Merge branch 'skip_delete_inode' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / sh / mm / tlb-sh3.c

diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 4f5f7cb..7a940db 100644 (file)
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -77,3 +77,22 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
        for (i = 0; i < ways; i++)
                __raw_writel(data, addr + (i << 8));
 }
+
+void local_flush_tlb_all(void)
+{
+       unsigned long flags, status;
+
+       /*
+        * Flush all the TLB.
+        *
+        * Write to the MMU control register's bit:
+        *      TF-bit for SH-3, TI-bit for SH-4.
+        *      It's same position, bit #2.
+        */
+       local_irq_save(flags);
+       status = __raw_readl(MMUCR);
+       status |= 0x04;
+       __raw_writel(status, MMUCR);
+       ctrl_barrier();
+       local_irq_restore(flags);
+}