From: Vidya Sagar <vidyas@nvidia.com>
To: <jingoohan1@gmail.com>, <gustavo.pimentel@synopsys.com>,
<lorenzo.pieralisi@arm.com>, <andrew.murray@arm.com>,
<bhelgaas@google.com>, <kishon@ti.com>,
<thierry.reding@gmail.com>
Cc: <Jisheng.Zhang@synaptics.com>, <jonathanh@nvidia.com>,
<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<kthota@nvidia.com>, <mmaddireddy@nvidia.com>,
<vidyas@nvidia.com>, <sagar.tv@gmail.com>
Subject: [PATCH V2 4/5] PCI: dwc: Add API to notify core initialization completion
Date: Fri, 3 Jan 2020 15:37:35 +0530 [thread overview]
Message-ID: <20200103100736.27627-5-vidyas@nvidia.com> (raw)
In-Reply-To: <20200103100736.27627-1-vidyas@nvidia.com>
Add a new API dw_pcie_ep_init_notify() to let platform drivers
call it when the core is available for initialization.
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
---
V2:
* None
drivers/pci/controller/dwc/pcie-designware-ep.c | 7 +++++++
drivers/pci/controller/dwc/pcie-designware.h | 5 +++++
2 files changed, 12 insertions(+)
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index c0ff34e5a1e3..9da2689e77df 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -19,6 +19,13 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
pci_epc_linkup(epc);
}
+void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
+{
+ struct pci_epc *epc = ep->epc;
+
+ pci_epc_init_notify(epc);
+}
+
static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
int flags)
{
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 340783e9032e..f62c5bae6b2d 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -400,6 +400,7 @@ static inline int dw_pcie_allocate_domains(struct pcie_port *pp)
void dw_pcie_ep_linkup(struct dw_pcie_ep *ep);
int dw_pcie_ep_init(struct dw_pcie_ep *ep);
int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep);
+void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep);
void dw_pcie_ep_exit(struct dw_pcie_ep *ep);
int dw_pcie_ep_raise_legacy_irq(struct dw_pcie_ep *ep, u8 func_no);
int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
@@ -422,6 +423,10 @@ static inline int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
return 0;
}
+static inline void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
+{
+}
+
static inline void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
{
}
--
2.17.1
next prev parent reply other threads:[~2020-01-03 10:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-03 10:07 [PATCH V2 0/5] Add support to defer core initialization Vidya Sagar
2020-01-03 10:07 ` [PATCH V2 1/5] PCI: endpoint: Add core init notifying feature Vidya Sagar
2020-01-03 10:07 ` [PATCH V2 2/5] PCI: dwc: Refactor core initialization code for EP mode Vidya Sagar
2020-01-03 10:07 ` [PATCH V2 3/5] PCI: endpoint: Add notification for core init completion Vidya Sagar
2020-01-03 10:07 ` Vidya Sagar [this message]
2020-01-03 10:07 ` [PATCH V2 5/5] PCI: pci-epf-test: Add support to defer core initialization Vidya Sagar
2020-01-11 11:48 ` [PATCH V2 0/5] " Vidya Sagar
2020-01-23 9:24 ` Vidya Sagar
2020-01-23 9:55 ` Kishon Vijay Abraham I
2020-02-03 9:37 ` Vidya Sagar
2020-02-05 6:37 ` Kishon Vijay Abraham I
2020-02-19 13:36 ` Vidya Sagar
2020-02-20 16:00 ` Lorenzo Pieralisi
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