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clk: socfpga: stratix10: simplify parameter passing

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Just pass the clock pointer structure to the various register functions.

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lkml.kernel.org/r/20200114160726.19771-2-dinguyen@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Dinh Nguyen 2020-01-14 10:07:26 -06:00 committed by Stephen Boyd
parent cc26ed7be4
commit 8c0e783d2c
5 changed files with 57 additions and 92 deletions
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40
drivers/clk/socfpga/clk-gate-s10.c
View File

@ -65,54 +65,49 @@ static const struct clk_ops dbgclk_ops = {
.get_parent = socfpga_gate_get_parent,
};
struct clk *s10_register_gate(const char *name, const char *parent_name,
const char * const *parent_names,
u8 num_parents, unsigned long flags,
void __iomem *regbase, unsigned long gate_reg,
unsigned long gate_idx, unsigned long div_reg,
unsigned long div_offset, u8 div_width,
unsigned long bypass_reg, u8 bypass_shift,
u8 fixed_div)
struct clk *s10_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase)
{
struct clk *clk;
struct socfpga_gate_clk *socfpga_clk;
struct clk_init_data init;
const char * const *parent_names = clks->parent_names;
const char *parent_name = clks->parent_name;
socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
if (!socfpga_clk)
return NULL;
socfpga_clk->hw.reg = regbase + gate_reg;
socfpga_clk->hw.bit_idx = gate_idx;
socfpga_clk->hw.reg = regbase + clks->gate_reg;
socfpga_clk->hw.bit_idx = clks->gate_idx;
gateclk_ops.enable = clk_gate_ops.enable;
gateclk_ops.disable = clk_gate_ops.disable;
socfpga_clk->fixed_div = fixed_div;
socfpga_clk->fixed_div = clks->fixed_div;
if (div_reg)
socfpga_clk->div_reg = regbase + div_reg;
if (clks->div_reg)
socfpga_clk->div_reg = regbase + clks->div_reg;
else
socfpga_clk->div_reg = NULL;
socfpga_clk->width = div_width;
socfpga_clk->shift = div_offset;
socfpga_clk->width = clks->div_width;
socfpga_clk->shift = clks->div_offset;
if (bypass_reg)
socfpga_clk->bypass_reg = regbase + bypass_reg;
if (clks->bypass_reg)
socfpga_clk->bypass_reg = regbase + clks->bypass_reg;
else
socfpga_clk->bypass_reg = NULL;
socfpga_clk->bypass_shift = bypass_shift;
socfpga_clk->bypass_shift = clks->bypass_shift;
if (streq(name, "cs_pdbg_clk"))
if (streq(clks->name, "cs_pdbg_clk"))
init.ops = &dbgclk_ops;
else
init.ops = &gateclk_ops;
init.name = name;
init.flags = flags;
init.name = clks->name;
init.flags = clks->flags;
init.num_parents = num_parents;
init.num_parents = clks->num_parents;
init.parent_names = parent_names ? parent_names : &parent_name;
socfpga_clk->hw.hw.init = &init;
@ -121,6 +116,5 @@ struct clk *s10_register_gate(const char *name, const char *parent_name,
kfree(socfpga_clk);
return NULL;
}
return clk;
}

42
drivers/clk/socfpga/clk-periph-s10.c
View File

@ -73,26 +73,27 @@ static const struct clk_ops peri_cnt_clk_ops = {
.get_parent = clk_periclk_get_parent,
};
struct clk *s10_register_periph(const char *name, const char *parent_name,
const char * const *parent_names,
u8 num_parents, unsigned long flags,
void __iomem *reg, unsigned long offset)
struct clk *s10_register_periph(const struct stratix10_perip_c_clock *clks,
void __iomem *reg)
{
struct clk *clk;
struct socfpga_periph_clk *periph_clk;
struct clk_init_data init;
const char *name = clks->name;
const char *parent_name = clks->parent_name;
const char * const *parent_names = clks->parent_names;
periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
if (WARN_ON(!periph_clk))
return NULL;
periph_clk->hw.reg = reg + offset;
periph_clk->hw.reg = reg + clks->offset;
init.name = name;
init.ops = &peri_c_clk_ops;
init.flags = flags;
init.flags = clks->flags;
init.num_parents = num_parents;
init.num_parents = clks->num_parents;
init.parent_names = parent_names ? parent_names : &parent_name;
periph_clk->hw.hw.init = &init;
@ -105,38 +106,37 @@ struct clk *s10_register_periph(const char *name, const char *parent_name,
return clk;
}
struct clk *s10_register_cnt_periph(const char *name, const char *parent_name,
const char * const *parent_names,
u8 num_parents, unsigned long flags,
void __iomem *regbase, unsigned long offset,
u8 fixed_divider, unsigned long bypass_reg,
unsigned long bypass_shift)
struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
void __iomem *regbase)
{
struct clk *clk;
struct socfpga_periph_clk *periph_clk;
struct clk_init_data init;
const char *name = clks->name;
const char *parent_name = clks->parent_name;
const char * const *parent_names = clks->parent_names;
periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
if (WARN_ON(!periph_clk))
return NULL;
if (offset)
periph_clk->hw.reg = regbase + offset;
if (clks->offset)
periph_clk->hw.reg = regbase + clks->offset;
else
periph_clk->hw.reg = NULL;
if (bypass_reg)
periph_clk->bypass_reg = regbase + bypass_reg;
if (clks->bypass_reg)
periph_clk->bypass_reg = regbase + clks->bypass_reg;
else
periph_clk->bypass_reg = NULL;
periph_clk->bypass_shift = bypass_shift;
periph_clk->fixed_div = fixed_divider;
periph_clk->bypass_shift = clks->bypass_shift;
periph_clk->fixed_div = clks->fixed_divider;
init.name = name;
init.ops = &peri_cnt_clk_ops;
init.flags = flags;
init.flags = clks->flags;
init.num_parents = num_parents;
init.num_parents = clks->num_parents;
init.parent_names = parent_names ? parent_names : &parent_name;
periph_clk->hw.hw.init = &init;

13
drivers/clk/socfpga/clk-pll-s10.c
View File

@ -110,19 +110,20 @@ static struct clk_ops clk_boot_ops = {
.prepare = clk_pll_prepare,
};
struct clk *s10_register_pll(const char *name, const char * const *parent_names,
u8 num_parents, unsigned long flags,
void __iomem *reg, unsigned long offset)
struct clk *s10_register_pll(const struct stratix10_pll_clock *clks,
void __iomem *reg)
{
struct clk *clk;
struct socfpga_pll *pll_clk;
struct clk_init_data init;
const char *name = clks->name;
const char * const *parent_names = clks->parent_names;
pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
if (WARN_ON(!pll_clk))
return NULL;
pll_clk->hw.reg = reg + offset;
pll_clk->hw.reg = reg + clks->offset;
if (streq(name, SOCFPGA_BOOT_CLK))
init.ops = &clk_boot_ops;
@ -130,9 +131,9 @@ struct clk *s10_register_pll(const char *name, const char * const *parent_names,
init.ops = &clk_pll_ops;
init.name = name;
init.flags = flags;
init.flags = clks->flags;
init.num_parents = num_parents;
init.num_parents = clks->num_parents;
init.parent_names = parent_names;
pll_clk->hw.hw.init = &init;

29
drivers/clk/socfpga/clk-s10.c
View File

@ -177,9 +177,7 @@ static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_periph(clks[i].name, clks[i].parent_name,
clks[i].parent_names, clks[i].num_parents,
clks[i].flags, base, clks[i].offset);
clk = s10_register_periph(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
@ -198,14 +196,7 @@ static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *cl
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_cnt_periph(clks[i].name, clks[i].parent_name,
clks[i].parent_names,
clks[i].num_parents,
clks[i].flags, base,
clks[i].offset,
clks[i].fixed_divider,
clks[i].bypass_reg,
clks[i].bypass_shift);
clk = s10_register_cnt_periph(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
@ -225,16 +216,7 @@ static int s10_clk_register_gate(const struct stratix10_gate_clock *clks,
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_gate(clks[i].name, clks[i].parent_name,
clks[i].parent_names,
clks[i].num_parents,
clks[i].flags, base,
clks[i].gate_reg,
clks[i].gate_idx, clks[i].div_reg,
clks[i].div_offset, clks[i].div_width,
clks[i].bypass_reg,
clks[i].bypass_shift,
clks[i].fixed_div);
clk = s10_register_gate(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);
@ -254,10 +236,7 @@ static int s10_clk_register_pll(const struct stratix10_pll_clock *clks,
int i;
for (i = 0; i < nums; i++) {
clk = s10_register_pll(clks[i].name, clks[i].parent_names,
clks[i].num_parents,
clks[i].flags, base,
clks[i].offset);
clk = s10_register_pll(&clks[i], base);
if (IS_ERR(clk)) {
pr_err("%s: failed to register clock %s\n",
__func__, clks[i].name);

25
drivers/clk/socfpga/stratix10-clk.h
View File

@ -60,21 +60,12 @@ struct stratix10_gate_clock {
u8 fixed_div;
};
struct clk *s10_register_pll(const char *, const char *const *, u8,
unsigned long, void __iomem *, unsigned long);
struct clk *s10_register_periph(const char *, const char *,
const char * const *, u8, unsigned long,
void __iomem *, unsigned long);
struct clk *s10_register_cnt_periph(const char *, const char *,
const char * const *, u8,
unsigned long, void __iomem *,
unsigned long, u8, unsigned long,
unsigned long);
struct clk *s10_register_gate(const char *, const char *,
const char * const *, u8,
unsigned long, void __iomem *,
unsigned long, unsigned long,
unsigned long, unsigned long, u8,
unsigned long, u8, u8);
struct clk *s10_register_pll(const struct stratix10_pll_clock *,
void __iomem *);
struct clk *s10_register_periph(const struct stratix10_perip_c_clock *,
void __iomem *);
struct clk *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *,
void __iomem *);
struct clk *s10_register_gate(const struct stratix10_gate_clock *,
void __iomem *);
#endif /* __STRATIX10_CLK_H */