diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-05 08:03:52 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-07-21 11:56:38 +0300 |
| commit | 388dc1c3f003539c82e0f1436019955df78aa9f9 (patch) | |
| tree | 70df203a9313b9739e9b2c00eea5345c2b862392 /arch/powerpc/platforms | |
| parent | 166dd7d3fbf2df183926f0e4b4855f6cbd8da945 (diff) | |
| download | linux-388dc1c3f003539c82e0f1436019955df78aa9f9.tar.xz | |
powerpc/pasemi: Remove IOBMAP allocation from platform probe()
These days, memblocks is available later, so we can just allocate it
as part of iob_init.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/iommu.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/pasemi.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/setup.c | 2 |
3 files changed, 5 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index c929644e74a6..43dd3fb514e0 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -202,6 +202,11 @@ int __init iob_init(struct device_node *dn) pr_debug(" -> %s\n", __func__); + /* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */ + iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000)); + + printk(KERN_INFO "IOBMAP L2 allocated at: %p\n", iob_l2_base); + /* Allocate a spare page to map all invalid IOTLB pages. */ tmp = memblock_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE); if (!tmp) @@ -260,13 +265,3 @@ void __init iommu_init_early_pasemi(void) set_pci_dma_ops(&dma_iommu_ops); } -void __init alloc_iobmap_l2(void) -{ -#ifndef CONFIG_PPC_PASEMI_IOMMU - return; -#endif - /* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */ - iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000)); - - printk(KERN_INFO "IOBMAP L2 allocated at: %p\n", iob_l2_base); -} diff --git a/arch/powerpc/platforms/pasemi/pasemi.h b/arch/powerpc/platforms/pasemi/pasemi.h index 11f230a48227..74cbcb357612 100644 --- a/arch/powerpc/platforms/pasemi/pasemi.h +++ b/arch/powerpc/platforms/pasemi/pasemi.h @@ -8,7 +8,6 @@ extern void pas_pci_dma_dev_setup(struct pci_dev *dev); extern void __iomem *pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset); -extern void __init alloc_iobmap_l2(void); extern void __init pasemi_map_registers(void); /* Power savings modes, implemented in asm */ diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 924d01d9b375..d120f7a9e4ad 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -426,8 +426,6 @@ static int __init pas_probe(void) !of_flat_dt_is_compatible(root, "pasemi,pwrficient")) return 0; - alloc_iobmap_l2(); - return 1; } |