diff options
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index b294f70f1a67..f591be9f01f4 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -19,6 +19,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/msi.h> +#include <linux/vmalloc.h> #include <asm/debugfs.h> #include <asm/prom.h> @@ -196,6 +197,9 @@ static notrace u8 xive_esb_read(struct xive_irq_data *xd, u32 offset) { u64 val; + if (offset == XIVE_ESB_SET_PQ_10 && xd->flags & XIVE_IRQ_FLAG_STORE_EOI) + offset |= XIVE_ESB_LD_ST_MO; + /* Handle HW errata */ if (xd->flags & XIVE_IRQ_FLAG_SHIFT_BUG) offset |= offset << 4; @@ -1017,12 +1021,16 @@ EXPORT_SYMBOL_GPL(is_xive_irq); void xive_cleanup_irq_data(struct xive_irq_data *xd) { if (xd->eoi_mmio) { + unmap_kernel_range((unsigned long)xd->eoi_mmio, + 1u << xd->esb_shift); iounmap(xd->eoi_mmio); if (xd->eoi_mmio == xd->trig_mmio) xd->trig_mmio = NULL; xd->eoi_mmio = NULL; } if (xd->trig_mmio) { + unmap_kernel_range((unsigned long)xd->trig_mmio, + 1u << xd->esb_shift); iounmap(xd->trig_mmio); xd->trig_mmio = NULL; } @@ -1656,7 +1664,8 @@ DEFINE_SHOW_ATTRIBUTE(xive_core_debug); int xive_core_debug_init(void) { - debugfs_create_file("xive", 0400, powerpc_debugfs_root, - NULL, &xive_core_debug_fops); + if (xive_enabled()) + debugfs_create_file("xive", 0400, powerpc_debugfs_root, + NULL, &xive_core_debug_fops); return 0; } |