From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Srinath Mannam <srinath.mannam@broadcom.com>
Cc: Rob Herring <robh@kernel.org>,
Andrew Murray <andrew.murray@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Christoph Hellwig <hch@infradead.org>,
Robin Murphy <robin.murphy@arm.com>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Will Deacon <will@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Toan Le <toan@os.amperecomputing.com>,
Ley Foon Tan <lftan@altera.com>, Tom Joseph <tjoseph@cadence.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
Ryder Lee <ryder.lee@mediatek.com>,
Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>,
Hou Zhiqiang <Zhiqiang.Hou@nxp.com>,
Simon Horman <horms@verge.net.au>,
Shawn Lin <shawn.lin@rock-chips.com>,
Heiko Stuebner <heiko@sntech.de>,
Michal Simek <michal.simek@xilinx.com>,
rfi@lists.rocketboards.org, linux-mediatek@lists.infradead.org,
linux-renesas-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v4] PCI: of: Add inbound resource parsing to helpers
Date: Thu, 31 Oct 2019 10:07:19 +0000 [thread overview]
Message-ID: <20191031100719.GA22203@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <CABe79T6cj=9ud6ifYT_49JetozuiAhexuipoQ97akC4Hm+GhOQ@mail.gmail.com>
On Thu, Oct 31, 2019 at 02:24:28PM +0530, Srinath Mannam wrote:
> Hi Rob,
>
> I reviewed and verified this change for non-sorted DT entries.. It is
> working fine
>
> Reviewed-by: Srinath Mannam <srinath.mannam@broadcom.com>
> Tested-by: Srinath Mannam <srinath.mannam@broadcom.com>
>
> Regards,
> Srinath.
Do not top-post please, that's the second time I tell you, please
read.
https://en.wikipedia.org/wiki/Posting_style#Top-posting
Thanks,
Lorenzo
> On Thu, Oct 31, 2019 at 4:01 AM Rob Herring <robh@kernel.org> wrote:
> >
> > Extend devm_of_pci_get_host_bridge_resources() and
> > pci_parse_request_of_pci_ranges() helpers to also parse the inbound
> > addresses from DT 'dma-ranges' and populate a resource list with the
> > translated addresses. This will help ensure 'dma-ranges' is always
> > parsed in a consistent way.
> >
> > Cc: Jingoo Han <jingoohan1@gmail.com>
> > Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> > Cc: Bjorn Helgaas <bhelgaas@google.com>
> > Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> > Cc: Will Deacon <will@kernel.org>
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Cc: Toan Le <toan@os.amperecomputing.com>
> > Cc: Ley Foon Tan <lftan@altera.com>
> > Cc: Tom Joseph <tjoseph@cadence.com>
> > Cc: Ray Jui <rjui@broadcom.com>
> > Cc: Scott Branden <sbranden@broadcom.com>
> > Cc: bcm-kernel-feedback-list@broadcom.com
> > Cc: Ryder Lee <ryder.lee@mediatek.com>
> > Cc: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
> > Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> > Cc: Simon Horman <horms@verge.net.au>
> > Cc: Shawn Lin <shawn.lin@rock-chips.com>
> > Cc: Heiko Stuebner <heiko@sntech.de>
> > Cc: Michal Simek <michal.simek@xilinx.com>
> > Cc: rfi@lists.rocketboards.org
> > Cc: linux-mediatek@lists.infradead.org
> > Cc: linux-renesas-soc@vger.kernel.org
> > Cc: linux-rockchip@lists.infradead.org
> > Tested-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> # for AArdvark
> > Reviewed-by: Andrew Murray <andrew.murray@arm.com>
> > Acked-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> > Signed-off-by: Rob Herring <robh@kernel.org>
> > ---
> > Lorenzo, Just sending this one patch. Let me know if you want the whole
> > series.
> >
> > v4:
> > - Keep inbound resources sorted because iova_reserve_pci_windows()
> > depends on it
> > v3:
> > - Fix some >80 char lines
> > v2:
> > - Fix crash in INIT_LIST_HEAD when ib_resources is NULL
> > ---
> > .../pci/controller/dwc/pcie-designware-host.c | 3 +-
> > drivers/pci/controller/pci-aardvark.c | 2 +-
> > drivers/pci/controller/pci-ftpci100.c | 3 +-
> > drivers/pci/controller/pci-host-common.c | 2 +-
> > drivers/pci/controller/pci-v3-semi.c | 3 +-
> > drivers/pci/controller/pci-versatile.c | 3 +-
> > drivers/pci/controller/pci-xgene.c | 3 +-
> > drivers/pci/controller/pcie-altera.c | 2 +-
> > drivers/pci/controller/pcie-cadence-host.c | 2 +-
> > drivers/pci/controller/pcie-iproc-platform.c | 3 +-
> > drivers/pci/controller/pcie-mediatek.c | 2 +-
> > drivers/pci/controller/pcie-mobiveil.c | 3 +-
> > drivers/pci/controller/pcie-rcar.c | 3 +-
> > drivers/pci/controller/pcie-rockchip-host.c | 3 +-
> > drivers/pci/controller/pcie-xilinx-nwl.c | 3 +-
> > drivers/pci/controller/pcie-xilinx.c | 3 +-
> > drivers/pci/of.c | 51 ++++++++++++++++++-
> > drivers/pci/pci.h | 8 ++-
> > include/linux/pci.h | 9 ++--
> > 19 files changed, 88 insertions(+), 23 deletions(-)
> >
> > diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> > index aeec8b65eb97..f7b1d80c4a0a 100644
> > --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> > +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> > @@ -342,7 +342,8 @@ int dw_pcie_host_init(struct pcie_port *pp)
> > if (!bridge)
> > return -ENOMEM;
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (ret)
> > return ret;
> >
> > diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
> > index 9cbeba507f0c..b34eaa2cd762 100644
> > --- a/drivers/pci/controller/pci-aardvark.c
> > +++ b/drivers/pci/controller/pci-aardvark.c
> > @@ -939,7 +939,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
> > }
> >
> > ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > - &bus);
> > + &bridge->dma_ranges, &bus);
> > if (ret) {
> > dev_err(dev, "Failed to parse resources\n");
> > return ret;
> > diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c
> > index 75603348b88a..66288b94e92d 100644
> > --- a/drivers/pci/controller/pci-ftpci100.c
> > +++ b/drivers/pci/controller/pci-ftpci100.c
> > @@ -477,7 +477,8 @@ static int faraday_pci_probe(struct platform_device *pdev)
> > if (IS_ERR(p->base))
> > return PTR_ERR(p->base);
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &host->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &host->windows,
> > + &host->dma_ranges, NULL);
> > if (ret)
> > return ret;
> >
> > diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c
> > index c8cb9c5188a4..250a3fc80ec6 100644
> > --- a/drivers/pci/controller/pci-host-common.c
> > +++ b/drivers/pci/controller/pci-host-common.c
> > @@ -27,7 +27,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev,
> > struct pci_config_window *cfg;
> >
> > /* Parse our PCI ranges and request their resources */
> > - err = pci_parse_request_of_pci_ranges(dev, resources, &bus_range);
> > + err = pci_parse_request_of_pci_ranges(dev, resources, NULL, &bus_range);
> > if (err)
> > return ERR_PTR(err);
> >
> > diff --git a/drivers/pci/controller/pci-v3-semi.c b/drivers/pci/controller/pci-v3-semi.c
> > index 96677520f6c1..2209c7671115 100644
> > --- a/drivers/pci/controller/pci-v3-semi.c
> > +++ b/drivers/pci/controller/pci-v3-semi.c
> > @@ -776,7 +776,8 @@ static int v3_pci_probe(struct platform_device *pdev)
> > if (IS_ERR(v3->config_base))
> > return PTR_ERR(v3->config_base);
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &host->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &host->windows,
> > + &host->dma_ranges, NULL);
> > if (ret)
> > return ret;
> >
> > diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c
> > index eae1b859990b..b911359b6d81 100644
> > --- a/drivers/pci/controller/pci-versatile.c
> > +++ b/drivers/pci/controller/pci-versatile.c
> > @@ -92,7 +92,8 @@ static int versatile_pci_probe(struct platform_device *pdev)
> > if (IS_ERR(versatile_cfg_base[1]))
> > return PTR_ERR(versatile_cfg_base[1]);
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + NULL, NULL);
> > if (ret)
> > return ret;
> >
> > diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
> > index 7d0f0395a479..9408269d943d 100644
> > --- a/drivers/pci/controller/pci-xgene.c
> > +++ b/drivers/pci/controller/pci-xgene.c
> > @@ -627,7 +627,8 @@ static int xgene_pcie_probe(struct platform_device *pdev)
> > if (ret)
> > return ret;
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (ret)
> > return ret;
> >
> > diff --git a/drivers/pci/controller/pcie-altera.c b/drivers/pci/controller/pcie-altera.c
> > index ba025efeae28..b447c3e4abad 100644
> > --- a/drivers/pci/controller/pcie-altera.c
> > +++ b/drivers/pci/controller/pcie-altera.c
> > @@ -800,7 +800,7 @@ static int altera_pcie_probe(struct platform_device *pdev)
> > }
> >
> > ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > - NULL);
> > + &bridge->dma_ranges, NULL);
> > if (ret) {
> > dev_err(dev, "Failed add resources\n");
> > return ret;
> > diff --git a/drivers/pci/controller/pcie-cadence-host.c b/drivers/pci/controller/pcie-cadence-host.c
> > index 97e251090b4f..a8f7a6284c3e 100644
> > --- a/drivers/pci/controller/pcie-cadence-host.c
> > +++ b/drivers/pci/controller/pcie-cadence-host.c
> > @@ -211,7 +211,7 @@ static int cdns_pcie_host_init(struct device *dev,
> > int err;
> >
> > /* Parse our PCI ranges and request their resources */
> > - err = pci_parse_request_of_pci_ranges(dev, resources, &bus_range);
> > + err = pci_parse_request_of_pci_ranges(dev, resources, NULL, &bus_range);
> > if (err)
> > return err;
> >
> > diff --git a/drivers/pci/controller/pcie-iproc-platform.c b/drivers/pci/controller/pcie-iproc-platform.c
> > index 375d815f7301..ff0a81a632a1 100644
> > --- a/drivers/pci/controller/pcie-iproc-platform.c
> > +++ b/drivers/pci/controller/pcie-iproc-platform.c
> > @@ -95,7 +95,8 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
> > if (IS_ERR(pcie->phy))
> > return PTR_ERR(pcie->phy);
> >
> > - ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (ret) {
> > dev_err(dev, "unable to get PCI host bridge resources\n");
> > return ret;
> > diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> > index d9206a3cd56b..cb982891b22b 100644
> > --- a/drivers/pci/controller/pcie-mediatek.c
> > +++ b/drivers/pci/controller/pcie-mediatek.c
> > @@ -1034,7 +1034,7 @@ static int mtk_pcie_setup(struct mtk_pcie *pcie)
> > int err;
> >
> > err = pci_parse_request_of_pci_ranges(dev, windows,
> > - &bus);
> > + &host->dma_ranges, &bus);
> > if (err)
> > return err;
> >
> > diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
> > index 4eab8624ce4d..257ba49c177c 100644
> > --- a/drivers/pci/controller/pcie-mobiveil.c
> > +++ b/drivers/pci/controller/pcie-mobiveil.c
> > @@ -875,7 +875,8 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
> > }
> >
> > /* parse the host bridge base addresses from the device tree file */
> > - ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (ret) {
> > dev_err(dev, "Getting bridge resources failed\n");
> > return ret;
> > diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
> > index f6a669a9af41..b8d6e86a5539 100644
> > --- a/drivers/pci/controller/pcie-rcar.c
> > +++ b/drivers/pci/controller/pcie-rcar.c
> > @@ -1138,7 +1138,8 @@ static int rcar_pcie_probe(struct platform_device *pdev)
> > pcie->dev = dev;
> > platform_set_drvdata(pdev, pcie);
> >
> > - err = pci_parse_request_of_pci_ranges(dev, &pcie->resources, NULL);
> > + err = pci_parse_request_of_pci_ranges(dev, &pcie->resources,
> > + &bridge->dma_ranges, NULL);
> > if (err)
> > goto err_free_bridge;
> >
> > diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
> > index f375e55ea02e..ee83f8494ee9 100644
> > --- a/drivers/pci/controller/pcie-rockchip-host.c
> > +++ b/drivers/pci/controller/pcie-rockchip-host.c
> > @@ -1004,7 +1004,8 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
> > if (err < 0)
> > goto err_deinit_port;
> >
> > - err = pci_parse_request_of_pci_ranges(dev, &bridge->windows, &bus_res);
> > + err = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, &bus_res);
> > if (err)
> > goto err_remove_irq_domain;
> >
> > diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
> > index e135a4b60489..9bd1427f2fd6 100644
> > --- a/drivers/pci/controller/pcie-xilinx-nwl.c
> > +++ b/drivers/pci/controller/pcie-xilinx-nwl.c
> > @@ -843,7 +843,8 @@ static int nwl_pcie_probe(struct platform_device *pdev)
> > return err;
> > }
> >
> > - err = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + err = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (err) {
> > dev_err(dev, "Getting bridge resources failed\n");
> > return err;
> > diff --git a/drivers/pci/controller/pcie-xilinx.c b/drivers/pci/controller/pcie-xilinx.c
> > index 257702288787..98e55297815b 100644
> > --- a/drivers/pci/controller/pcie-xilinx.c
> > +++ b/drivers/pci/controller/pcie-xilinx.c
> > @@ -645,7 +645,8 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
> > return err;
> > }
> >
> > - err = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
> > + err = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
> > + &bridge->dma_ranges, NULL);
> > if (err) {
> > dev_err(dev, "Getting bridge resources failed\n");
> > return err;
> > diff --git a/drivers/pci/of.c b/drivers/pci/of.c
> > index f3da49a31db4..7d5c7783dfdc 100644
> > --- a/drivers/pci/of.c
> > +++ b/drivers/pci/of.c
> > @@ -257,7 +257,9 @@ EXPORT_SYMBOL_GPL(of_pci_check_probe_only);
> > */
> > int devm_of_pci_get_host_bridge_resources(struct device *dev,
> > unsigned char busno, unsigned char bus_max,
> > - struct list_head *resources, resource_size_t *io_base)
> > + struct list_head *resources,
> > + struct list_head *ib_resources,
> > + resource_size_t *io_base)
> > {
> > struct device_node *dev_node = dev->of_node;
> > struct resource *res, tmp_res;
> > @@ -340,6 +342,48 @@ int devm_of_pci_get_host_bridge_resources(struct device *dev,
> > pci_add_resource_offset(resources, res, res->start - range.pci_addr);
> > }
> >
> > + /* Check for dma-ranges property */
> > + if (!ib_resources)
> > + return 0;
> > + err = of_pci_dma_range_parser_init(&parser, dev_node);
> > + if (err)
> > + return 0;
> > +
> > + dev_dbg(dev, "Parsing dma-ranges property...\n");
> > + for_each_of_pci_range(&parser, &range) {
> > + struct resource_entry *entry;
> > + /*
> > + * If we failed translation or got a zero-sized region
> > + * then skip this range
> > + */
> > + if (((range.flags & IORESOURCE_TYPE_BITS) != IORESOURCE_MEM) ||
> > + range.cpu_addr == OF_BAD_ADDR || range.size == 0)
> > + continue;
> > +
> > + dev_info(dev, "IB MEM %#010llx..%#010llx -> %#010llx\n",
> > + range.cpu_addr,
> > + range.cpu_addr + range.size - 1, range.pci_addr);
> > +
> > +
> > + err = of_pci_range_to_resource(&range, dev_node, &tmp_res);
> > + if (err)
> > + continue;
> > +
> > + res = devm_kmemdup(dev, &tmp_res, sizeof(tmp_res), GFP_KERNEL);
> > + if (!res) {
> > + err = -ENOMEM;
> > + goto failed;
> > + }
> > +
> > + /* Keep the resource list sorted */
> > + resource_list_for_each_entry(entry, ib_resources)
> > + if (entry->res->start > res->start)
> > + break;
> > +
> > + pci_add_resource_offset(&entry->node, res,
> > + res->start - range.pci_addr);
> > + }
> > +
> > return 0;
> >
> > failed:
> > @@ -482,6 +526,7 @@ EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci);
> >
> > int pci_parse_request_of_pci_ranges(struct device *dev,
> > struct list_head *resources,
> > + struct list_head *ib_resources,
> > struct resource **bus_range)
> > {
> > int err, res_valid = 0;
> > @@ -489,8 +534,10 @@ int pci_parse_request_of_pci_ranges(struct device *dev,
> > struct resource_entry *win, *tmp;
> >
> > INIT_LIST_HEAD(resources);
> > + if (ib_resources)
> > + INIT_LIST_HEAD(ib_resources);
> > err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, resources,
> > - &iobase);
> > + ib_resources, &iobase);
> > if (err)
> > return err;
> >
> > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> > index 3f6947ee3324..6692c4fe4290 100644
> > --- a/drivers/pci/pci.h
> > +++ b/drivers/pci/pci.h
> > @@ -633,11 +633,15 @@ static inline void pci_release_bus_of_node(struct pci_bus *bus) { }
> > #if defined(CONFIG_OF_ADDRESS)
> > int devm_of_pci_get_host_bridge_resources(struct device *dev,
> > unsigned char busno, unsigned char bus_max,
> > - struct list_head *resources, resource_size_t *io_base);
> > + struct list_head *resources,
> > + struct list_head *ib_resources,
> > + resource_size_t *io_base);
> > #else
> > static inline int devm_of_pci_get_host_bridge_resources(struct device *dev,
> > unsigned char busno, unsigned char bus_max,
> > - struct list_head *resources, resource_size_t *io_base)
> > + struct list_head *resources,
> > + struct list_head *ib_resources,
> > + resource_size_t *io_base)
> > {
> > return -EINVAL;
> > }
> > diff --git a/include/linux/pci.h b/include/linux/pci.h
> > index f9088c89a534..5cb94916eaa1 100644
> > --- a/include/linux/pci.h
> > +++ b/include/linux/pci.h
> > @@ -2278,6 +2278,7 @@ struct irq_domain;
> > struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
> > int pci_parse_request_of_pci_ranges(struct device *dev,
> > struct list_head *resources,
> > + struct list_head *ib_resources,
> > struct resource **bus_range);
> >
> > /* Arch may override this (weak) */
> > @@ -2286,9 +2287,11 @@ struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
> > #else /* CONFIG_OF */
> > static inline struct irq_domain *
> > pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }
> > -static inline int pci_parse_request_of_pci_ranges(struct device *dev,
> > - struct list_head *resources,
> > - struct resource **bus_range)
> > +static inline int
> > +pci_parse_request_of_pci_ranges(struct device *dev,
> > + struct list_head *resources,
> > + struct list_head *ib_resources,
> > + struct resource **bus_range)
> > {
> > return -EINVAL;
> > }
> > --
> > 2.20.1
> >
prev parent reply other threads:[~2019-10-31 10:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-30 22:30 [PATCH v4] PCI: of: Add inbound resource parsing to helpers Rob Herring
2019-10-31 8:54 ` Srinath Mannam
2019-10-31 10:07 ` Lorenzo Pieralisi [this message]
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