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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.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
This commit is contained in:
Dmitry Osipenko 2021-03-31 02:04:45 +03:00 committed by Krzysztof Kozlowski
parent 289471984f
commit f012ade8aa
3 changed files with 25 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/memory/tegra/tegra124-emc.c
View File

@ -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;
@ -1419,8 +1419,8 @@ 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",
hw_version, clk_get_rate(emc->clk) / 1000000);
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 */
err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk));
@ -1475,9 +1475,9 @@ static int tegra_emc_probe(struct platform_device *pdev)
if (err)
return err;
} else {
dev_info(&pdev->dev,
"no memory timings for RAM code %u found in DT\n",
ram_code);
dev_info_once(&pdev->dev,
"no memory timings for RAM code %u found in DT\n",
ram_code);
}
err = emc_init(emc);

20
drivers/memory/tegra/tegra20-emc.c
View File

@ -411,12 +411,12 @@ 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,
"got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
emc->num_timings,
tegra_read_ram_code(),
emc->timings[0].rate / 1000000,
emc->timings[emc->num_timings - 1].rate / 1000000);
dev_info_once(emc->dev,
"got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
emc->num_timings,
tegra_read_ram_code(),
emc->timings[0].rate / 1000000,
emc->timings[emc->num_timings - 1].rate / 1000000);
return 0;
}
@ -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;
}
@ -931,8 +931,8 @@ 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",
hw_version, clk_get_rate(emc->clk) / 1000000);
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 */
err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk));

18
drivers/memory/tegra/tegra30-emc.c
View File

@ -998,12 +998,12 @@ static int emc_load_timings_from_dt(struct tegra_emc *emc,
if (err)
return err;
dev_info(emc->dev,
"got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
emc->num_timings,
tegra_read_ram_code(),
emc->timings[0].rate / 1000000,
emc->timings[emc->num_timings - 1].rate / 1000000);
dev_info_once(emc->dev,
"got %u timings for RAM code %u (min %luMHz max %luMHz)\n",
emc->num_timings,
tegra_read_ram_code(),
emc->timings[0].rate / 1000000,
emc->timings[emc->num_timings - 1].rate / 1000000);
return 0;
}
@ -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;
}
@ -1503,8 +1503,8 @@ 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",
hw_version, clk_get_rate(emc->clk) / 1000000);
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 */
err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk));