diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 5e57b605b7c6..75a2dd550625 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -44,10 +44,6 @@ #define ITS_FLAGS_WORKAROUND_CAVIUM_23144 (1ULL << 2) #define ITS_FLAGS_FORCE_NON_SHAREABLE (1ULL << 3) -#define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING (1 << 0) -#define RDIST_FLAGS_RD_TABLES_PREALLOCATED (1 << 1) -#define RDIST_FLAGS_FORCE_NON_SHAREABLE (1 << 2) - #define RD_LOCAL_LPI_ENABLED BIT(0) #define RD_LOCAL_PENDTABLE_PREALLOCATED BIT(1) #define RD_LOCAL_MEMRESERVE_DONE BIT(2) @@ -4754,6 +4750,14 @@ static bool __maybe_unused its_enable_rk3588001(void *data) return true; } +static bool its_set_non_coherent(void *data) +{ + struct its_node *its = data; + + its->flags |= ITS_FLAGS_FORCE_NON_SHAREABLE; + return true; +} + static const struct gic_quirk its_quirks[] = { #ifdef CONFIG_CAVIUM_ERRATUM_22375 { @@ -4809,6 +4813,11 @@ static const struct gic_quirk its_quirks[] = { }, #endif { + .desc = "ITS: non-coherent attribute", + .property = "dma-noncoherent", + .init = its_set_non_coherent, + }, + { } }; @@ -4817,6 +4826,10 @@ static void its_enable_quirks(struct its_node *its) u32 iidr = readl_relaxed(its->base + GITS_IIDR); gic_enable_quirks(iidr, its_quirks, its); + + if (is_of_node(its->fwnode_handle)) + gic_enable_of_quirks(to_of_node(its->fwnode_handle), + its_quirks, its); } static int its_save_disable(void) |