linux-kernel - [PATCH v4 06/25] firmware: xilinx: Remove eemi ops for clock

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Date:   Thu,  9 Apr 2020 12:11:55 -0700
From:   Jolly Shah <jolly.shah@...inx.com>
To:     ard.biesheuvel@...aro.org, mingo@...nel.org,
        gregkh@...uxfoundation.org, matt@...eblueprint.co.uk,
        sudeep.holla@....com, hkallweit1@...il.com, keescook@...omium.org,
        dmitry.torokhov@...il.com, michal.simek@...inx.com
Cc:     rajanv@...inx.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Rajan Vaja <rajan.vaja@...inx.com>,
        Jolly Shah <jolly.shah@...inx.com>
Subject: [PATCH v4 06/25] firmware: xilinx: Remove eemi ops for clock_getstate

From: Rajan Vaja <rajan.vaja@...inx.com>

Use direct function call instead of eemi ops for clock_getstate.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
---
 drivers/clk/zynqmp/clk-gate-zynqmp.c | 3 +--
 drivers/clk/zynqmp/pll.c             | 3 +--
 drivers/firmware/xilinx/zynqmp.c     | 4 ++--
 include/linux/firmware/xlnx-zynqmp.h | 6 +++++-
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/zynqmp/clk-gate-zynqmp.c b/drivers/clk/zynqmp/clk-gate-zynqmp.c
index 11f1b97..10c9b88 100644
--- a/drivers/clk/zynqmp/clk-gate-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-gate-zynqmp.c
@@ -77,9 +77,8 @@ static int zynqmp_clk_gate_is_enabled(struct clk_hw *hw)
 	const char *clk_name = clk_hw_get_name(hw);
 	u32 clk_id = gate->clk_id;
 	int state, ret;
-	const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
 
-	ret = eemi_ops->clock_getstate(clk_id, &state);
+	ret = zynqmp_pm_clock_getstate(clk_id, &state);
 	if (ret) {
 		pr_warn_once("%s() clock get state failed for %s, ret = %d\n",
 			     __func__, clk_name, ret);
diff --git a/drivers/clk/zynqmp/pll.c b/drivers/clk/zynqmp/pll.c
index 38b8dbc..41f376a 100644
--- a/drivers/clk/zynqmp/pll.c
+++ b/drivers/clk/zynqmp/pll.c
@@ -222,9 +222,8 @@ static int zynqmp_pll_is_enabled(struct clk_hw *hw)
 	u32 clk_id = clk->clk_id;
 	unsigned int state;
 	int ret;
-	const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
 
-	ret = eemi_ops->clock_getstate(clk_id, &state);
+	ret = zynqmp_pm_clock_getstate(clk_id, &state);
 	if (ret) {
 		pr_warn_once("%s() clock get state 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 d884805..c11b528 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -382,7 +382,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_clock_disable);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
+int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
 {
 	u32 ret_payload[PAYLOAD_ARG_CNT];
 	int ret;
@@ -393,6 +393,7 @@ static int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_getstate);
 
 /**
  * zynqmp_pm_clock_setdivider() - Set the clock divider for given id
@@ -739,7 +740,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.clock_getstate = zynqmp_pm_clock_getstate,
 	.clock_setdivider = zynqmp_pm_clock_setdivider,
 	.clock_getdivider = zynqmp_pm_clock_getdivider,
 	.clock_setrate = zynqmp_pm_clock_setrate,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index f9a84d9..e874f0c 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_getstate)(u32 clock_id, u32 *state);
 	int (*clock_setdivider)(u32 clock_id, u32 divider);
 	int (*clock_getdivider)(u32 clock_id, u32 *divider);
 	int (*clock_setrate)(u32 clock_id, u64 rate);
@@ -331,6 +330,7 @@ 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);
+int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -357,6 +357,10 @@ static inline int zynqmp_pm_clock_disable(u32 clock_id)
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */
-- 
2.7.4