irqchip: mips-gic: Remove gic_get_usm_range()
The MIPS VDSO code is no longer reliant upon the irqchip driver to
provide the address of the GIC's user-visible section via
gic_get_usm_range(). Remove the now-dead code.
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/17041/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 6e303df..3e4c79e 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -46,7 +46,6 @@
DECLARE_BITMAP(pcpu_mask, GIC_MAX_INTRS);
};
-static unsigned long __gic_base_addr;
static struct gic_pcpu_mask pcpu_masks[NR_CPUS];
static DEFINE_SPINLOCK(gic_lock);
static struct irq_domain *gic_irq_domain;
@@ -134,17 +133,6 @@
GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_FDC));
}
-int gic_get_usm_range(struct resource *gic_usm_res)
-{
- if (!gic_present)
- return -1;
-
- gic_usm_res->start = __gic_base_addr + USM_VISIBLE_SECTION_OFS;
- gic_usm_res->end = gic_usm_res->start + (USM_VISIBLE_SECTION_SIZE - 1);
-
- return 0;
-}
-
static void gic_handle_shared_int(bool chained)
{
unsigned int intr, virq;
@@ -672,8 +660,6 @@
unsigned int gicconfig, cpu;
unsigned int v[2];
- __gic_base_addr = gic_base_addr;
-
mips_gic_base = ioremap_nocache(gic_base_addr, gic_addrspace_size);
gicconfig = read_gic_config();
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h
index da02a14..843e1bb 100644
--- a/include/linux/irqchip/mips-gic.h
+++ b/include/linux/irqchip/mips-gic.h
@@ -11,10 +11,6 @@
#include <linux/clocksource.h>
#include <linux/ioport.h>
-/* GIC Address Space */
-#define USM_VISIBLE_SECTION_OFS 0x10000
-#define USM_VISIBLE_SECTION_SIZE 0x10000
-
/* User Mode Visible Section Register Map */
#define GIC_UMV_SH_COUNTER_31_00_OFS 0x0000
#define GIC_UMV_SH_COUNTER_63_32_OFS 0x0004
@@ -29,18 +25,11 @@
extern int gic_get_c0_compare_int(void);
extern int gic_get_c0_perfcount_int(void);
extern int gic_get_c0_fdc_int(void);
-extern int gic_get_usm_range(struct resource *gic_usm_res);
#else /* CONFIG_MIPS_GIC */
#define gic_present 0
-static inline int gic_get_usm_range(struct resource *gic_usm_res)
-{
- /* Shouldn't be called. */
- return -1;
-}
-
#endif /* CONFIG_MIPS_GIC */
#endif /* __LINUX_IRQCHIP_MIPS_GIC_H */