add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/drivers/gpu/arm/mali400/mali/linux/mali_devfreq.c
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@@ -12,6 +12,7 @@
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 #include "mali_kernel_common.h"
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13
 
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 #include <linux/clk.h>
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+#include <linux/clk-provider.h>
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 #include <linux/devfreq.h>
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 #include <linux/regulator/consumer.h>
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 #include <linux/regulator/driver.h>
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@@ -87,13 +88,17 @@
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 		return 0;
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 	}
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+	err = clk_bulk_enable(mdev->num_clks, mdev->clks);
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+	if (err)
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+		return err;
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+
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 #ifdef CONFIG_REGULATOR
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 	if (mdev->regulator && mdev->current_voltage != voltage &&
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 	    old_freq < freq) {
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 		err = regulator_set_voltage(mdev->regulator, voltage, INT_MAX);
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 		if (err) {
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 			MALI_PRINT_ERROR(("Failed to increase voltage (%d)\n", err));
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-			return err;
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+			goto err;
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 		}
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 	}
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 #endif
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@@ -101,8 +106,9 @@
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 	err = clk_set_rate(mdev->clock, freq);
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 	if (err) {
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 		MALI_PRINT_ERROR(("Failed to set clock %lu (target %lu)\n", freq, *target_freq));
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-		return err;
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+		goto err;
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 	}
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+
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 	*target_freq = freq;
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 	mdev->current_freq = freq;
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 	if (mdev->devfreq)
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@@ -114,7 +120,7 @@
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 		err = regulator_set_voltage(mdev->regulator, voltage, INT_MAX);
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 		if (err) {
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 			MALI_PRINT_ERROR(("Failed to decrease voltage (%d)\n", err));
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-			return err;
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+			goto err;
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 		}
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 	}
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 #endif
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@@ -122,6 +128,8 @@
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 	mdev->current_voltage = voltage;
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 	mali_pm_reset_dvfs_utilisation(mdev);
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+err:
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+	clk_bulk_disable(mdev->num_clks, mdev->clks);
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 	return err;
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 }