hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

bus: ti-sysc: Move legacy platform data idling into separate functions 

Let's move the legacy idle and enable into separate functions to simplify
PM runtime functions a bit.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2019-03-21 11:00:21 -07:00
parent b7182b42a9
commit ff43728c4a
1 changed files with 50 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
drivers/bus/ti-sysc.c
View File

@ -622,9 +622,50 @@ static void sysc_show_registers(struct sysc *ddata)
buf);
}
static int __maybe_unused sysc_runtime_suspend(struct device *dev)
static int __maybe_unused sysc_runtime_suspend_legacy(struct device *dev,
struct sysc *ddata)
{
struct ti_sysc_platform_data *pdata;
int error;
pdata = dev_get_platdata(ddata->dev);
if (!pdata)
return 0;
if (!pdata->idle_module)
return -ENODEV;
error = pdata->idle_module(dev, &ddata->cookie);
if (error)
dev_err(dev, "%s: could not idle: %i\n",
__func__, error);
return 0;
}
static int __maybe_unused sysc_runtime_resume_legacy(struct device *dev,
struct sysc *ddata)
{
struct ti_sysc_platform_data *pdata;
int error;
pdata = dev_get_platdata(ddata->dev);
if (!pdata)
return 0;
if (!pdata->enable_module)
return -ENODEV;
error = pdata->enable_module(dev, &ddata->cookie);
if (error)
dev_err(dev, "%s: could not enable: %i\n",
__func__, error);
return 0;
}
static int __maybe_unused sysc_runtime_suspend(struct device *dev)
{
struct sysc *ddata;
int error = 0, i;
@ -634,19 +675,11 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev)
return 0;
if (ddata->legacy_mode) {
pdata = dev_get_platdata(ddata->dev);
if (!pdata)
return 0;
error = sysc_runtime_suspend_legacy(dev, ddata);
if (!error)
ddata->enabled = false;
if (!pdata->idle_module)
return -ENODEV;
error = pdata->idle_module(dev, &ddata->cookie);
if (error)
dev_err(dev, "%s: could not idle: %i\n",
__func__, error);
goto idled;
return error;
}
for (i = 0; i < ddata->nr_clocks; i++) {
@ -659,7 +692,6 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev)
clk_disable(ddata->clocks[i]);
}
idled:
ddata->enabled = false;
return error;
@ -667,7 +699,6 @@ idled:
static int __maybe_unused sysc_runtime_resume(struct device *dev)
{
struct ti_sysc_platform_data *pdata;
struct sysc *ddata;
int error = 0, i;
@ -677,19 +708,11 @@ static int __maybe_unused sysc_runtime_resume(struct device *dev)
return 0;
if (ddata->legacy_mode) {
pdata = dev_get_platdata(ddata->dev);
if (!pdata)
return 0;
error = sysc_runtime_resume_legacy(dev, ddata);
if (!error)
ddata->enabled = true;
if (!pdata->enable_module)
return -ENODEV;
error = pdata->enable_module(dev, &ddata->cookie);
if (error)
dev_err(dev, "%s: could not enable: %i\n",
__func__, error);
goto awake;
return error;
}
for (i = 0; i < ddata->nr_clocks; i++) {
@ -704,7 +727,6 @@ static int __maybe_unused sysc_runtime_resume(struct device *dev)
return error;
}
awake:
ddata->enabled = true;
return error;