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From:   Jolly Shah <jolly.shah@xilinx.com>
To:     ard.biesheuvel@linaro.org, mingo@kernel.org,
        gregkh@linuxfoundation.org, matt@codeblueprint.co.uk,
        sudeep.holla@arm.com, hkallweit1@gmail.com, keescook@chromium.org,
        dmitry.torokhov@gmail.com, michal.simek@xilinx.com
Cc:     rajanv@xilinx.com, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, Rajan Vaja <rajan.vaja@xilinx.com>,
        Jolly Shah <jolly.shah@xilinx.com>
Subject: [PATCH v4 03/25] firmware: xilinx: Remove eemi ops for query_data
Date:   Thu,  9 Apr 2020 12:11:52 -0700
Message-Id: <1586459534-8997-4-git-send-email-jolly.shah@xilinx.com>
In-Reply-To: <1586459534-8997-1-git-send-email-jolly.shah@xilinx.com>
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From: Rajan Vaja <rajan.vaja@xilinx.com>

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

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
---
 drivers/clk/zynqmp/clkc.c              | 17 ++++++-----------
 drivers/clk/zynqmp/divider.c           |  3 +--
 drivers/firmware/xilinx/zynqmp-debug.c |  3 +--
 drivers/firmware/xilinx/zynqmp.c       |  4 ++--
 include/linux/firmware/xlnx-zynqmp.h   |  7 ++++++-
 5 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index 10e89f2..5eed5ce 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -134,7 +134,6 @@ static struct clk_hw *(* const clk_topology[]) (const char *name, u32 clk_id,
 static struct zynqmp_clock *clock;
 static struct clk_hw_onecell_data *zynqmp_data;
 static unsigned int clock_max_idx;
-static const struct zynqmp_eemi_ops *eemi_ops;
 
 /**
  * zynqmp_is_valid_clock() - Check whether clock is valid or not
@@ -206,7 +205,7 @@ static int zynqmp_pm_clock_get_num_clocks(u32 *nclocks)
 
 	qdata.qid = PM_QID_CLOCK_GET_NUM_CLOCKS;
 
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	*nclocks = ret_payload[1];
 
 	return ret;
@@ -231,7 +230,7 @@ static int zynqmp_pm_clock_get_name(u32 clock_id,
 	qdata.qid = PM_QID_CLOCK_GET_NAME;
 	qdata.arg1 = clock_id;
 
-	eemi_ops->query_data(qdata, ret_payload);
+	zynqmp_pm_query_data(qdata, ret_payload);
 	memcpy(response, ret_payload, sizeof(*response));
 
 	return 0;
@@ -265,7 +264,7 @@ static int zynqmp_pm_clock_get_topology(u32 clock_id, u32 index,
 	qdata.arg1 = clock_id;
 	qdata.arg2 = index;
 
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	memcpy(response, &ret_payload[1], sizeof(*response));
 
 	return ret;
@@ -296,7 +295,7 @@ struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name, u32 clk_id,
 	qdata.qid = PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS;
 	qdata.arg1 = clk_id;
 
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	if (ret)
 		return ERR_PTR(ret);
 
@@ -339,7 +338,7 @@ static int zynqmp_pm_clock_get_parents(u32 clock_id, u32 index,
 	qdata.arg1 = clock_id;
 	qdata.arg2 = index;
 
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	memcpy(response, &ret_payload[1], sizeof(*response));
 
 	return ret;
@@ -364,7 +363,7 @@ static int zynqmp_pm_clock_get_attributes(u32 clock_id,
 	qdata.qid = PM_QID_CLOCK_GET_ATTRIBUTES;
 	qdata.arg1 = clock_id;
 
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	memcpy(response, &ret_payload[1], sizeof(*response));
 
 	return ret;
@@ -738,10 +737,6 @@ static int zynqmp_clock_probe(struct platform_device *pdev)
 	int ret;
 	struct device *dev = &pdev->dev;
 
-	eemi_ops = zynqmp_pm_get_eemi_ops();
-	if (IS_ERR(eemi_ops))
-		return PTR_ERR(eemi_ops);
-
 	ret = zynqmp_clk_setup(dev->of_node);
 
 	return ret;
diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index 4be2cc7..e21f4ea 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -258,7 +258,6 @@ static const struct clk_ops zynqmp_clk_divider_ops = {
  */
 u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 type)
 {
-	const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
 	struct zynqmp_pm_query_data qdata = {0};
 	u32 ret_payload[PAYLOAD_ARG_CNT];
 	int ret;
@@ -266,7 +265,7 @@ u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 type)
 	qdata.qid = PM_QID_CLOCK_GET_MAX_DIVISOR;
 	qdata.arg1 = clk_id;
 	qdata.arg2 = type;
-	ret = eemi_ops->query_data(qdata, ret_payload);
+	ret = zynqmp_pm_query_data(qdata, ret_payload);
 	/*
 	 * To maintain backward compatibility return maximum possible value
 	 * (0xFFFF) if query for max divisor is not successful.
diff --git a/drivers/firmware/xilinx/zynqmp-debug.c b/drivers/firmware/xilinx/zynqmp-debug.c
index de4faf2..c396f29 100644
--- a/drivers/firmware/xilinx/zynqmp-debug.c
+++ b/drivers/firmware/xilinx/zynqmp-debug.c
@@ -85,7 +85,6 @@ static int get_pm_api_id(char *pm_api_req, u32 *pm_id)
 
 static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret)
 {
-	const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
 	u32 pm_api_version;
 	int ret;
 	struct zynqmp_pm_query_data qdata = {0};
@@ -102,7 +101,7 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret)
 		qdata.arg2 = pm_api_arg[2];
 		qdata.arg3 = pm_api_arg[3];
 
-		ret = eemi_ops->query_data(qdata, pm_api_ret);
+		ret = zynqmp_pm_query_data(qdata, pm_api_ret);
 		if (ret)
 			break;
 
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 36ab9ac..3fbab29 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -326,7 +326,7 @@ static int get_set_conduit_method(struct device_node *np)
  *
  * Return: Returns status, either success or error+reason
  */
-static int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out)
+int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out)
 {
 	int ret;
 
@@ -340,6 +340,7 @@ static int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out)
 	 */
 	return qdata.qid == PM_QID_CLOCK_GET_NAME ? 0 : ret;
 }
+EXPORT_SYMBOL_GPL(zynqmp_pm_query_data);
 
 /**
  * zynqmp_pm_clock_enable() - Enable the clock for given id
@@ -736,7 +737,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
 }
 
 static const struct zynqmp_eemi_ops eemi_ops = {
-	.query_data = zynqmp_pm_query_data,
 	.clock_enable = zynqmp_pm_clock_enable,
 	.clock_disable = zynqmp_pm_clock_disable,
 	.clock_getstate = zynqmp_pm_clock_getstate,
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 89f6a53..fa1195c7 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 (*query_data)(struct zynqmp_pm_query_data qdata, u32 *out);
 	int (*clock_enable)(u32 clock_id);
 	int (*clock_disable)(u32 clock_id);
 	int (*clock_getstate)(u32 clock_id, u32 *state);
@@ -331,6 +330,7 @@ int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
 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);
 #else
 static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
 {
@@ -344,6 +344,11 @@ static inline int zynqmp_pm_get_chipid(u32 *idcode, u32 *version)
 {
 	return -ENODEV;
 }
+static inline int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata,
+				       u32 *out)
+{
+	return -ENODEV;
+}
 #endif
 
 #endif /* __FIRMWARE_ZYNQMP_H__ */
-- 
2.7.4