkgen_mux_data *data; + const struct clkgen_mux_data *data; match = of_match_node(mux_of_match, np); if (!match) { @@ -638,7 +639,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) return; } - data = (struct clkgen_mux_data *)match->data; + data = match->data; reg = of_iomap(np, 0); if (!reg) { @@ -650,7 +651,7 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) if (IS_ERR(parents)) { pr_err("%s: Failed to get parents (%ld)\n", __func__, PTR_ERR(parents)); - return; + goto err_parents; } clk = clk_register_mux(NULL, np->name, parents, num_parents, @@ -666,12 +667,14 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np) __clk_get_name(clk_get_parent(clk)), (unsigned int)clk_get_rate(clk)); + kfree(parents); of_clk_add_provider(np, of_clk_src_simple_get, clk); + return; err: kfree(parents); - - return; +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgen_mux, "st,clkgen-mux", st_of_clkgen_mux_setup); @@ -707,12 +710,12 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) const char **parents; int num_parents, i; struct clk_onecell_data *clk_data; - struct clkgen_vcc_data *data; + const struct clkgen_vcc_data *data; match = of_match_node(vcc_of_match, np); if (WARN_ON(!match)) return; - data = (struct clkgen_vcc_data *)match->data; + data = match->data; reg = of_iomap(np, 0); if (!reg) @@ -720,18 +723,18 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) parents = clkgen_mux_get_parents(np, &num_parents); if (IS_ERR(parents)) - return; + goto err_parents; clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) - goto err; + goto err_alloc; clk_data->clk_num = VCC_MAX_CHANNELS; - clk_data->clks = kzalloc(clk_data->clk_num * sizeof(struct clk *), + clk_data->clks = kcalloc(clk_data->clk_num, sizeof(struct clk *), GFP_KERNEL); if (!clk_data->clks) - goto err; + goto err_alloc_clks; for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; @@ -750,21 +753,21 @@ static void __init st_of_clkgen_vcc_setup(struct device_node *np) if (*clk_name == '\0') continue; - gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL); + gate = kzalloc(sizeof(*gate), GFP_KERNEL); if (!gate) - break; + goto err; - div = kzalloc(sizeof(struct clk_divider), GFP_KERNEL); + div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) { kfree(gate); - break; + goto err; } - mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL); + mux = kzalloc(sizeof(*mux), GFP_KERNEL); if (!mux) { kfree(gate); kfree(div); - break; + goto err; } gate->reg = reg + VCC_GATE_OFFSET; @@ -823,10 +826,12 @@ err: kfree(container_of(composite->mux_hw, struct clk_mux, hw)); } - if (clk_data) - kfree(clk_data->clks); - + kfree(clk_data->clks); +err_alloc_clks: kfree(clk_data); +err_alloc: kfree(parents); +err_parents: + iounmap(reg); } CLK_OF_DECLARE(clkgen_vcc, "st,clkgen-vcc", st_of_clkgen_vcc_setup); diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c index 72d1c27ea..b2a332cf8 100644 --- a/drivers/clk/st/clkgen-pll.c +++ b/drivers/clk/st/clkgen-pll.c @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/of_address.h> +#include <linux/clk.h> #include <linux/clk-provider.h> #include "clkgen.h" @@ -192,7 +193,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_a0 = { .ops = &stm_pll3200c32_ops, }; -static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = { +static const struct clkgen_pll_data st_pll3200c32_cx_0 = { /* 407 C0 PLL0 */ .pdn_status = CLKGEN_FIELD(0x2a0, 0x1, 8), .locked_status = CLKGEN_FIELD(0x2a0, 0x1, 24), @@ -204,7 +205,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = { .ops = &stm_pll3200c32_ops, }; -static const struct clkgen_pll_data st_pll3200c32_407_c0_1 = { +static const struct clkgen_pll_data st_pll3200c32_cx_1 = { /* 407 C0 PLL1 */ .pdn_status = CLKGEN_FIELD(0x2c8, 0x1, 8), .locked_status = CLKGEN_FIELD(0x2c8, 0x1, 24), @@ -291,7 +292,7 @@ static unsigned long recalc_stm_pll800c65(struct clk_hw *hw, res = (uint64_t)2 * (uint64_t)parent_rate * (uint64_t)ndiv; rate = (unsigned long)div64_u64(res, mdiv * (1 << pdiv)); - pr_debug("%s:%s rate %lu\n", __clk_get_name(hw->clk), __func__, rate); + pr_debug("%s:%s rate %lu\n", clk_hw_get_name(hw), __func__, rate); return rate; @@ -316,7 +317,7 @@ static unsigned long recalc_stm_pll1600c65(struct clk_hw *hw, /* Note: input is divided by 1000 to avoid overflow */ rate = ((2 * (parent_rate / 1000) * ndiv) / mdiv) * 1000; - pr_debug("%s:%s rate %lu\n", __clk_get_name(hw->clk), __func__, rate); + pr_debug("%s:%s rate %lu\n", clk_hw_get_name(hw), __func__, rate); return rate; } @@ -338,7 +339,7 @@ static unsigned long recalc_stm_pll3200c32(struct clk_hw *hw, /* Note: input is divided to avoid overflow */ rate = ((2 * (parent_rate/1000) * ndiv) / idf) * 1000; - pr_debug("%s:%s rate %lu\n", __clk_get_name(hw->clk), __func__, rate); + pr_debug("%s:%s rate %lu\n", clk_hw_get_name(hw), __func__, rate); return rate; } @@ -365,7 +366,7 @@ static unsigned long recalc_stm_pll1200c32(struct clk_hw *hw, /* Note: input is divided by 1000 to avoid overflow */ rate = (((parent_rate / 1000) * ldf) / (odf * idf)) * 1000; - pr_debug("%s:%s rate %lu\n", __clk_get_name(hw->clk), __func__, rate); + pr_debug("%s:%s rate %lu\n", clk_hw_get_name(hw), __func__, rate); return rate; } @@ -623,12 +624,12 @@ static const struct of_device_id c32_pll_of_match[] = { .data = &st_pll3200c32_407_a0, }, { - .compatible = "st,stih407-plls-c32-c0_0", - .data = &st_pll3200c32_407_c0_0, + .compatible = "st,plls-c32-cx_0", + .data = &st_pll3200c32_cx_0, }, { - .compatible = "st,stih407-plls-c32-c0_1", - .data = &st_pll3200c32_407_c0_1, + .compatible = "st,plls-c32-cx_1", + .data = &st_pll3200c32_cx_1, }, { .compatible = "st,stih407-plls-c32-a9", |