MIPS: SMTC: Move cross VPE writes to after a TC is assigned to VPE.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Raghu Gandham <raghu@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 5 deletions

diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 8a0626cbb108..c16bb6d6c25c 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -465,11 +465,8 @@ void smtc_prepare_cpus(int cpus)
         smtc_configure_tlb();
 
         for (tc = 0, vpe = 0 ; (vpe < nvpe) && (tc < ntc) ; vpe++) {
-                /*
-                 * Set the MVP bits.
-                 */
-                settc(tc);
-                write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | VPECONF0_MVP);
+                if (tcpervpe[vpe] == 0)
+                        continue;
                 if (vpe != 0)
                         printk(", ");
                 printk("VPE %d: TC", vpe);
@@ -488,6 +485,12 @@ void smtc_prepare_cpus(int cpus)
                 }
                 if (vpe != 0) {
                         /*
+                         * Allow this VPE to control others.
+                         */
+                        write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() |
+                                              VPECONF0_MVP);
+
+                        /*
                          * Clear any stale software interrupts from VPE's Cause
                          */
                         write_vpe_c0_cause(0);