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Message-ID: <1449058920-21011-19-git-send-email-qais.yousef@imgtec.com>
Date: Wed, 2 Dec 2015 12:21:59 +0000
From: Qais Yousef <qais.yousef@...tec.com>
To: <linux-kernel@...r.kernel.org>
CC: <tglx@...utronix.de>, <jason@...edaemon.net>,
<marc.zyngier@....com>, <jiang.liu@...ux.intel.com>,
<ralf@...ux-mips.org>, <linux-mips@...ux-mips.org>,
Qais Yousef <qais.yousef@...tec.com>
Subject: [PATCH v3 18/19] MIPS: Delete smp-gic.c
We now have a generic IPI layer that will use GIC automatically
if it's compiled in.
Signed-off-by: Qais Yousef <qais.yousef@...tec.com>
---
arch/mips/Kconfig | 6 -----
arch/mips/kernel/Makefile | 1 -
arch/mips/kernel/smp-gic.c | 64 ----------------------------------------------
3 files changed, 71 deletions(-)
delete mode 100644 arch/mips/kernel/smp-gic.c
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e3aa5b0b4ef1..5a73c1217af7 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2123,7 +2123,6 @@ config MIPS_MT_SMP
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select SYNC_R4K
- select MIPS_GIC_IPI
select MIPS_MT
select SMP
select SMP_UP
@@ -2221,7 +2220,6 @@ config MIPS_VPE_APSP_API_MT
config MIPS_CMP
bool "MIPS CMP framework support (DEPRECATED)"
depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
- select MIPS_GIC_IPI
select SMP
select SYNC_R4K
select SYS_SUPPORTS_SMP
@@ -2241,7 +2239,6 @@ config MIPS_CPS
select MIPS_CM
select MIPS_CPC
select MIPS_CPS_PM if HOTPLUG_CPU
- select MIPS_GIC_IPI
select SMP
select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
select SYS_SUPPORTS_HOTPLUG_CPU
@@ -2259,9 +2256,6 @@ config MIPS_CPS_PM
select MIPS_CPC
bool
-config MIPS_GIC_IPI
- bool
-
config MIPS_CM
bool
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index d982be1ea1c3..a4bfc41d46b5 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -51,7 +51,6 @@ obj-$(CONFIG_MIPS_MT_FPAFF) += mips-mt-fpaff.o
obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o
obj-$(CONFIG_MIPS_CMP) += smp-cmp.o
obj-$(CONFIG_MIPS_CPS) += smp-cps.o cps-vec.o
-obj-$(CONFIG_MIPS_GIC_IPI) += smp-gic.o
obj-$(CONFIG_MIPS_SPRAM) += spram.o
obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o
diff --git a/arch/mips/kernel/smp-gic.c b/arch/mips/kernel/smp-gic.c
deleted file mode 100644
index 5f0ab5bcd01e..000000000000
--- a/arch/mips/kernel/smp-gic.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@...tec.com>
- *
- * Based on smp-cmp.c:
- * Copyright (C) 2007 MIPS Technologies, Inc.
- * Author: Chris Dearman (chris@...s.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/irqchip/mips-gic.h>
-#include <linux/printk.h>
-
-#include <asm/mips-cpc.h>
-#include <asm/smp-ops.h>
-
-void gic_send_ipi_single(int cpu, unsigned int action)
-{
- unsigned long flags;
- unsigned int intr;
- unsigned int core = cpu_data[cpu].core;
-
- pr_debug("CPU%d: %s cpu %d action %u status %08x\n",
- smp_processor_id(), __func__, cpu, action, read_c0_status());
-
- local_irq_save(flags);
-
- switch (action) {
- case SMP_CALL_FUNCTION:
- intr = plat_ipi_call_int_xlate(cpu);
- break;
-
- case SMP_RESCHEDULE_YOURSELF:
- intr = plat_ipi_resched_int_xlate(cpu);
- break;
-
- default:
- BUG();
- }
-
- gic_send_ipi(intr);
-
- if (mips_cpc_present() && (core != current_cpu_data.core)) {
- while (!cpumask_test_cpu(cpu, &cpu_coherent_mask)) {
- mips_cpc_lock_other(core);
- write_cpc_co_cmd(CPC_Cx_CMD_PWRUP);
- mips_cpc_unlock_other();
- }
- }
-
- local_irq_restore(flags);
-}
-
-void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action)
-{
- unsigned int i;
-
- for_each_cpu(i, mask)
- gic_send_ipi_single(i, action);
-}
--
2.1.0
--
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