static void pc_clk_disable(struct clk *clk)
{
int id = to_pcom_clk(clk)->id;
/* Ignore clocks that are always on */
if (id == P_EBI1_CLK || id == P_EBI1_FIXED_CLK)
return;
msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
}
static int pc_clk_set_ext_config(struct clk *clk, unsigned long config)
{
int id = to_pcom_clk(clk)->id;
unsigned c = config;
int rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_EXT_CONFIG, &id, &c);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
static int pc_clk_set_max_rate(struct clk *clk, unsigned long rate)
{
int id = to_pcom_clk(clk)->id;
unsigned r = rate;
int rc = msm_proc_comm(PCOM_CLKCTL_RPC_MAX_RATE, &id, &r);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
static int pc_clk_set_rate(struct clk *clk, unsigned rate)
{
/* The rate _might_ be rounded off to the nearest KHz value by the
* remote function. So a return value of 0 doesn't necessarily mean
* that the exact rate was set successfully.
*/
int id = to_pcom_clk(clk)->id;
int rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
static int _pc_clk_set_min_rate(struct clk *clk, unsigned long rate)
{
int rc;
int id = to_pcom_clk(clk)->id;
bool ignore_error = (cpu_is_msm7x27() && id == P_EBI1_CLK &&
rate >= INT_MAX);
unsigned r = rate;
rc = msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &r);
if (rc < 0)
return rc;
else if (ignore_error)
return 0;
else
return (int)id < 0 ? -EINVAL : 0;
}
/*
* glue for the proc_comm interface
*/
static int pc_clk_enable(struct clk *clk)
{
int rc;
int id = to_pcom_clk(clk)->id;
/* Ignore clocks that are always on */
if (id == P_EBI1_CLK || id == P_EBI1_FIXED_CLK)
return 0;
rc = msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
/*
* glue for the proc_comm interface
*/
static int pc_clk_enable(struct clk *clk)
{
int rc;
int id = to_pcom_clk(clk)->id;
/* Ignore clocks that are always on */
if (id == P_EBI1_CLK || id == P_EBI1_FIXED_CLK)
return 0;
/* FIXME: disable clock id 86 initialy.
* this clock block CP sleep.
* this problem looks like Qualcomm issue.
* Use follow code temporary until solve that.
*/
if (id == 86) return 0;
rc = msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
if (rc < 0)
return rc;
else
return (int)id < 0 ? -EINVAL : 0;
}
static int pc_reset(struct clk *clk, enum clk_reset_action action)
{
int id = to_pcom_clk(clk)->id;
return pc_clk_reset(id, action);
}
