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@chromium.org>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Qais Yousef <qais.yousef@imgtec.com>
Tested-by: Qais Yousef <qais.yousef@imgtec.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeffrey Deans <jeffrey.deans@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: John Crispin <blogic@openwrt.org>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7812/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e08aeec..e0b7c20 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -320,7 +320,7 @@ 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
@@ -362,7 +362,7 @@ 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
@@ -1073,10 +1073,6 @@ config IRQ_TXX9
 config IRQ_GT641XX
        bool
 
-config IRQ_GIC
-       select MIPS_CM
-       bool
-
 config PCI_GT64XXX_PCI0
        bool
 
@@ -1890,7 +1886,7 @@ 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 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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 b21f12f..f2dde14 100644 (file)
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -125,3 +125,7 @@ config KEYSTONE_IRQ
        help
                Support for Texas Instruments Keystone 2 IRQ controller IP which
                is part of the Keystone 2 IPC mechanism
+
+config MIPS_GIC
+       bool
+       select MIPS_CM

diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 173bb5f..0218330 100644 (file)
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -38,3 +38,4 @@ obj-$(CONFIG_IRQ_CROSSBAR)            += irq-crossbar.o
 obj-$(CONFIG_BRCMSTB_L2_IRQ)           += irq-brcmstb-l2.o \
                                           irq-bcm7120-l2.o
 obj-$(CONFIG_KEYSTONE_IRQ)             += irq-keystone.o
+obj-$(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