[PATCH v4 10/25] firmware: xilinx: Remove eemi ops for clock set/get parent

From: Jolly Shah
Date: Thu Apr 09 2020 - 15:13:31 EST


From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>

Use direct function call instead of eemi ops for clock set/get parent.

Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Jolly Shah <jolly.shah@xxxxxxxxxx>
---
drivers/clk/zynqmp/clk-mux-zynqmp.c | 6 ++----
drivers/firmware/xilinx/zynqmp.c | 8 ++++----
include/linux/firmware/xlnx-zynqmp.h | 12 ++++++++++--
3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c
index 0af8f74..0619414 100644
--- a/drivers/clk/zynqmp/clk-mux-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c
@@ -47,9 +47,8 @@ static u8 zynqmp_clk_mux_get_parent(struct clk_hw *hw)
u32 clk_id = mux->clk_id;
u32 val;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

- ret = eemi_ops->clock_getparent(clk_id, &val);
+ ret = zynqmp_pm_clock_getparent(clk_id, &val);

if (ret)
pr_warn_once("%s() getparent failed for clock: %s, ret = %d\n",
@@ -71,9 +70,8 @@ static int zynqmp_clk_mux_set_parent(struct clk_hw *hw, u8 index)
const char *clk_name = clk_hw_get_name(hw);
u32 clk_id = mux->clk_id;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

- ret = eemi_ops->clock_setparent(clk_id, index);
+ ret = zynqmp_pm_clock_setparent(clk_id, index);

if (ret)
pr_warn_once("%s() set parent failed for clock: %s, ret = %d\n",
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 8462201..b0aa967 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -485,11 +485,12 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getrate);
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id)
+int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id)
{
return zynqmp_pm_invoke_fn(PM_CLOCK_SETPARENT, clock_id,
parent_id, 0, 0, NULL);
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_setparent);

/**
* zynqmp_pm_clock_getparent() - Get the clock parent for given id
@@ -501,7 +502,7 @@ static int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id)
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id)
+int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id)
{
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
@@ -512,6 +513,7 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id)

return ret;
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getparent);

/**
* zynqmp_is_valid_ioctl() - Check whether IOCTL ID is valid or not
@@ -744,8 +746,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}

static const struct zynqmp_eemi_ops eemi_ops = {
- .clock_setparent = zynqmp_pm_clock_setparent,
- .clock_getparent = zynqmp_pm_clock_getparent,
.ioctl = zynqmp_pm_ioctl,
.reset_assert = zynqmp_pm_reset_assert,
.reset_get_status = zynqmp_pm_reset_get_status,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index a71f52c..7abb683 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -296,8 +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_setparent)(u32 clock_id, u32 parent_id);
- int (*clock_getparent)(u32 clock_id, u32 *parent_id);
int (*ioctl)(u32 node_id, u32 ioctl_id, u32 arg1, u32 arg2, u32 *out);
int (*reset_assert)(const enum zynqmp_pm_reset reset,
const enum zynqmp_pm_reset_action assert_flag);
@@ -331,6 +329,8 @@ int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider);
int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider);
int zynqmp_pm_clock_setrate(u32 clock_id, u64 rate);
int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate);
+int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id);
+int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id);
#else
static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
@@ -377,6 +377,14 @@ static inline int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate)
{
return -ENODEV;
}
+static inline int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id)
+{
+ return -ENODEV;
+}
+static inline int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id)
+{
+ return -ENODEV;
+}
#endif

#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.7.4