[PATCH v4 07/25] firmware: xilinx: Remove eemi ops for clock_setdivider

From: Jolly Shah
Date: Thu Apr 09 2020 - 15:13:54 EST


From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>

Use direct function call instead of using eemi ops for
clock_setdivider.

Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Jolly Shah <jolly.shah@xxxxxxxxxx>
---
drivers/clk/zynqmp/divider.c | 3 +--
drivers/clk/zynqmp/pll.c | 4 ++--
drivers/firmware/xilinx/zynqmp.c | 4 ++--
include/linux/firmware/xlnx-zynqmp.h | 6 +++++-
4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index e21f4ea..13041cd 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -219,7 +219,6 @@ static int zynqmp_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
u32 div_type = divider->div_type;
u32 value, div;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

value = zynqmp_divider_get_val(parent_rate, rate, divider->flags);
if (div_type == TYPE_DIV1) {
@@ -233,7 +232,7 @@ static int zynqmp_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
div = __ffs(div);

- ret = eemi_ops->clock_setdivider(clk_id, div);
+ ret = zynqmp_pm_clock_setdivider(clk_id, div);

if (ret)
pr_warn_once("%s() set divider failed for %s, ret = %d\n",
diff --git a/drivers/clk/zynqmp/pll.c b/drivers/clk/zynqmp/pll.c
index 41f376a..95fad06 100644
--- a/drivers/clk/zynqmp/pll.c
+++ b/drivers/clk/zynqmp/pll.c
@@ -187,7 +187,7 @@ static int zynqmp_pll_set_rate(struct clk_hw *hw, unsigned long rate,
rate = parent_rate * m;
frac = (parent_rate * f) / FRAC_DIV;

- ret = eemi_ops->clock_setdivider(clk_id, m);
+ ret = zynqmp_pm_clock_setdivider(clk_id, m);
if (ret == -EUSERS)
WARN(1, "More than allowed devices are using the %s, which is forbidden\n",
clk_name);
@@ -201,7 +201,7 @@ static int zynqmp_pll_set_rate(struct clk_hw *hw, unsigned long rate,

fbdiv = DIV_ROUND_CLOSEST(rate, parent_rate);
fbdiv = clamp_t(u32, fbdiv, PLL_FBDIV_MIN, PLL_FBDIV_MAX);
- ret = eemi_ops->clock_setdivider(clk_id, fbdiv);
+ ret = zynqmp_pm_clock_setdivider(clk_id, fbdiv);
if (ret)
pr_warn_once("%s() set divider failed for %s, ret = %d\n",
__func__, clk_name, ret);
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index c11b528..ef2412d 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -405,11 +405,12 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getstate);
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider)
+int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider)
{
return zynqmp_pm_invoke_fn(PM_CLOCK_SETDIVIDER, clock_id, divider,
0, 0, NULL);
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setdivider);

/**
* zynqmp_pm_clock_getdivider() - Get the clock divider for given id
@@ -740,7 +741,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}

static const struct zynqmp_eemi_ops eemi_ops = {
- .clock_setdivider = zynqmp_pm_clock_setdivider,
.clock_getdivider = zynqmp_pm_clock_getdivider,
.clock_setrate = zynqmp_pm_clock_setrate,
.clock_getrate = zynqmp_pm_clock_getrate,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index e874f0c..023f1f9 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -296,7 +296,6 @@ struct zynqmp_pm_query_data {
struct zynqmp_eemi_ops {
int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
int (*fpga_get_status)(u32 *value);
- int (*clock_setdivider)(u32 clock_id, u32 divider);
int (*clock_getdivider)(u32 clock_id, u32 *divider);
int (*clock_setrate)(u32 clock_id, u64 rate);
int (*clock_getrate)(u32 clock_id, u64 *rate);
@@ -331,6 +330,7 @@ int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out);
int zynqmp_pm_clock_enable(u32 clock_id);
int zynqmp_pm_clock_disable(u32 clock_id);
int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state);
+int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider);
#else
static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
@@ -361,6 +361,10 @@ static inline int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
{
return -ENODEV;
}
+static inline int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider)
+{
+ return -ENODEV;
+}
#endif

#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.7.4