[DPU PATCH 09/11] drm/msm/dpu: Remove unused code and move the header

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From: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>

Remove unused code from dpu_io_util.c.  The functions are only
used inside of the msm driver so remove the EXPORT_SYMBOL
tags and move the header dpu_io_util.h from include/linux.

Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
[ryadav@xxxxxxxxxxxxxx: rebased and removed some extra unused code]
Signed-off-by: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/dpu_io_util.c | 380 +-------------------------------------
 drivers/gpu/drm/msm/dpu_io_util.h |  61 ++++++
 drivers/gpu/drm/msm/msm_drv.h     |   1 -
 include/linux/dpu_io_util.h       | 115 ------------
 4 files changed, 66 insertions(+), 491 deletions(-)
 create mode 100644 drivers/gpu/drm/msm/dpu_io_util.h
 delete mode 100644 include/linux/dpu_io_util.h

diff --git a/drivers/gpu/drm/msm/dpu_io_util.c b/drivers/gpu/drm/msm/dpu_io_util.c
index ecc297c..f7caec3 100644
--- a/drivers/gpu/drm/msm/dpu_io_util.c
+++ b/drivers/gpu/drm/msm/dpu_io_util.c
@@ -13,318 +13,9 @@
 
 #include <linux/clk.h>
 #include <linux/err.h>
-#include <linux/io.h>
-#include <linux/regulator/consumer.h>
 #include <linux/delay.h>
-#include <linux/dpu_io_util.h>
 
-#define MAX_I2C_CMDS  16
-void dss_reg_w(struct dss_io_data *io, u32 offset, u32 value, u32 debug)
-{
-	u32 in_val;
-
-	if (!io || !io->base) {
-		DEV_ERR("%pS->%s: invalid input\n",
-			__builtin_return_address(0), __func__);
-		return;
-	}
-
-	if (offset > io->len) {
-		DEV_ERR("%pS->%s: offset out of range\n",
-			__builtin_return_address(0), __func__);
-		return;
-	}
-
-	writel_relaxed(value, io->base + offset);
-	if (debug) {
-		in_val = readl_relaxed(io->base + offset);
-		DEV_DBG("[%08x] => %08x [%08x]\n",
-			(u32)(unsigned long)(io->base + offset),
-			value, in_val);
-	}
-} /* dss_reg_w */
-EXPORT_SYMBOL(dss_reg_w);
-
-u32 dss_reg_r(struct dss_io_data *io, u32 offset, u32 debug)
-{
-	u32 value;
-
-	if (!io || !io->base) {
-		DEV_ERR("%pS->%s: invalid input\n",
-			__builtin_return_address(0), __func__);
-		return -EINVAL;
-	}
-
-	if (offset > io->len) {
-		DEV_ERR("%pS->%s: offset out of range\n",
-			__builtin_return_address(0), __func__);
-		return -EINVAL;
-	}
-
-	value = readl_relaxed(io->base + offset);
-	if (debug)
-		DEV_DBG("[%08x] <= %08x\n",
-			(u32)(unsigned long)(io->base + offset), value);
-
-	return value;
-} /* dss_reg_r */
-EXPORT_SYMBOL(dss_reg_r);
-
-void dss_reg_dump(void __iomem *base, u32 length, const char *prefix,
-	u32 debug)
-{
-	if (debug)
-		print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_OFFSET, 32, 4,
-			(void *)base, length, false);
-} /* dss_reg_dump */
-EXPORT_SYMBOL(dss_reg_dump);
-
-static struct resource *msm_dss_get_res_byname(struct platform_device *pdev,
-	unsigned int type, const char *name)
-{
-	struct resource *res = NULL;
-
-	res = platform_get_resource_byname(pdev, type, name);
-	if (!res)
-		DEV_ERR("%s: '%s' resource not found\n", __func__, name);
-
-	return res;
-} /* msm_dss_get_res_byname */
-EXPORT_SYMBOL(msm_dss_get_res_byname);
-
-int msm_dss_ioremap_byname(struct platform_device *pdev,
-	struct dss_io_data *io_data, const char *name)
-{
-	struct resource *res = NULL;
-
-	if (!pdev || !io_data) {
-		DEV_ERR("%pS->%s: invalid input\n",
-			__builtin_return_address(0), __func__);
-		return -EINVAL;
-	}
-
-	res = msm_dss_get_res_byname(pdev, IORESOURCE_MEM, name);
-	if (!res) {
-		DEV_ERR("%pS->%s: '%s' msm_dss_get_res_byname failed\n",
-			__builtin_return_address(0), __func__, name);
-		return -ENODEV;
-	}
-
-	io_data->len = (u32)resource_size(res);
-	io_data->base = ioremap(res->start, io_data->len);
-	if (!io_data->base) {
-		DEV_ERR("%pS->%s: '%s' ioremap failed\n",
-			__builtin_return_address(0), __func__, name);
-		return -EIO;
-	}
-
-	return 0;
-} /* msm_dss_ioremap_byname */
-EXPORT_SYMBOL(msm_dss_ioremap_byname);
-
-void msm_dss_iounmap(struct dss_io_data *io_data)
-{
-	if (!io_data) {
-		DEV_ERR("%pS->%s: invalid input\n",
-			__builtin_return_address(0), __func__);
-		return;
-	}
-
-	if (io_data->base) {
-		iounmap(io_data->base);
-		io_data->base = NULL;
-	}
-	io_data->len = 0;
-} /* msm_dss_iounmap */
-EXPORT_SYMBOL(msm_dss_iounmap);
-
-int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
-	int num_vreg, int config)
-{
-	int i = 0, rc = 0;
-	struct dss_vreg *curr_vreg = NULL;
-	enum dss_vreg_type type;
-
-	if (!in_vreg || !num_vreg)
-		return rc;
-
-	if (config) {
-		for (i = 0; i < num_vreg; i++) {
-			curr_vreg = &in_vreg[i];
-			curr_vreg->vreg = regulator_get(dev,
-				curr_vreg->vreg_name);
-			rc = PTR_RET(curr_vreg->vreg);
-			if (rc) {
-				DEV_ERR("%pS->%s: %s get failed. rc=%d\n",
-					 __builtin_return_address(0), __func__,
-					 curr_vreg->vreg_name, rc);
-				curr_vreg->vreg = NULL;
-				goto vreg_get_fail;
-			}
-			type = (regulator_count_voltages(curr_vreg->vreg) > 0)
-					? DSS_REG_LDO : DSS_REG_VS;
-			if (type == DSS_REG_LDO) {
-				rc = regulator_set_voltage(
-					curr_vreg->vreg,
-					curr_vreg->min_voltage,
-					curr_vreg->max_voltage);
-				if (rc < 0) {
-					DEV_ERR("%pS->%s: %s set vltg fail\n",
-						__builtin_return_address(0),
-						__func__,
-						curr_vreg->vreg_name);
-					goto vreg_set_voltage_fail;
-				}
-			}
-		}
-	} else {
-		for (i = num_vreg-1; i >= 0; i--) {
-			curr_vreg = &in_vreg[i];
-			if (curr_vreg->vreg) {
-				type = (regulator_count_voltages(
-					curr_vreg->vreg) > 0)
-					? DSS_REG_LDO : DSS_REG_VS;
-				if (type == DSS_REG_LDO) {
-					regulator_set_voltage(curr_vreg->vreg,
-						0, curr_vreg->max_voltage);
-				}
-				regulator_put(curr_vreg->vreg);
-				curr_vreg->vreg = NULL;
-			}
-		}
-	}
-	return 0;
-
-vreg_unconfig:
-if (type == DSS_REG_LDO)
-	regulator_set_load(curr_vreg->vreg, 0);
-
-vreg_set_voltage_fail:
-	regulator_put(curr_vreg->vreg);
-	curr_vreg->vreg = NULL;
-
-vreg_get_fail:
-	for (i--; i >= 0; i--) {
-		curr_vreg = &in_vreg[i];
-		type = (regulator_count_voltages(curr_vreg->vreg) > 0)
-			? DSS_REG_LDO : DSS_REG_VS;
-		goto vreg_unconfig;
-	}
-	return rc;
-} /* msm_dss_config_vreg */
-EXPORT_SYMBOL(msm_dss_config_vreg);
-
-int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
-{
-	int i = 0, rc = 0;
-	bool need_sleep;
-
-	if (enable) {
-		for (i = 0; i < num_vreg; i++) {
-			rc = PTR_RET(in_vreg[i].vreg);
-			if (rc) {
-				DEV_ERR("%pS->%s: %s regulator error. rc=%d\n",
-					__builtin_return_address(0), __func__,
-					in_vreg[i].vreg_name, rc);
-				goto vreg_set_opt_mode_fail;
-			}
-			need_sleep = !regulator_is_enabled(in_vreg[i].vreg);
-			if (in_vreg[i].pre_on_sleep && need_sleep)
-				usleep_range(in_vreg[i].pre_on_sleep * 1000,
-					in_vreg[i].pre_on_sleep * 1000);
-			rc = regulator_set_load(in_vreg[i].vreg,
-				in_vreg[i].enable_load);
-			if (rc < 0) {
-				DEV_ERR("%pS->%s: %s set opt m fail\n",
-					__builtin_return_address(0), __func__,
-					in_vreg[i].vreg_name);
-				goto vreg_set_opt_mode_fail;
-			}
-			rc = regulator_enable(in_vreg[i].vreg);
-			if (in_vreg[i].post_on_sleep && need_sleep)
-				usleep_range(in_vreg[i].post_on_sleep * 1000,
-					in_vreg[i].post_on_sleep * 1000);
-			if (rc < 0) {
-				DEV_ERR("%pS->%s: %s enable failed\n",
-					__builtin_return_address(0), __func__,
-					in_vreg[i].vreg_name);
-				goto disable_vreg;
-			}
-		}
-	} else {
-		for (i = num_vreg-1; i >= 0; i--) {
-			if (in_vreg[i].pre_off_sleep)
-				usleep_range(in_vreg[i].pre_off_sleep * 1000,
-					in_vreg[i].pre_off_sleep * 1000);
-			regulator_set_load(in_vreg[i].vreg,
-				in_vreg[i].disable_load);
-			regulator_disable(in_vreg[i].vreg);
-			if (in_vreg[i].post_off_sleep)
-				usleep_range(in_vreg[i].post_off_sleep * 1000,
-					in_vreg[i].post_off_sleep * 1000);
-		}
-	}
-	return rc;
-
-disable_vreg:
-	regulator_set_load(in_vreg[i].vreg, in_vreg[i].disable_load);
-
-vreg_set_opt_mode_fail:
-	for (i--; i >= 0; i--) {
-		if (in_vreg[i].pre_off_sleep)
-			usleep_range(in_vreg[i].pre_off_sleep * 1000,
-				in_vreg[i].pre_off_sleep * 1000);
-		regulator_set_load(in_vreg[i].vreg,
-			in_vreg[i].disable_load);
-		regulator_disable(in_vreg[i].vreg);
-		if (in_vreg[i].post_off_sleep)
-			usleep_range(in_vreg[i].post_off_sleep * 1000,
-				in_vreg[i].post_off_sleep * 1000);
-	}
-
-	return rc;
-} /* msm_dss_enable_vreg */
-EXPORT_SYMBOL(msm_dss_enable_vreg);
-
-int msm_dss_enable_gpio(struct dss_gpio *in_gpio, int num_gpio, int enable)
-{
-	int i = 0, rc = 0;
-
-	if (enable) {
-		for (i = 0; i < num_gpio; i++) {
-			DEV_DBG("%pS->%s: %s enable\n",
-				__builtin_return_address(0), __func__,
-				in_gpio[i].gpio_name);
-
-			rc = gpio_request(in_gpio[i].gpio,
-				in_gpio[i].gpio_name);
-			if (rc < 0) {
-				DEV_ERR("%pS->%s: %s enable failed\n",
-					__builtin_return_address(0), __func__,
-					in_gpio[i].gpio_name);
-				goto disable_gpio;
-			}
-			gpio_set_value(in_gpio[i].gpio, in_gpio[i].value);
-		}
-	} else {
-		for (i = num_gpio-1; i >= 0; i--) {
-			DEV_DBG("%pS->%s: %s disable\n",
-				__builtin_return_address(0), __func__,
-				in_gpio[i].gpio_name);
-			if (in_gpio[i].gpio)
-				gpio_free(in_gpio[i].gpio);
-		}
-	}
-	return rc;
-
-disable_gpio:
-	for (i--; i >= 0; i--)
-		if (in_gpio[i].gpio)
-			gpio_free(in_gpio[i].gpio);
-
-	return rc;
-} /* msm_dss_enable_gpio */
-EXPORT_SYMBOL(msm_dss_enable_gpio);
+#include "dpu_io_util.h"
 
 void msm_dss_put_clk(struct dss_clk *clk_arry, int num_clk)
 {
@@ -335,8 +26,7 @@ void msm_dss_put_clk(struct dss_clk *clk_arry, int num_clk)
 			clk_put(clk_arry[i].clk);
 		clk_arry[i].clk = NULL;
 	}
-} /* msm_dss_put_clk */
-EXPORT_SYMBOL(msm_dss_put_clk);
+}
 
 int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk)
 {
@@ -363,8 +53,7 @@ int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk)
 	}
 
 	return rc;
-} /* msm_dss_get_clk */
-EXPORT_SYMBOL(msm_dss_get_clk);
+}
 
 int msm_dss_clk_set_rate(struct dss_clk *clk_arry, int num_clk)
 {
@@ -397,8 +86,7 @@ int msm_dss_clk_set_rate(struct dss_clk *clk_arry, int num_clk)
 	}
 
 	return rc;
-} /* msm_dss_clk_set_rate */
-EXPORT_SYMBOL(msm_dss_clk_set_rate);
+}
 
 int msm_dss_enable_clk(struct dss_clk *clk_arry, int num_clk, int enable)
 {
@@ -445,8 +133,7 @@ int msm_dss_enable_clk(struct dss_clk *clk_arry, int num_clk, int enable)
 	}
 
 	return rc;
-} /* msm_dss_enable_clk */
-EXPORT_SYMBOL(msm_dss_enable_clk);
+}
 
 int msm_dss_parse_clock(struct platform_device *pdev,
 		struct dss_module_power *mp)
@@ -497,60 +184,3 @@ int msm_dss_parse_clock(struct platform_device *pdev,
 
 	return rc;
 }
-
-int dpu_i2c_byte_read(struct i2c_client *client, uint8_t slave_addr,
-			uint8_t reg_offset, uint8_t *read_buf)
-{
-	struct i2c_msg msgs[2];
-	int ret = -1;
-
-	pr_debug("%s: reading from slave_addr=[%x] and offset=[%x]\n",
-		 __func__, slave_addr, reg_offset);
-
-	msgs[0].addr = slave_addr >> 1;
-	msgs[0].flags = 0;
-	msgs[0].buf = &reg_offset;
-	msgs[0].len = 1;
-
-	msgs[1].addr = slave_addr >> 1;
-	msgs[1].flags = I2C_M_RD;
-	msgs[1].buf = read_buf;
-	msgs[1].len = 1;
-
-	ret = i2c_transfer(client->adapter, msgs, 2);
-	if (ret < 1) {
-		pr_err("%s: I2C READ FAILED=[%d]\n", __func__, ret);
-		return -EACCES;
-	}
-	pr_debug("%s: i2c buf is [%x]\n", __func__, *read_buf);
-	return 0;
-}
-EXPORT_SYMBOL(dpu_i2c_byte_read);
-
-int dpu_i2c_byte_write(struct i2c_client *client, uint8_t slave_addr,
-			uint8_t reg_offset, uint8_t *value)
-{
-	struct i2c_msg msgs[1];
-	uint8_t data[2];
-	int status = -EACCES;
-
-	pr_debug("%s: writing from slave_addr=[%x] and offset=[%x]\n",
-		 __func__, slave_addr, reg_offset);
-
-	data[0] = reg_offset;
-	data[1] = *value;
-
-	msgs[0].addr = slave_addr >> 1;
-	msgs[0].flags = 0;
-	msgs[0].len = 2;
-	msgs[0].buf = data;
-
-	status = i2c_transfer(client->adapter, msgs, 1);
-	if (status < 1) {
-		pr_err("I2C WRITE FAILED=[%d]\n", status);
-		return -EACCES;
-	}
-	pr_debug("%s: I2C write status=%x\n", __func__, status);
-	return status;
-}
-EXPORT_SYMBOL(dpu_i2c_byte_write);
diff --git a/drivers/gpu/drm/msm/dpu_io_util.h b/drivers/gpu/drm/msm/dpu_io_util.h
new file mode 100644
index 0000000..773b52e
--- /dev/null
+++ b/drivers/gpu/drm/msm/dpu_io_util.h
@@ -0,0 +1,61 @@
+/* Copyright (c) 2012, 2017-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __DPU_IO_UTIL_H__
+#define __DPU_IO_UTIL_H__
+
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#ifdef DEBUG
+#define DEV_DBG(fmt, args...)   pr_err(fmt, ##args)
+#else
+#define DEV_DBG(fmt, args...)   pr_debug(fmt, ##args)
+#endif
+#define DEV_INFO(fmt, args...)  pr_info(fmt, ##args)
+#define DEV_WARN(fmt, args...)  pr_warn(fmt, ##args)
+#define DEV_ERR(fmt, args...)   pr_err(fmt, ##args)
+
+struct dss_gpio {
+	unsigned int gpio;
+	unsigned int value;
+	char gpio_name[32];
+};
+
+enum dss_clk_type {
+	DSS_CLK_AHB, /* no set rate. rate controlled through rpm */
+	DSS_CLK_PCLK,
+};
+
+struct dss_clk {
+	struct clk *clk; /* clk handle */
+	char clk_name[32];
+	enum dss_clk_type type;
+	unsigned long rate;
+	unsigned long max_rate;
+};
+
+struct dss_module_power {
+	unsigned int num_gpio;
+	struct dss_gpio *gpio_config;
+	unsigned int num_clk;
+	struct dss_clk *clk_config;
+};
+
+int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk);
+void msm_dss_put_clk(struct dss_clk *clk_arry, int num_clk);
+int msm_dss_clk_set_rate(struct dss_clk *clk_arry, int num_clk);
+int msm_dss_enable_clk(struct dss_clk *clk_arry, int num_clk, int enable);
+int msm_dss_parse_clock(struct platform_device *pdev,
+		struct dss_module_power *mp);
+#endif /* __DPU_IO_UTIL_H__ */
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index d5937ba..811f7d4 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -33,7 +33,6 @@
 #include <linux/types.h>
 #include <linux/of_graph.h>
 #include <linux/of_device.h>
-#include <linux/dpu_io_util.h>
 #include <asm/sizes.h>
 #include <linux/kthread.h>
 
diff --git a/include/linux/dpu_io_util.h b/include/linux/dpu_io_util.h
deleted file mode 100644
index 45e606f..0000000
--- a/include/linux/dpu_io_util.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/* Copyright (c) 2012, 2017-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __DPU_IO_UTIL_H__
-#define __DPU_IO_UTIL_H__
-
-#include <linux/gpio.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/consumer.h>
-#include <linux/i2c.h>
-#include <linux/types.h>
-
-#ifdef DEBUG
-#define DEV_DBG(fmt, args...)   pr_err(fmt, ##args)
-#else
-#define DEV_DBG(fmt, args...)   pr_debug(fmt, ##args)
-#endif
-#define DEV_INFO(fmt, args...)  pr_info(fmt, ##args)
-#define DEV_WARN(fmt, args...)  pr_warn(fmt, ##args)
-#define DEV_ERR(fmt, args...)   pr_err(fmt, ##args)
-
-struct dss_io_data {
-	u32 len;
-	void __iomem *base;
-};
-
-void dss_reg_w(struct dss_io_data *io, u32 offset, u32 value, u32 debug);
-u32 dss_reg_r(struct dss_io_data *io, u32 offset, u32 debug);
-void dss_reg_dump(void __iomem *base, u32 len, const char *prefix, u32 debug);
-
-#define DSS_REG_W_ND(io, offset, val)  dss_reg_w(io, offset, val, false)
-#define DSS_REG_W(io, offset, val)     dss_reg_w(io, offset, val, true)
-#define DSS_REG_R_ND(io, offset)       dss_reg_r(io, offset, false)
-#define DSS_REG_R(io, offset)          dss_reg_r(io, offset, true)
-
-enum dss_vreg_type {
-	DSS_REG_LDO,
-	DSS_REG_VS,
-};
-
-struct dss_vreg {
-	struct regulator *vreg; /* vreg handle */
-	char vreg_name[32];
-	int min_voltage;
-	int max_voltage;
-	int enable_load;
-	int disable_load;
-	int pre_on_sleep;
-	int post_on_sleep;
-	int pre_off_sleep;
-	int post_off_sleep;
-};
-
-struct dss_gpio {
-	unsigned int gpio;
-	unsigned int value;
-	char gpio_name[32];
-};
-
-enum dss_clk_type {
-	DSS_CLK_AHB, /* no set rate. rate controlled through rpm */
-	DSS_CLK_PCLK,
-	DSS_CLK_OTHER,
-};
-
-struct dss_clk {
-	struct clk *clk; /* clk handle */
-	char clk_name[32];
-	enum dss_clk_type type;
-	unsigned long rate;
-	unsigned long max_rate;
-};
-
-struct dss_module_power {
-	unsigned int num_vreg;
-	struct dss_vreg *vreg_config;
-	unsigned int num_gpio;
-	struct dss_gpio *gpio_config;
-	unsigned int num_clk;
-	struct dss_clk *clk_config;
-};
-
-int msm_dss_ioremap_byname(struct platform_device *pdev,
-	struct dss_io_data *io_data, const char *name);
-void msm_dss_iounmap(struct dss_io_data *io_data);
-
-int msm_dss_enable_gpio(struct dss_gpio *in_gpio, int num_gpio, int enable);
-int msm_dss_gpio_enable(struct dss_gpio *in_gpio, int num_gpio, int enable);
-
-int msm_dss_config_vreg(struct device *dev, struct dss_vreg *in_vreg,
-	int num_vreg, int config);
-int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg,	int enable);
-
-int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk);
-void msm_dss_put_clk(struct dss_clk *clk_arry, int num_clk);
-int msm_dss_clk_set_rate(struct dss_clk *clk_arry, int num_clk);
-int msm_dss_enable_clk(struct dss_clk *clk_arry, int num_clk, int enable);
-int msm_dss_parse_clock(struct platform_device *pdev,
-		struct dss_module_power *mp);
-
-int dpu_i2c_byte_read(struct i2c_client *client, uint8_t slave_addr,
-		       uint8_t reg_offset, uint8_t *read_buf);
-int dpu_i2c_byte_write(struct i2c_client *client, uint8_t slave_addr,
-			uint8_t reg_offset, uint8_t *value);
-
-#endif /* __DPU_IO_UTIL_H__ */
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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