irqchip: mips-gic: Move gic_get_c0_*_int() to asm/mips-gic.h

The linux/irqchip/mips-gic.h header is now almost empty. Move the
declarations of gic_get_c0_compare_int(), gic_get_c0_perfcount_int() &
gic_get_c0_fdc_int() to asm/mips-gic.h in order to close in on being
able to delete the former header.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17046/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/generic/irq.c

@@ -12,7 +12,6 @@
 #include <linux/clk-provider.h>
 #include <linux/clocksource.h>
 #include <linux/init.h>
-#include <linux/irqchip/mips-gic.h>
 #include <linux/types.h>
 
 #include <asm/irq.h>

arch/mips/include/asm/mips-gic.h

@@ -314,4 +314,34 @@ static inline bool mips_gic_present(void)
 	return IS_ENABLED(CONFIG_MIPS_GIC) && mips_gic_base;
 }
 
+/**
+ * gic_get_c0_compare_int() - Return cp0 count/compare interrupt virq
+ *
+ * Determine the virq number to use for the coprocessor 0 count/compare
+ * interrupt, which may be routed via the GIC.
+ *
+ * Returns the virq number or a negative error number.
+ */
+extern int gic_get_c0_compare_int(void);
+
+/**
+ * gic_get_c0_perfcount_int() - Return performance counter interrupt virq
+ *
+ * Determine the virq number to use for CPU performance counter interrupts,
+ * which may be routed via the GIC.
+ *
+ * Returns the virq number or a negative error number.
+ */
+extern int gic_get_c0_perfcount_int(void);
+
+/**
+ * gic_get_c0_fdc_int() - Return fast debug channel interrupt virq
+ *
+ * Determine the virq number to use for fast debug channel (FDC) interrupts,
+ * which may be routed via the GIC.
+ *
+ * Returns the virq number or a negative error number.
+ */
+extern int gic_get_c0_fdc_int(void);
+
 #endif /* __MIPS_ASM_MIPS_CPS_H__ */

arch/mips/mti-malta/malta-time.c

@@ -26,7 +26,6 @@
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
-#include <linux/irqchip/mips-gic.h>
 #include <linux/timex.h>
 #include <linux/mc146818rtc.h>
 

arch/mips/pistachio/time.c

@@ -12,9 +12,9 @@
 #include <linux/clk-provider.h>
 #include <linux/clocksource.h>
 #include <linux/init.h>
-#include <linux/irqchip/mips-gic.h>
 #include <linux/of.h>
 
+#include <asm/mips-cps.h>
 #include <asm/time.h>
 
 unsigned int get_c0_compare_int(void)

arch/mips/ralink/irq-gic.c

@@ -11,7 +11,7 @@
 
 #include <linux/of.h>
 #include <linux/irqchip.h>
-#include <linux/irqchip/mips-gic.h>
+#include <asm/mips-cps.h>
 
 int get_c0_perfcount_int(void)
 {

drivers/irqchip/irq-mips-gic.c

@@ -12,7 +12,6 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/irqchip.h>
-#include <linux/irqchip/mips-gic.h>
 #include <linux/of_address.h>
 #include <linux/sched.h>
 #include <linux/smp.h>

include/linux/irqchip/mips-gic.h

@@ -15,12 +15,4 @@
 #define GIC_UMV_SH_COUNTER_31_00_OFS	0x0000
 #define GIC_UMV_SH_COUNTER_63_32_OFS	0x0004
 
-#ifdef CONFIG_MIPS_GIC
-
-extern int gic_get_c0_compare_int(void);
-extern int gic_get_c0_perfcount_int(void);
-extern int gic_get_c0_fdc_int(void);
-
-#endif /* CONFIG_MIPS_GIC */
-
 #endif /* __LINUX_IRQCHIP_MIPS_GIC_H */