linux-kernel - [PATCH v4 04/25] firmware: xilinx: Remove eemi ops for clock

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Date:   Thu,  9 Apr 2020 12:11:53 -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 04/25] firmware: xilinx: Remove eemi ops for clock_enable

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

Use direct function call for clock_enable instead of eemi ops.

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 | 2 +-
 drivers/clk/zynqmp/pll.c             | 3 +--
 drivers/firmware/xilinx/zynqmp.c     | 4 ++--
 include/linux/firmware/xlnx-zynqmp.h | 6 +++++-
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/zynqmp/clk-gate-zynqmp.c b/drivers/clk/zynqmp/clk-gate-zynqmp.c
index 83b236f..437b921 100644
--- a/drivers/clk/zynqmp/clk-gate-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-gate-zynqmp.c
@@ -39,7 +39,7 @@ static int zynqmp_clk_gate_enable(struct clk_hw *hw)
 	int ret;
 	const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
 
-	ret = eemi_ops->clock_enable(clk_id);
+	ret = zynqmp_pm_clock_enable(clk_id);
 
 	if (ret)
 		pr_warn_once("%s() clock enabled failed for %s, ret = %d\n",
diff --git a/drivers/clk/zynqmp/pll.c b/drivers/clk/zynqmp/pll.c
index 89b5995..153aa67 100644
--- a/drivers/clk/zynqmp/pll.c
+++ b/drivers/clk/zynqmp/pll.c
@@ -246,12 +246,11 @@ static int zynqmp_pll_enable(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 0;
 
-	ret = eemi_ops->clock_enable(clk_id);
+	ret = zynqmp_pm_clock_enable(clk_id);
 	if (ret)
 		pr_warn_once("%s() clock enable 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 3fbab29..da13627 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -351,10 +351,11 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_query_data);
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_clock_enable(u32 clock_id)
+int zynqmp_pm_clock_enable(u32 clock_id)
 {
 	return zynqmp_pm_invoke_fn(PM_CLOCK_ENABLE, clock_id, 0, 0, 0, NULL);
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_clock_enable);
 
 /**
  * zynqmp_pm_clock_disable() - Disable the clock for given id
@@ -737,7 +738,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.clock_enable = zynqmp_pm_clock_enable,
 	.clock_disable = zynqmp_pm_clock_disable,
 	.clock_getstate = zynqmp_pm_clock_getstate,
 	.clock_setdivider = zynqmp_pm_clock_setdivider,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index fa1195c7..77365d1 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_enable)(u32 clock_id);
 	int (*clock_disable)(u32 clock_id);
 	int (*clock_getstate)(u32 clock_id, u32 *state);
 	int (*clock_setdivider)(u32 clock_id, u32 divider);
@@ -331,6 +330,7 @@ const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void);
 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);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -349,6 +349,10 @@ static inline int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata,
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_clock_enable(u32 clock_id)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */
-- 
2.7.4