add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/arch/arm/mach-omap2/omap-smp.c
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@@ -69,7 +69,7 @@
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 	.startup_addr = omap5_secondary_startup,
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 };
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-static DEFINE_SPINLOCK(boot_lock);
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+static DEFINE_RAW_SPINLOCK(boot_lock);
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 void __iomem *omap4_get_scu_base(void)
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 {
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@@ -177,8 +177,8 @@
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 	/*
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 	 * Synchronise with the boot thread.
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 	 */
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-	spin_lock(&boot_lock);
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-	spin_unlock(&boot_lock);
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+	raw_spin_lock(&boot_lock);
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+	raw_spin_unlock(&boot_lock);
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 }
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 static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
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@@ -191,7 +191,7 @@
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 	 * Set synchronisation state between this boot processor
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 	 * and the secondary one
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 	 */
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-	spin_lock(&boot_lock);
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+	raw_spin_lock(&boot_lock);
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 	/*
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 	 * Update the AuxCoreBoot0 with boot state for secondary core.
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@@ -270,7 +270,7 @@
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 	 * Now the secondary core is starting up let it run its
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 	 * calibrations, then wait for it to finish
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 	 */
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-	spin_unlock(&boot_lock);
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+	raw_spin_unlock(&boot_lock);
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 	return 0;
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 }