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path: root/drivers/pci/controller/cadence
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Diffstat (limited to 'drivers/pci/controller/cadence')
-rw-r--r--drivers/pci/controller/cadence/pcie-cadence-ep.c8
-rw-r--r--drivers/pci/controller/cadence/pcie-cadence-host.c11
-rw-r--r--drivers/pci/controller/cadence/pcie-cadence.h2
3 files changed, 6 insertions, 15 deletions
diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
index b8b655d4047e..08fb16918043 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-ep.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -294,13 +294,14 @@ static int cdns_pcie_ep_set_msix(struct pci_epc *epc, u8 fn, u8 vfn,
struct cdns_pcie *pcie = &ep->pcie;
u32 cap = CDNS_PCIE_EP_FUNC_MSIX_CAP_OFFSET;
u32 val, reg;
+ u16 actual_interrupts = interrupts + 1;
fn = cdns_pcie_get_fn_from_vfn(pcie, fn, vfn);
reg = cap + PCI_MSIX_FLAGS;
val = cdns_pcie_ep_fn_readw(pcie, fn, reg);
val &= ~PCI_MSIX_FLAGS_QSIZE;
- val |= interrupts;
+ val |= interrupts; /* 0's based value */
cdns_pcie_ep_fn_writew(pcie, fn, reg, val);
/* Set MSIX BAR and offset */
@@ -310,7 +311,7 @@ static int cdns_pcie_ep_set_msix(struct pci_epc *epc, u8 fn, u8 vfn,
/* Set PBA BAR and offset. BAR must match MSIX BAR */
reg = cap + PCI_MSIX_PBA;
- val = (offset + (interrupts * PCI_MSIX_ENTRY_SIZE)) | bir;
+ val = (offset + (actual_interrupts * PCI_MSIX_ENTRY_SIZE)) | bir;
cdns_pcie_ep_fn_writel(pcie, fn, reg, val);
return 0;
@@ -354,8 +355,7 @@ static void cdns_pcie_ep_assert_intx(struct cdns_pcie_ep *ep, u8 fn, u8 intx,
spin_unlock_irqrestore(&ep->lock, flags);
offset = CDNS_PCIE_NORMAL_MSG_ROUTING(MSG_ROUTING_LOCAL) |
- CDNS_PCIE_NORMAL_MSG_CODE(msg_code) |
- CDNS_PCIE_MSG_NO_DATA;
+ CDNS_PCIE_NORMAL_MSG_CODE(msg_code);
writel(0, ep->irq_cpu_addr + offset);
}
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 5b14f7ee3c79..0a1b11d41a38 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -558,14 +558,5 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
if (!bridge->ops)
bridge->ops = &cdns_pcie_host_ops;
- ret = pci_host_probe(bridge);
- if (ret < 0)
- goto err_init;
-
- return 0;
-
- err_init:
- pm_runtime_put_sync(dev);
-
- return ret;
+ return pci_host_probe(bridge);
}
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index 190786e47df9..2891e8c16a59 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -240,7 +240,7 @@ struct cdns_pcie_rp_ib_bar {
#define CDNS_PCIE_NORMAL_MSG_CODE_MASK GENMASK(15, 8)
#define CDNS_PCIE_NORMAL_MSG_CODE(code) \
(((code) << 8) & CDNS_PCIE_NORMAL_MSG_CODE_MASK)
-#define CDNS_PCIE_MSG_NO_DATA BIT(16)
+#define CDNS_PCIE_MSG_DATA BIT(16)
struct cdns_pcie;