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clk: scmi: Factor out clock control flags resolution

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Pull clock control flags resolution into dedicated function and
call it from each site that does access clock control flags. No
functional change.

This is a preparatory patch for deferred issue of SCMI_CLOCK_ATTRIBUTES.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Marek Vasut
2025-11-09 02:35:07 +01:00
committed by Peng Fan
parent ef52f697f2
commit 21bfe6a291
1 changed files with 28 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/clk/clk_scmi.c
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@@ -163,22 +163,36 @@ static int scmi_clk_gate(struct clk *clk, int enable)
return scmi_to_linux_errno(out.status);
}
static int scmi_clk_enable(struct clk *clk)
static int scmi_clk_get_ctrl_flags(struct clk *clk, u32 *ctrl_flags)
{
struct clk_scmi *clkscmi;
struct clk *c;
int ret;
if (!CONFIG_IS_ENABLED(CLK_CCF))
return scmi_clk_gate(clk, 1);
ret = clk_get_by_id(clk->id, &c);
if (ret)
return ret;
clkscmi = container_of(c, struct clk_scmi, clk);
if (clkscmi->ctrl_flags & SUPPORT_CLK_STAT_CONTROL)
*ctrl_flags = clkscmi->ctrl_flags;
return 0;
}
static int scmi_clk_enable(struct clk *clk)
{
u32 ctrl_flags;
int ret;
if (!CONFIG_IS_ENABLED(CLK_CCF))
return scmi_clk_gate(clk, 1);
ret = scmi_clk_get_ctrl_flags(clk, &ctrl_flags);
if (ret)
return ret;
if (ctrl_flags & SUPPORT_CLK_STAT_CONTROL)
return scmi_clk_gate(clk, 1);
/* Following Linux drivers/clk/clk-scmi.c, directly return 0 if agent has no permission. */
@@ -188,20 +202,17 @@ static int scmi_clk_enable(struct clk *clk)
static int scmi_clk_disable(struct clk *clk)
{
struct clk_scmi *clkscmi;
struct clk *c;
u32 ctrl_flags;
int ret;
if (!CONFIG_IS_ENABLED(CLK_CCF))
return scmi_clk_gate(clk, 0);
ret = clk_get_by_id(clk->id, &c);
ret = scmi_clk_get_ctrl_flags(clk, &ctrl_flags);
if (ret)
return ret;
clkscmi = container_of(c, struct clk_scmi, clk);
if (clkscmi->ctrl_flags & SUPPORT_CLK_STAT_CONTROL)
if (ctrl_flags & SUPPORT_CLK_STAT_CONTROL)
return scmi_clk_gate(clk, 0);
/* Following Linux drivers/clk/clk-scmi.c, directly return 0 if agent has no permission. */
@@ -259,20 +270,17 @@ static ulong __scmi_clk_set_rate(struct clk *clk, ulong rate)
static ulong scmi_clk_set_rate(struct clk *clk, ulong rate)
{
struct clk_scmi *clkscmi;
struct clk *c;
u32 ctrl_flags;
int ret;
if (!CONFIG_IS_ENABLED(CLK_CCF))
return __scmi_clk_set_rate(clk, rate);
ret = clk_get_by_id(clk->id, &c);
ret = scmi_clk_get_ctrl_flags(clk, &ctrl_flags);
if (ret)
return ret;
clkscmi = container_of(c, struct clk_scmi, clk);
if (clkscmi->ctrl_flags & SUPPORT_CLK_RATE_CONTROL)
if (ctrl_flags & SUPPORT_CLK_RATE_CONTROL)
return __scmi_clk_set_rate(clk, rate);
/* Following Linux drivers/clk/clk-scmi.c, directly return 0 if agent has no permission. */
@@ -375,20 +383,17 @@ static int __scmi_clk_set_parent(struct clk *clk, struct clk *parent)
static int scmi_clk_set_parent(struct clk *clk, struct clk *parent)
{
struct clk_scmi *clkscmi;
struct clk *c;
u32 ctrl_flags;
int ret;
if (!CONFIG_IS_ENABLED(CLK_CCF))
return __scmi_clk_set_parent(clk, parent);
ret = clk_get_by_id(clk->id, &c);
ret = scmi_clk_get_ctrl_flags(clk, &ctrl_flags);
if (ret)
return ret;
clkscmi = container_of(c, struct clk_scmi, clk);
if (clkscmi->ctrl_flags & SUPPORT_CLK_PARENT_CONTROL)
if (ctrl_flags & SUPPORT_CLK_PARENT_CONTROL)
return __scmi_clk_set_parent(clk, parent);
/* Following Linux drivers/clk/clk-scmi.c, directly return 0 if agent has no permission. */