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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 16:34:40 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 16:34:40 (GMT) |
commit | c818c778b0384e5d9e8184ec43b73e05a7ced86f (patch) | |
tree | 2d50257ac6f94448f1dfe2bb65b4ff5aa383fe4a /arch/powerpc/sysdev | |
parent | c8de2fa4dc2778ae3605925c127b3deac54b2b3a (diff) | |
parent | 5737789c8340620d7b542d1d4e9b197de8eb2801 (diff) | |
download | linux-fsl-qoriq-c818c778b0384e5d9e8184ec43b73e05a7ced86f.tar.xz |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Benjamin Herrenschmidt:
"Here are a few more powerpc bits that I would like in 3.10.
Mostly remaining bolts & screw tightening of power8 support such as
actually exposing the new features via the previously added AT_HWCAP2,
and a few fixes, some of them for problems exposed recently like
irqdomain warnings or sysfs access permission issues, some exposed by
power8 hardware.
The only change outside of arch/powerpc is a small one to irqdomain.c
to allow silent failure to fix a problem on Cell where we get a dozen
WARN_ON's tripping at boot for what is basically a normal case."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Make hard_irq_disable() do the right thing vs. irq tracing
powerpc/topology: Fix spurr attribute permission
powerpc/pci: Support per-aperture memory offset
powerpc/cell/iommu: Improve error message for missing node
powerpc/cell/spufs: Fix status attribute permission
irqdomain: Allow quiet failure mode
powerpc/pnv: Fix "compatible" property for P8 PHB
powerpc/pci: Don't add bogus empty resources to PHBs
powerpc/powerpnv: Properly handle failure starting CPUs
powerpc/cputable: Advertise support for ISEL/HTM/DSCR/TAR on POWER8
powerpc/cputable: Advertise ISEL support on appropriate embedded processors
powerpc/cputable: Advertise DSCR support on P7/P7+
powerpc/cputable: Reserve bits in HWCAP2 for new features
powerpc/pseries: Perform proper max_bus_speed detection
powerpc/pseries: Force 32 bit MSIs for devices that require it
powerpc/tm: Fix null pointer deference in flush_hash_page
powerpc/powernv: Defer OPAL exception handler registration
powerpc: Emulate non privileged DSCR read and write
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 11 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 14 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_pci.c | 15 |
3 files changed, 26 insertions, 14 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index cffe7ed..028ac1f 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -178,7 +178,7 @@ static void setup_pci_atmu(struct pci_controller *hose) struct ccsr_pci __iomem *pci = hose->private_data; int i, j, n, mem_log, win_idx = 3, start_idx = 1, end_idx = 4; u64 mem, sz, paddr_hi = 0; - u64 paddr_lo = ULLONG_MAX; + u64 offset = 0, paddr_lo = ULLONG_MAX; u32 pcicsrbar = 0, pcicsrbar_sz; u32 piwar = PIWAR_EN | PIWAR_PF | PIWAR_TGI_LOCAL | PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP; @@ -208,8 +208,9 @@ static void setup_pci_atmu(struct pci_controller *hose) paddr_lo = min(paddr_lo, (u64)hose->mem_resources[i].start); paddr_hi = max(paddr_hi, (u64)hose->mem_resources[i].end); - n = setup_one_atmu(pci, j, &hose->mem_resources[i], - hose->pci_mem_offset); + /* We assume all memory resources have the same offset */ + offset = hose->mem_offset[i]; + n = setup_one_atmu(pci, j, &hose->mem_resources[i], offset); if (n < 0 || j >= 5) { pr_err("Ran out of outbound PCI ATMUs for resource %d!\n", i); @@ -239,8 +240,8 @@ static void setup_pci_atmu(struct pci_controller *hose) } /* convert to pci address space */ - paddr_hi -= hose->pci_mem_offset; - paddr_lo -= hose->pci_mem_offset; + paddr_hi -= offset; + paddr_lo -= offset; if (paddr_hi == paddr_lo) { pr_err("%s: No outbound window space\n", name); diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index d30e6a6..ee21b5e 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1001,8 +1001,12 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq, if (hw == mpic->spurious_vec) return -EINVAL; - if (mpic->protected && test_bit(hw, mpic->protected)) - return -EINVAL; + if (mpic->protected && test_bit(hw, mpic->protected)) { + pr_warning("mpic: Mapping of source 0x%x failed, " + "source protected by firmware !\n",\ + (unsigned int)hw); + return -EPERM; + } #ifdef CONFIG_SMP else if (hw >= mpic->ipi_vecs[0]) { @@ -1029,8 +1033,12 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq, if (mpic_map_error_int(mpic, virq, hw)) return 0; - if (hw >= mpic->num_sources) + if (hw >= mpic->num_sources) { + pr_warning("mpic: Mapping of source 0x%x failed, " + "source out of range !\n",\ + (unsigned int)hw); return -EINVAL; + } mpic_msi_reserve_hwirq(mpic, hw); diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index 56e8b3c..64603a1 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -257,6 +257,7 @@ static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose, /* Setup outbound memory windows */ for (i = j = 0; i < 3; i++) { struct resource *res = &hose->mem_resources[i]; + resource_size_t offset = hose->mem_offset[i]; /* we only care about memory windows */ if (!(res->flags & IORESOURCE_MEM)) @@ -270,7 +271,7 @@ static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose, /* Configure the resource */ if (ppc4xx_setup_one_pci_PMM(hose, reg, res->start, - res->start - hose->pci_mem_offset, + res->start - offset, resource_size(res), res->flags, j) == 0) { @@ -279,7 +280,7 @@ static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose, /* If the resource PCI address is 0 then we have our * ISA memory hole */ - if (res->start == hose->pci_mem_offset) + if (res->start == offset) found_isa_hole = 1; } } @@ -457,6 +458,7 @@ static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose, /* Setup outbound memory windows */ for (i = j = 0; i < 3; i++) { struct resource *res = &hose->mem_resources[i]; + resource_size_t offset = hose->mem_offset[i]; /* we only care about memory windows */ if (!(res->flags & IORESOURCE_MEM)) @@ -470,7 +472,7 @@ static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose, /* Configure the resource */ if (ppc4xx_setup_one_pcix_POM(hose, reg, res->start, - res->start - hose->pci_mem_offset, + res->start - offset, resource_size(res), res->flags, j) == 0) { @@ -479,7 +481,7 @@ static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose, /* If the resource PCI address is 0 then we have our * ISA memory hole */ - if (res->start == hose->pci_mem_offset) + if (res->start == offset) found_isa_hole = 1; } } @@ -1792,6 +1794,7 @@ static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port, /* Setup outbound memory windows */ for (i = j = 0; i < 3; i++) { struct resource *res = &hose->mem_resources[i]; + resource_size_t offset = hose->mem_offset[i]; /* we only care about memory windows */ if (!(res->flags & IORESOURCE_MEM)) @@ -1805,7 +1808,7 @@ static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port, /* Configure the resource */ if (ppc4xx_setup_one_pciex_POM(port, hose, mbase, res->start, - res->start - hose->pci_mem_offset, + res->start - offset, resource_size(res), res->flags, j) == 0) { @@ -1814,7 +1817,7 @@ static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port, /* If the resource PCI address is 0 then we have our * ISA memory hole */ - if (res->start == hose->pci_mem_offset) + if (res->start == offset) found_isa_hole = 1; } } |