[3/3] powerpc/xive: Remove xive_kexec_teardown_cpu()

Message ID 20180411051801.30194-3-benh@kernel.crashing.org
State New
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Series
  • [1/3] powerpc/xive: Fix trying to "push" an already active pool VP
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Commit Message

Benjamin Herrenschmidt April 11, 2018, 5:18 a.m.
It's identical to xive_teardown_cpu() so just use the latter

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/xive.h        |  1 -
 arch/powerpc/platforms/powernv/setup.c |  2 +-
 arch/powerpc/platforms/pseries/kexec.c |  2 +-
 arch/powerpc/sysdev/xive/common.c      | 22 ----------------------
 4 files changed, 2 insertions(+), 25 deletions(-)

Patch

diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
index 8d1a2792484f..3c704f5dd3ae 100644
--- a/arch/powerpc/include/asm/xive.h
+++ b/arch/powerpc/include/asm/xive.h
@@ -87,7 +87,6 @@  extern int  xive_smp_prepare_cpu(unsigned int cpu);
 extern void xive_smp_setup_cpu(void);
 extern void xive_smp_disable_cpu(void);
 extern void xive_teardown_cpu(void);
-extern void xive_kexec_teardown_cpu(int secondary);
 extern void xive_shutdown(void);
 extern void xive_flush_interrupt(void);
 
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 092715b9674b..5b4b09816791 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -282,7 +282,7 @@  static void pnv_kexec_cpu_down(int crash_shutdown, int secondary)
 	u64 reinit_flags;
 
 	if (xive_enabled())
-		xive_kexec_teardown_cpu(secondary);
+		xive_teardown_cpu();
 	else
 		xics_kexec_teardown_cpu(secondary);
 
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index eeb13429d685..9dabf019556b 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -53,7 +53,7 @@  void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
 	}
 
 	if (xive_enabled())
-		xive_kexec_teardown_cpu(secondary);
+		xive_teardown_cpu();
 	else
 		xics_kexec_teardown_cpu(secondary);
 }
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index 40c06110821c..c8db51b60b4b 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -1408,28 +1408,6 @@  void xive_teardown_cpu(void)
 	xive_cleanup_cpu_queues(cpu, xc);
 }
 
-void xive_kexec_teardown_cpu(int secondary)
-{
-	struct xive_cpu *xc = __this_cpu_read(xive_cpu);
-	unsigned int cpu = smp_processor_id();
-
-	/* Set CPPR to 0 to disable flow of interrupts */
-	xc->cppr = 0;
-	out_8(xive_tima + xive_tima_offset + TM_CPPR, 0);
-
-	/* Backend cleanup if any */
-	if (xive_ops->teardown_cpu)
-		xive_ops->teardown_cpu(cpu, xc);
-
-#ifdef CONFIG_SMP
-	/* Get rid of IPI */
-	xive_cleanup_cpu_ipi(cpu, xc);
-#endif
-
-	/* Disable and free the queues */
-	xive_cleanup_cpu_queues(cpu, xc);
-}
-
 void xive_shutdown(void)
 {
 	xive_ops->shutdown();