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-rw-r--r--arch/blackfin/mach-bf561/hotplug.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/arch/blackfin/mach-bf561/hotplug.c b/arch/blackfin/mach-bf561/hotplug.c
deleted file mode 100644
index 0123117b8ff2..000000000000
--- a/arch/blackfin/mach-bf561/hotplug.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright 2007-2009 Analog Devices Inc.
- * Graff Yang <graf.yang@analog.com>
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/smp.h>
-#include <asm/blackfin.h>
-#include <asm/cacheflush.h>
-#include <mach/pll.h>
-
-int hotplug_coreb;
-
-void platform_cpu_die(void)
-{
- unsigned long iwr;
-
- hotplug_coreb = 1;
-
- /*
- * When CoreB wakes up, the code in _coreb_trampoline_start cannot
- * turn off the data cache. This causes the CoreB failed to boot.
- * As a workaround, we invalidate all the data cache before sleep.
- */
- blackfin_invalidate_entire_dcache();
-
- /* disable core timer */
- bfin_write_TCNTL(0);
-
- /* clear ipi interrupt IRQ_SUPPLE_0 of CoreB */
- bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + 1)));
- SSYNC();
-
- /* set CoreB wakeup by ipi0, iwr will be discarded */
- bfin_iwr_set_sup0(&iwr, &iwr, &iwr);
- SSYNC();
-
- coreb_die();
-}