diff options
author | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 20:55:35 +0100 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 20:55:53 +0100 |
commit | 2290c0d06d82faee87b1ab2d9d4f7bf81ef64379 (patch) | |
tree | e075e4d5534193f28e6059904f61e5ca03958d3c /arch/powerpc/sysdev/fsl_msi.c | |
parent | 4da669a2e3e5bc70b30a0465f3641528681b5f77 (diff) | |
parent | 52e4c2a05256cb83cda12f3c2137ab1533344edb (diff) |
Merge branch 'master' into for-next
Sync with Linus tree to have 157550ff ("mtd: add GPMI-NAND driver
in the config and Makefile") as I have patch depending on that one.
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.c')
-rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 419a77239bd..e5c344d336e 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -30,7 +30,7 @@ LIST_HEAD(msi_head); struct fsl_msi_feature { u32 fsl_pic_ip; - u32 msiir_offset; + u32 msiir_offset; /* Offset of MSIIR, relative to start of MSIR bank */ }; struct fsl_msi_cascade_data { @@ -126,10 +126,19 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, { struct fsl_msi *msi_data = fsl_msi_data; struct pci_controller *hose = pci_bus_to_host(pdev->bus); - u64 base = fsl_pci_immrbar_base(hose); + u64 address; /* Physical address of the MSIIR */ + int len; + const u64 *reg; + + /* If the msi-address-64 property exists, then use it */ + reg = of_get_property(hose->dn, "msi-address-64", &len); + if (reg && (len == sizeof(u64))) + address = be64_to_cpup(reg); + else + address = fsl_pci_immrbar_base(hose) + msi_data->msiir_offset; - msg->address_lo = msi_data->msi_addr_lo + lower_32_bits(base); - msg->address_hi = msi_data->msi_addr_hi + upper_32_bits(base); + msg->address_lo = lower_32_bits(address); + msg->address_hi = upper_32_bits(address); msg->data = hwirq; @@ -296,7 +305,7 @@ static int __devinit fsl_msi_setup_hwirq(struct fsl_msi *msi, } msi->msi_virqs[irq_index] = virt_msir; - cascade_data->index = offset + irq_index; + cascade_data->index = offset; cascade_data->msi_data = msi; irq_set_handler_data(virt_msir, cascade_data); irq_set_chained_handler(virt_msir, fsl_msi_cascade); @@ -359,8 +368,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) msi->irqhost->host_data = msi; - msi->msi_addr_hi = 0x0; - msi->msi_addr_lo = features->msiir_offset + (res.start & 0xfffff); + msi->msiir_offset = features->msiir_offset + (res.start & 0xfffff); rc = fsl_msi_init_allocator(msi); if (rc) { @@ -376,8 +384,10 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) goto error_out; } - if (!p) + if (!p) { p = all_avail; + len = sizeof(all_avail); + } for (irq_index = 0, i = 0; i < len / (2 * sizeof(u32)); i++) { if (p[i * 2] % IRQS_PER_MSI_REG || @@ -393,7 +403,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) count = p[i * 2 + 1] / IRQS_PER_MSI_REG; for (j = 0; j < count; j++, irq_index++) { - err = fsl_msi_setup_hwirq(msi, dev, offset, irq_index); + err = fsl_msi_setup_hwirq(msi, dev, offset + j, irq_index); if (err) goto error_out; } |