[PATCH v4 05/25] firmware: xilinx: Remove eemi ops for clock_disable

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


From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>

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

Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Jolly Shah <jolly.shah@xxxxxxxxxx>
---
drivers/clk/zynqmp/clk-gate-zynqmp.c | 4 +---
drivers/clk/zynqmp/pll.c | 3 +--
drivers/firmware/xilinx/zynqmp.c | 4 ++--
include/linux/firmware/xlnx-zynqmp.h | 6 +++++-
4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/clk/zynqmp/clk-gate-zynqmp.c b/drivers/clk/zynqmp/clk-gate-zynqmp.c
index 437b921..11f1b97 100644
--- a/drivers/clk/zynqmp/clk-gate-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-gate-zynqmp.c
@@ -37,7 +37,6 @@ static int zynqmp_clk_gate_enable(struct clk_hw *hw)
const char *clk_name = clk_hw_get_name(hw);
u32 clk_id = gate->clk_id;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

ret = zynqmp_pm_clock_enable(clk_id);

@@ -58,9 +57,8 @@ static void zynqmp_clk_gate_disable(struct clk_hw *hw)
const char *clk_name = clk_hw_get_name(hw);
u32 clk_id = gate->clk_id;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

- ret = eemi_ops->clock_disable(clk_id);
+ ret = zynqmp_pm_clock_disable(clk_id);

if (ret)
pr_warn_once("%s() clock disable failed for %s, ret = %d\n",
diff --git a/drivers/clk/zynqmp/pll.c b/drivers/clk/zynqmp/pll.c
index 153aa67..38b8dbc 100644
--- a/drivers/clk/zynqmp/pll.c
+++ b/drivers/clk/zynqmp/pll.c
@@ -268,12 +268,11 @@ static void zynqmp_pll_disable(struct clk_hw *hw)
const char *clk_name = clk_hw_get_name(hw);
u32 clk_id = clk->clk_id;
int ret;
- const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();

if (!zynqmp_pll_is_enabled(hw))
return;

- ret = eemi_ops->clock_disable(clk_id);
+ ret = zynqmp_pm_clock_disable(clk_id);
if (ret)
pr_warn_once("%s() clock disable 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 da13627..d884805 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -366,10 +366,11 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable);
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_clock_disable(u32 clock_id)
+int zynqmp_pm_clock_disable(u32 clock_id)
{
return zynqmp_pm_invoke_fn(PM_CLOCK_DISABLE, clock_id, 0, 0, 0, NULL);
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_disable);

/**
* zynqmp_pm_clock_getstate() - Get the clock state for given id
@@ -738,7 +739,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}

static const struct zynqmp_eemi_ops eemi_ops = {
- .clock_disable = zynqmp_pm_clock_disable,
.clock_getstate = zynqmp_pm_clock_getstate,
.clock_setdivider = zynqmp_pm_clock_setdivider,
.clock_getdivider = zynqmp_pm_clock_getdivider,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 77365d1..f9a84d9 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_disable)(u32 clock_id);
int (*clock_getstate)(u32 clock_id, u32 *state);
int (*clock_setdivider)(u32 clock_id, u32 divider);
int (*clock_getdivider)(u32 clock_id, u32 *divider);
@@ -331,6 +330,7 @@ int zynqmp_pm_get_api_version(u32 *version);
int zynqmp_pm_get_chipid(u32 *idcode, u32 *version);
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);
#else
static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
@@ -353,6 +353,10 @@ static inline int zynqmp_pm_clock_enable(u32 clock_id)
{
return -ENODEV;
}
+static inline int zynqmp_pm_clock_disable(u32 clock_id)
+{
+ return -ENODEV;
+}
#endif

#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.7.4