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clk: samsung: Add support for runtime PM

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This patch adds struct device pointer to samsung_clk_provider and forwarding it
to clk_register_* functions, so drivers can register clocks, which use runtime
pm feature.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1503302703-13801-3-git-send-email-m.szyprowski@samsung.com
This commit is contained in:
Marek Szyprowski 2017-08-21 10:05:00 +02:00 committed by Michael Turquette
parent 9a34b45397
commit d2f18d7e20
3 changed files with 8 additions and 7 deletions
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2
drivers/clk/samsung/clk-pll.c
View File

@ -1388,7 +1388,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
pll->lock_reg = base + pll_clk->lock_offset;
pll->con_reg = base + pll_clk->con_offset;
ret = clk_hw_register(NULL, &pll->hw);
ret = clk_hw_register(ctx->dev, &pll->hw);
if (ret) {
pr_err("%s: failed to register pll clock %s : %d\n",
__func__, pll_clk->name, ret);

12
drivers/clk/samsung/clk.c
View File

@ -134,7 +134,7 @@ void __init samsung_clk_register_fixed_rate(struct samsung_clk_provider *ctx,
unsigned int idx, ret;
for (idx = 0; idx < nr_clk; idx++, list++) {
clk_hw = clk_hw_register_fixed_rate(NULL, list->name,
clk_hw = clk_hw_register_fixed_rate(ctx->dev, list->name,
list->parent_name, list->flags, list->fixed_rate);
if (IS_ERR(clk_hw)) {
pr_err("%s: failed to register clock %s\n", __func__,
@ -163,7 +163,7 @@ void __init samsung_clk_register_fixed_factor(struct samsung_clk_provider *ctx,
unsigned int idx;
for (idx = 0; idx < nr_clk; idx++, list++) {
clk_hw = clk_hw_register_fixed_factor(NULL, list->name,
clk_hw = clk_hw_register_fixed_factor(ctx->dev, list->name,
list->parent_name, list->flags, list->mult, list->div);
if (IS_ERR(clk_hw)) {
pr_err("%s: failed to register clock %s\n", __func__,
@ -184,7 +184,7 @@ void __init samsung_clk_register_mux(struct samsung_clk_provider *ctx,
unsigned int idx, ret;
for (idx = 0; idx < nr_clk; idx++, list++) {
clk_hw = clk_hw_register_mux(NULL, list->name,
clk_hw = clk_hw_register_mux(ctx->dev, list->name,
list->parent_names, list->num_parents, list->flags,
ctx->reg_base + list->offset,
list->shift, list->width, list->mux_flags, &ctx->lock);
@ -217,13 +217,13 @@ void __init samsung_clk_register_div(struct samsung_clk_provider *ctx,
for (idx = 0; idx < nr_clk; idx++, list++) {
if (list->table)
clk_hw = clk_hw_register_divider_table(NULL,
clk_hw = clk_hw_register_divider_table(ctx->dev,
list->name, list->parent_name, list->flags,
ctx->reg_base + list->offset,
list->shift, list->width, list->div_flags,
list->table, &ctx->lock);
else
clk_hw = clk_hw_register_divider(NULL, list->name,
clk_hw = clk_hw_register_divider(ctx->dev, list->name,
list->parent_name, list->flags,
ctx->reg_base + list->offset, list->shift,
list->width, list->div_flags, &ctx->lock);
@ -255,7 +255,7 @@ void __init samsung_clk_register_gate(struct samsung_clk_provider *ctx,
unsigned int idx, ret;
for (idx = 0; idx < nr_clk; idx++, list++) {
clk_hw = clk_hw_register_gate(NULL, list->name, list->parent_name,
clk_hw = clk_hw_register_gate(ctx->dev, list->name, list->parent_name,
list->flags, ctx->reg_base + list->offset,
list->bit_idx, list->gate_flags, &ctx->lock);
if (IS_ERR(clk_hw)) {

1
drivers/clk/samsung/clk.h
View File

@ -24,6 +24,7 @@
*/
struct samsung_clk_provider {
void __iomem *reg_base;
struct device *dev;
spinlock_t lock;
/* clk_data must be the last entry due to variable lenght 'hws' array */
struct clk_hw_onecell_data clk_data;