diff options
Diffstat (limited to 'arch/arm/mach-mvebu')
| -rw-r--r-- | arch/arm/mach-mvebu/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/coherency_ll.S | 16 |
3 files changed, 12 insertions, 12 deletions
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index e11acbb0a46..80a8bcacd9d 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -15,6 +15,7 @@ config ARCH_MVEBU select MVEBU_CLK_GATING select MVEBU_MBUS select ZONE_DMA if ARM_LPAE + select ARCH_REQUIRE_GPIOLIB if ARCH_MVEBU diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 42a4cb3087e..1c48890bb72 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -54,13 +54,6 @@ void __init armada_370_xp_init_early(void) char *mbus_soc_name; /* - * Some Armada 370/XP devices allocate their coherent buffers - * from atomic context. Increase size of atomic coherent pool - * to make sure such the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); - - /* * This initialization will be replaced by a DT-based * initialization once the mvebu-mbus driver gains DT support. */ diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S index 53e8391192c..5476669ba90 100644 --- a/arch/arm/mach-mvebu/coherency_ll.S +++ b/arch/arm/mach-mvebu/coherency_ll.S @@ -32,15 +32,21 @@ ENTRY(ll_set_cpu_coherent) /* Add CPU to SMP group - Atomic */ add r3, r0, #ARMADA_XP_CFB_CTL_REG_OFFSET - ldr r2, [r3] +1: + ldrex r2, [r3] orr r2, r2, r1 - str r2, [r3] + strex r0, r2, [r3] + cmp r0, #0 + bne 1b /* Enable coherency on CPU - Atomic */ - add r3, r0, #ARMADA_XP_CFB_CFG_REG_OFFSET - ldr r2, [r3] + add r3, r3, #ARMADA_XP_CFB_CFG_REG_OFFSET +1: + ldrex r2, [r3] orr r2, r2, r1 - str r2, [r3] + strex r0, r2, [r3] + cmp r0, #0 + bne 1b dsb |