From: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
To: Vidya Sagar <vidyas@nvidia.com>,
"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
"gustavo.pimentel@synopsys.com" <gustavo.pimentel@synopsys.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"Jisheng.Zhang@synaptics.com" <Jisheng.Zhang@synaptics.com>,
"thierry.reding@gmail.com" <thierry.reding@gmail.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kthota@nvidia.com" <kthota@nvidia.com>,
"mmaddireddy@nvidia.com" <mmaddireddy@nvidia.com>,
"sagar.tv@gmail.com" <sagar.tv@gmail.com>
Subject: RE: [PATCH 1/2] PCI: dwc: Add API support to de-initialize host
Date: Tue, 16 Apr 2019 13:39:03 +0000 [thread overview]
Message-ID: <305100E33629484CBB767107E4246BBB0A22B657@de02wembxa.internal.synopsys.com> (raw)
In-Reply-To: <1554380425-29215-2-git-send-email-vidyas@nvidia.com>
On Thu, Apr 4, 2019 at 13:20:23, Vidya Sagar <vidyas@nvidia.com> wrote:
> Add an API to group all the tasks to be done to de-initialize host which
> can then be called by any Designware core based driver implementations
s/Designware/DesignWare
> while adding .remove() support in their respective drivers.
>
> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
> ---
> drivers/pci/controller/dwc/pcie-designware-host.c | 7 +++++++
> drivers/pci/controller/dwc/pcie-designware.h | 5 +++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index 3e4169e738a5..d7881490282d 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -516,6 +516,13 @@ int dw_pcie_host_init(struct pcie_port *pp)
> return ret;
> }
>
> +void dw_pcie_host_deinit(struct pcie_port *pp)
> +{
> + pci_stop_root_bus(pp->root_bus);
> + pci_remove_root_bus(pp->root_bus);
> + dw_pcie_free_msi(pp);
> +}
> +
> static int dw_pcie_access_other_conf(struct pcie_port *pp, struct pci_bus *bus,
> u32 devfn, int where, int size, u32 *val,
> bool write)
> diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
> index adff0c713665..ea8d1caf11c5 100644
> --- a/drivers/pci/controller/dwc/pcie-designware.h
> +++ b/drivers/pci/controller/dwc/pcie-designware.h
> @@ -343,6 +343,7 @@ void dw_pcie_msi_init(struct pcie_port *pp);
> void dw_pcie_free_msi(struct pcie_port *pp);
> void dw_pcie_setup_rc(struct pcie_port *pp);
> int dw_pcie_host_init(struct pcie_port *pp);
> +void dw_pcie_host_deinit(struct pcie_port *pp);
> int dw_pcie_allocate_domains(struct pcie_port *pp);
> #else
> static inline irqreturn_t dw_handle_msi_irq(struct pcie_port *pp)
> @@ -367,6 +368,10 @@ static inline int dw_pcie_host_init(struct pcie_port *pp)
> return 0;
> }
>
> +static inline void dw_pcie_host_deinit(struct pcie_port *pp)
> +{
> +}
> +
> static inline int dw_pcie_allocate_domains(struct pcie_port *pp)
> {
> return 0;
> --
> 2.7.4
next prev parent reply other threads:[~2019-04-16 13:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-04 12:20 [PATCH 0/2] PCI: dwc: Export symbols to support module build Vidya Sagar
2019-04-04 12:20 ` [PATCH 1/2] PCI: dwc: Add API support to de-initialize host Vidya Sagar
2019-04-16 11:21 ` vidya sagar
2019-04-16 13:39 ` Gustavo Pimentel [this message]
2019-04-04 12:20 ` [PATCH 2/2] PCI: dwc: Export APIs to support .remove() implementation Vidya Sagar
2019-04-16 13:43 ` Gustavo Pimentel
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