i2c: stm32f7_i2c: migrate trace to dev and log macro

Change debug to dev_dbg macro and define LOG_CATEGORY.

Remove the "%s:" __func__  header as it is managed by dev macro
(dev->name is displayed) or log macro (CONFIG_LOGF_FUNC).

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c
index 6553bdc..7b04a09 100644 (file)
--- a/drivers/i2c/stm32f7_i2c.c
+++ b/drivers/i2c/stm32f7_i2c.c
@@ -3,6 +3,8 @@
  * (C) Copyright 2017 STMicroelectronics
  */
 
+#define LOG_CATEGORY UCLASS_I2C
+
 #include <common.h>
 #include <clk.h>
 #include <dm.h>
@@ -11,10 +13,10 @@
 #include <regmap.h>
 #include <reset.h>
 #include <syscon.h>
+#include <dm/device.h>
+#include <dm/device_compat.h>
 #include <linux/bitops.h>
 #include <linux/delay.h>
-
-#include <dm/device.h>
 #include <linux/err.h>
 #include <linux/io.h>
 
@@ -346,7 +348,7 @@ static int stm32_i2c_wait_flags(struct stm32_i2c_priv *i2c_priv,
        *status = readl(&regs->isr);
        while (!(*status & flags)) {
                if (get_timer(time_start) > CONFIG_SYS_HZ) {
-                       debug("%s: i2c timeout\n", __func__);
+                       log_debug("i2c timeout\n");
                        return -ETIMEDOUT;
                }
 
@@ -369,7 +371,7 @@ static int stm32_i2c_check_end_of_message(struct stm32_i2c_priv *i2c_priv)
                return ret;
 
        if (status & STM32_I2C_ISR_BERR) {
-               debug("%s: Bus error\n", __func__);
+               log_debug("Bus error\n");
 
                /* Clear BERR flag */
                setbits_le32(&regs->icr, STM32_I2C_ICR_BERRCF);
@@ -378,7 +380,7 @@ static int stm32_i2c_check_end_of_message(struct stm32_i2c_priv *i2c_priv)
        }
 
        if (status & STM32_I2C_ISR_ARLO) {
-               debug("%s: Arbitration lost\n", __func__);
+               log_debug("Arbitration lost\n");
 
                /* Clear ARLO flag */
                setbits_le32(&regs->icr, STM32_I2C_ICR_ARLOCF);
@@ -387,7 +389,7 @@ static int stm32_i2c_check_end_of_message(struct stm32_i2c_priv *i2c_priv)
        }
 
        if (status & STM32_I2C_ISR_NACKF) {
-               debug("%s: Receive NACK\n", __func__);
+               log_debug("Receive NACK\n");
 
                /* Clear NACK flag */
                setbits_le32(&regs->icr, STM32_I2C_ICR_NACKCF);
@@ -535,8 +537,8 @@ static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup,
        if (sdadel_max < 0)
                sdadel_max = 0;
 
-       debug("%s: SDADEL(min/max): %i/%i, SCLDEL(Min): %i\n", __func__,
-             sdadel_min, sdadel_max, scldel_min);
+       log_debug("SDADEL(min/max): %i/%i, SCLDEL(Min): %i\n",
+                 sdadel_min, sdadel_max, scldel_min);
 
        /* Compute possible values for PRESC, SCLDEL and SDADEL */
        for (p = 0; p < STM32_PRESC_MAX; p++) {
@@ -572,7 +574,7 @@ static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup,
        }
 
        if (list_empty(solutions)) {
-               pr_err("%s: no Prescaler solution\n", __func__);
+               log_err("no Prescaler solution\n");
                ret = -EPERM;
        }
 
@@ -656,7 +658,7 @@ static int stm32_i2c_choose_solution(struct stm32_i2c_setup *setup,
        }
 
        if (!sol_found) {
-               pr_err("%s: no solution at all\n", __func__);
+               log_err("no solution at all\n");
                ret = -EPERM;
        }
 
@@ -686,23 +688,22 @@ static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv,
 
        specs = get_specs(setup->speed_freq);
        if (specs == ERR_PTR(-EINVAL)) {
-               pr_err("%s: speed out of bound {%d}\n", __func__,
-                      setup->speed_freq);
+               log_err("speed out of bound {%d}\n",
+                       setup->speed_freq);
                return -EINVAL;
        }
 
        if (setup->rise_time > specs->rise_max ||
            setup->fall_time > specs->fall_max) {
-               pr_err("%s :timings out of bound Rise{%d>%d}/Fall{%d>%d}\n",
-                      __func__,
-                      setup->rise_time, specs->rise_max,
-                      setup->fall_time, specs->fall_max);
+               log_err("timings out of bound Rise{%d>%d}/Fall{%d>%d}\n",
+                       setup->rise_time, specs->rise_max,
+                       setup->fall_time, specs->fall_max);
                return -EINVAL;
        }
 
        if (setup->dnf > STM32_I2C_DNF_MAX) {
-               pr_err("%s: DNF out of bound %d/%d\n", __func__,
-                      setup->dnf, STM32_I2C_DNF_MAX);
+               log_err("DNF out of bound %d/%d\n",
+                       setup->dnf, STM32_I2C_DNF_MAX);
                return -EINVAL;
        }
 
@@ -715,10 +716,10 @@ static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv,
        if (ret)
                goto exit;
 
-       debug("%s: Presc: %i, scldel: %i, sdadel: %i, scll: %i, sclh: %i\n",
-             __func__, output->presc,
-             output->scldel, output->sdadel,
-             output->scll, output->sclh);
+       log_debug("Presc: %i, scldel: %i, sdadel: %i, scll: %i, sclh: %i\n",
+                 output->presc,
+                 output->scldel, output->sdadel,
+                 output->scll, output->sclh);
 
 exit:
        /* Release list and memory */
@@ -751,20 +752,19 @@ static int stm32_i2c_setup_timing(struct stm32_i2c_priv *i2c_priv,
        setup->clock_src = clk_get_rate(&i2c_priv->clk);
 
        if (!setup->clock_src) {
-               pr_err("%s: clock rate is 0\n", __func__);
+               log_err("clock rate is 0\n");
                return -EINVAL;
        }
 
        do {
                ret = stm32_i2c_compute_timing(i2c_priv, setup, timing);
                if (ret) {
-                       debug("%s: failed to compute I2C timings.\n",
-                             __func__);
+                       log_debug("failed to compute I2C timings.\n");
                        if (setup->speed_freq > I2C_SPEED_STANDARD_RATE) {
                                setup->speed_freq =
                                        get_lower_rate(setup->speed_freq);
-                               debug("%s: downgrade I2C Speed Freq to (%i)\n",
-                                     __func__, setup->speed_freq);
+                               log_debug("downgrade I2C Speed Freq to (%i)\n",
+                                         setup->speed_freq);
                        } else {
                                break;
                        }
@@ -772,16 +772,16 @@ static int stm32_i2c_setup_timing(struct stm32_i2c_priv *i2c_priv,
        } while (ret);
 
        if (ret) {
-               pr_err("%s: impossible to compute I2C timings.\n", __func__);
+               log_err("impossible to compute I2C timings.\n");
                return ret;
        }
 
-       debug("%s: I2C Freq(%i), Clk Source(%i)\n", __func__,
-             setup->speed_freq, setup->clock_src);
-       debug("%s: I2C Rise(%i) and Fall(%i) Time\n", __func__,
-             setup->rise_time, setup->fall_time);
-       debug("%s: I2C Analog Filter(%s), DNF(%i)\n", __func__,
-             setup->analog_filter ? "On" : "Off", setup->dnf);
+       log_debug("I2C Freq(%i), Clk Source(%i)\n",
+                 setup->speed_freq, setup->clock_src);
+       log_debug("I2C Rise(%i) and Fall(%i) Time\n",
+                 setup->rise_time, setup->fall_time);
+       log_debug("I2C Analog Filter(%s), DNF(%i)\n",
+                 setup->analog_filter ? "On" : "Off", setup->dnf);
 
        i2c_priv->speed = setup->speed_freq;
 
@@ -848,12 +848,12 @@ static int stm32_i2c_hw_config(struct stm32_i2c_priv *i2c_priv)
        return 0;
 }
 
-static int stm32_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
+static int stm32_i2c_set_bus_speed(struct udevice *dev, unsigned int speed)
 {
-       struct stm32_i2c_priv *i2c_priv = dev_get_priv(bus);
+       struct stm32_i2c_priv *i2c_priv = dev_get_priv(dev);
 
        if (speed > I2C_SPEED_FAST_PLUS_RATE) {
-               debug("%s: Speed %d not supported\n", __func__, speed);
+               dev_dbg(dev, "Speed %d not supported\n", speed);
                return -EINVAL;
        }