diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index b704214390c0..6b0a8d6b53a3 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -121,7 +121,16 @@ struct its_node { #define ITS_ITT_ALIGN SZ_256 /* The maximum number of VPEID bits supported by VLPI commands */ -#define ITS_MAX_VPEID_BITS (16) +#define ITS_MAX_VPEID_BITS \ + ({ \ + int nvpeid = 16; \ + if (gic_rdists->has_rvpeid && \ + gic_rdists->gicd_typer2 & GICD_TYPER2_VIL) \ + nvpeid = 1 + (gic_rdists->gicd_typer2 & \ + GICD_TYPER2_VID); \ + \ + nvpeid; \ + }) #define ITS_MAX_VPEID (1 << (ITS_MAX_VPEID_BITS)) /* Convert page order to size in bytes */ |