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Message-Id: <1410825087-5497-14-git-send-email-abrestic@chromium.org>
Date: Mon, 15 Sep 2014 16:51:16 -0700
From: Andrew Bresticker <abrestic@...omium.org>
To: Ralf Baechle <ralf@...ux-mips.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>
Cc: Andrew Bresticker <abrestic@...omium.org>,
Jeffrey Deans <jeffrey.deans@...tec.com>,
Markos Chandras <markos.chandras@...tec.com>,
Paul Burton <paul.burton@...tec.com>,
Qais Yousef <qais.yousef@...tec.com>,
Jonas Gorski <jogo@...nwrt.org>,
John Crispin <blogic@...nwrt.org>,
David Daney <ddaney.cavm@...il.com>, linux-mips@...ux-mips.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 13/24] MIPS: Move GIC to drivers/irqchip/
Move GIC irqchip support to drivers/irqchip/ and rename the Kconfig
option from IRQ_GIC to MIPS_GIC to avoid confusion with the ARM GIC.
Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
arch/mips/Kconfig | 10 +++-------
arch/mips/kernel/Makefile | 1 -
arch/mips/kernel/cevt-r4k.c | 2 +-
arch/mips/kernel/smp-mt.c | 4 ++--
arch/mips/mti-malta/malta-time.c | 10 +++++-----
drivers/irqchip/Kconfig | 4 ++++
drivers/irqchip/Makefile | 1 +
arch/mips/kernel/irq-gic.c => drivers/irqchip/irq-mips-gic.c | 0
8 files changed, 16 insertions(+), 16 deletions(-)
rename arch/mips/kernel/irq-gic.c => drivers/irqchip/irq-mips-gic.c (100%)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index de72c92..a0720d0 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -319,7 +319,7 @@ config MIPS_MALTA
select GENERIC_ISA_DMA
select HAVE_PCSPKR_PLATFORM
select IRQ_CPU
- select IRQ_GIC
+ select MIPS_GIC
select HW_HAS_PCI
select I8253
select I8259
@@ -360,7 +360,7 @@ config MIPS_SEAD3
select CPU_MIPSR2_IRQ_EI
select DMA_NONCOHERENT
select IRQ_CPU
- select IRQ_GIC
+ select MIPS_GIC
select LIBFDT
select MIPS_MSC
select SYS_HAS_CPU_MIPS32_R1
@@ -1069,10 +1069,6 @@ config IRQ_TXX9
config IRQ_GT641XX
bool
-config IRQ_GIC
- select MIPS_CM
- bool
-
config PCI_GT64XXX_PCI0
bool
@@ -1886,7 +1882,7 @@ config FORCE_MAX_ZONEORDER
config CEVT_GIC
bool "Use GIC global counter for clock events"
- depends on IRQ_GIC && !MIPS_SEAD3
+ depends on MIPS_GIC && !MIPS_SEAD3
help
Use the GIC global counter for the clock events. The R4K clock
event driver is always present, so if the platform ends up not
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 008a2fe..3982e51 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -68,7 +68,6 @@ obj-$(CONFIG_IRQ_CPU_RM7K) += irq-rm7000.o
obj-$(CONFIG_MIPS_MSC) += irq-msc01.o
obj-$(CONFIG_IRQ_TXX9) += irq_txx9.o
obj-$(CONFIG_IRQ_GT641XX) += irq-gt641xx.o
-obj-$(CONFIG_IRQ_GIC) += irq-gic.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_32BIT) += scall32-o32.o
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index bc127e2..5b8f8e3 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -85,7 +85,7 @@ void mips_event_handler(struct clock_event_device *dev)
*/
static int c0_compare_int_pending(void)
{
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (cpu_has_veic)
return gic_get_timer_pending();
#endif
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 21f23ad..d60475f 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -119,7 +119,7 @@ static void vsmp_send_ipi_single(int cpu, unsigned int action)
unsigned long flags;
int vpflags;
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (gic_present) {
gic_send_ipi_single(cpu, action);
return;
@@ -158,7 +158,7 @@ static void vsmp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
static void vsmp_init_secondary(void)
{
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
/* This is Malta specific: IPI,performance and timer interrupts */
if (gic_present)
change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 |
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index a4e035c..17cfc8a 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -70,7 +70,7 @@ static void __init estimate_frequencies(void)
{
unsigned long flags;
unsigned int count, start;
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
unsigned int giccount = 0, gicstart = 0;
#endif
@@ -87,7 +87,7 @@ static void __init estimate_frequencies(void)
/* Initialize counters. */
start = read_c0_count();
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (gic_present)
GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), gicstart);
#endif
@@ -97,7 +97,7 @@ static void __init estimate_frequencies(void)
while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
count = read_c0_count();
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (gic_present)
GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), giccount);
#endif
@@ -107,7 +107,7 @@ static void __init estimate_frequencies(void)
count -= start;
mips_hpt_frequency = count;
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (gic_present) {
giccount -= gicstart;
gic_frequency = giccount;
@@ -189,7 +189,7 @@ void __init plat_time_init(void)
setup_pit_timer();
#endif
-#ifdef CONFIG_IRQ_GIC
+#ifdef CONFIG_MIPS_GIC
if (gic_present) {
freq = freqround(gic_frequency, 5000);
printk("GIC frequency %d.%02d MHz\n", freq/1000000,
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index b8632bf..ddacccf 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -113,3 +113,7 @@ config IRQ_CROSSBAR
The primary irqchip invokes the crossbar's callback which inturn allocates
a free irq and configures the IP. Thus the peripheral interrupts are
routed to one of the free irqchip interrupt lines.
+
+config MIPS_GIC
+ bool
+ select MIPS_CM
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 73052ba..fd47e0d 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -34,3 +34,4 @@ obj-$(CONFIG_XTENSA) += irq-xtensa-pic.o
obj-$(CONFIG_XTENSA_MX) += irq-xtensa-mx.o
obj-$(CONFIG_IRQ_CROSSBAR) += irq-crossbar.o
obj-$(CONFIG_BRCMSTB_L2_IRQ) += irq-brcmstb-l2.o
+obj-$(CONFIG_MIPS_GIC) += irq-mips-gic.o
diff --git a/arch/mips/kernel/irq-gic.c b/drivers/irqchip/irq-mips-gic.c
similarity index 100%
rename from arch/mips/kernel/irq-gic.c
rename to drivers/irqchip/irq-mips-gic.c
--
2.1.0.rc2.206.gedb03e5
--
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