memory: tegra: Print out info-level once per driver probe

Probing of EMC drivers may be deferred and in this case we get duplicated
info messages during kernel boot. Use dev_info_once() helper to silence
the duplicated messages.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210330230445.26619-7-digetx@gmail.comSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

drivers/memory/tegra/tegra124-emc.c

@@ -905,7 +905,7 @@ static int emc_init(struct tegra_emc *emc)
 	else
 		emc->dram_bus_width = 32;
 
-	dev_info(emc->dev, "%ubit DRAM bus\n", emc->dram_bus_width);
+	dev_info_once(emc->dev, "%ubit DRAM bus\n", emc->dram_bus_width);
 
 	emc->dram_type &= EMC_FBIO_CFG5_DRAM_TYPE_MASK;
 	emc->dram_type >>= EMC_FBIO_CFG5_DRAM_TYPE_SHIFT;
@@ -1419,7 +1419,7 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 		goto put_hw_table;
 	}
 
-	dev_info(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
+	dev_info_once(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
 		      hw_version, clk_get_rate(emc->clk) / 1000000);
 
 	/* first dummy rate-set initializes voltage state */
@@ -1475,7 +1475,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
 		if (err)
 			return err;
 	} else {
-		dev_info(&pdev->dev,
+		dev_info_once(&pdev->dev,
 			      "no memory timings for RAM code %u found in DT\n",
 			      ram_code);
 	}

drivers/memory/tegra/tegra20-emc.c

@@ -411,7 +411,7 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc,
 	sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings,
 	     NULL);
 
-	dev_info(emc->dev,
+	dev_info_once(emc->dev,
 		      "got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
 		      emc->num_timings,
 		      tegra_read_ram_code(),
@@ -429,7 +429,7 @@ tegra_emc_find_node_by_ram_code(struct device *dev)
 	int err;
 
 	if (of_get_child_count(dev->of_node) == 0) {
-		dev_info(dev, "device-tree doesn't have memory timings\n");
+		dev_info_once(dev, "device-tree doesn't have memory timings\n");
 		return NULL;
 	}
 
@@ -496,7 +496,7 @@ static int emc_setup_hw(struct tegra_emc *emc)
 	else
 		emc->dram_bus_width = 32;
 
-	dev_info(emc->dev, "%ubit DRAM bus\n", emc->dram_bus_width);
+	dev_info_once(emc->dev, "%ubit DRAM bus\n", emc->dram_bus_width);
 
 	return 0;
 }
@@ -931,7 +931,7 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 		goto put_hw_table;
 	}
 
-	dev_info(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
+	dev_info_once(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
 		      hw_version, clk_get_rate(emc->clk) / 1000000);
 
 	/* first dummy rate-set initializes voltage state */

drivers/memory/tegra/tegra30-emc.c

@@ -998,7 +998,7 @@ static int emc_load_timings_from_dt(struct tegra_emc *emc,
 	if (err)
 		return err;
 
-	dev_info(emc->dev,
+	dev_info_once(emc->dev,
 		      "got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
 		      emc->num_timings,
 		      tegra_read_ram_code(),
@@ -1015,7 +1015,7 @@ static struct device_node *emc_find_node_by_ram_code(struct device *dev)
 	int err;
 
 	if (of_get_child_count(dev->of_node) == 0) {
-		dev_info(dev, "device-tree doesn't have memory timings\n");
+		dev_info_once(dev, "device-tree doesn't have memory timings\n");
 		return NULL;
 	}
 
@@ -1503,7 +1503,7 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc)
 		goto put_hw_table;
 	}
 
-	dev_info(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
+	dev_info_once(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n",
 		      hw_version, clk_get_rate(emc->clk) / 1000000);
 
 	/* first dummy rate-set initializes voltage state */