[PATCH V2 4/4] bcma: enable support for PCIe Gen 2 host devices
From: Rafał Miłecki <zajec5@gmail.com>
Date: 2015-02-08 15:32:00
Subsystem:
broadcom specific amba driver (bcma), the rest · Maintainers:
Rafał Miłecki, Linus Torvalds
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> --- drivers/bcma/bcma_private.h | 1 + drivers/bcma/host_pci.c | 15 ++++++++++++++- drivers/bcma/main.c | 2 +- 3 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index 3692912..29565e3 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h@@ -26,6 +26,7 @@ bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, int timeout); void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core); void bcma_init_bus(struct bcma_bus *bus); +void bcma_unregister_cores(struct bcma_bus *bus); int bcma_bus_register(struct bcma_bus *bus); void bcma_bus_unregister(struct bcma_bus *bus); int __init bcma_bus_early_register(struct bcma_bus *bus);
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index 5fb87a8..a62a2f9 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c@@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pci_dev *dev, /* Initialize struct, detect chip */ bcma_init_bus(bus); + /* Scan bus to find out generation of PCIe core */ + err = bcma_bus_scan(bus); + if (err) + goto err_pci_unmap_mmio; + + if (bcma_find_core(bus, BCMA_CORE_PCIE2)) + bus->host_is_pcie2 = true; + /* Register */ err = bcma_bus_register(bus); if (err) - goto err_pci_unmap_mmio; + goto err_unregister_cores; pci_set_drvdata(dev, bus); out: return err; +err_unregister_cores: + bcma_unregister_cores(bus); err_pci_unmap_mmio: pci_iounmap(dev, bus->mmio); err_pci_release_regions:
@@ -283,9 +293,12 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 38bde6e..9635f10 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c@@ -363,7 +363,7 @@ static int bcma_register_devices(struct bcma_bus *bus) return 0; } -static void bcma_unregister_cores(struct bcma_bus *bus) +void bcma_unregister_cores(struct bcma_bus *bus) { struct bcma_device *core, *tmp;
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1.8.4.5