| Message ID | alpine.DEB.2.02.1308201112400.2269@hadrien (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Tue, Aug 20, 2013 at 3:13 AM, Julia Lawall <julia.lawall@lip6.fr> wrote: > From: Julia Lawall <Julia.Lawall@lip6.fr> > > Use devm_ioremap_resource instead of devm_request_and_ioremap. > > This was done using the semantic patch > scripts/coccinelle/api/devm_ioremap_resource.cocci > > Error-handling code was manually removed from the associated calls to > platform_get_resource. > > Adjust the comment at the third platform_get_resource_byname to make clear > why ioremap is not done at this point. > > Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> > Acked-by: Thierry Reding <thierry.reding@gmail.com> > Tested-by: Thierry Reding <thierry.reding@gmail.com> I'm hoping this goes via arm-soc. Let me know if you need me to do something. If you need it: Acked-by: Bjorn Helgaas <bhelgaas@google.com> > --- > v2: add the change to the comment > > drivers/pci/host/pci-tegra.c | 31 ++++++++++--------------------- > 1 file changed, 10 insertions(+), 21 deletions(-) > > diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c > index 7356741..2e9888a 100644 > --- a/drivers/pci/host/pci-tegra.c > +++ b/drivers/pci/host/pci-tegra.c > @@ -1031,32 +1031,21 @@ static int tegra_pcie_get_resources(struct tegra_pcie *pcie) > return err; > } > > - /* request and remap controller registers */ > pads = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pads"); > - if (!pads) { > - err = -EADDRNOTAVAIL; > + pcie->pads = devm_ioremap_resource(&pdev->dev, pads); > + if (IS_ERR(pcie->pads)) { > + err = PTR_ERR(pcie->pads); > goto poweroff; > } > > afi = platform_get_resource_byname(pdev, IORESOURCE_MEM, "afi"); > - if (!afi) { > - err = -EADDRNOTAVAIL; > - goto poweroff; > - } > - > - pcie->pads = devm_request_and_ioremap(&pdev->dev, pads); > - if (!pcie->pads) { > - err = -EADDRNOTAVAIL; > - goto poweroff; > - } > - > - pcie->afi = devm_request_and_ioremap(&pdev->dev, afi); > - if (!pcie->afi) { > - err = -EADDRNOTAVAIL; > + pcie->afi = devm_ioremap_resource(&pdev->dev, afi); > + if (IS_ERR(pcie->afi)) { > + err = PTR_ERR(pcie->afi); > goto poweroff; > } > > - /* request and remap configuration space */ > + /* request configuration space, but remap later, on demand */ > res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cs"); > if (!res) { > err = -EADDRNOTAVAIL; > @@ -1492,9 +1481,9 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) > rp->lanes = value; > rp->pcie = pcie; > > - rp->base = devm_request_and_ioremap(pcie->dev, &rp->regs); > - if (!rp->base) > - return -EADDRNOTAVAIL; > + rp->base = devm_ioremap_resource(pcie->dev, &rp->regs); > + if (IS_ERR(rp->base)) > + return PTR_ERR(rp->base); > > list_add_tail(&rp->list, &pcie->ports); > } -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 08/20/2013 10:26 AM, Bjorn Helgaas wrote: > On Tue, Aug 20, 2013 at 3:13 AM, Julia Lawall <julia.lawall@lip6.fr> wrote: >> From: Julia Lawall <Julia.Lawall@lip6.fr> >> >> Use devm_ioremap_resource instead of devm_request_and_ioremap. >> >> This was done using the semantic patch >> scripts/coccinelle/api/devm_ioremap_resource.cocci >> >> Error-handling code was manually removed from the associated calls to >> platform_get_resource. >> >> Adjust the comment at the third platform_get_resource_byname to make clear >> why ioremap is not done at this point. >> >> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> >> Acked-by: Thierry Reding <thierry.reding@gmail.com> >> Tested-by: Thierry Reding <thierry.reding@gmail.com> > > I'm hoping this goes via arm-soc. Let me know if you need me to do > something. If you need it: > > Acked-by: Bjorn Helgaas <bhelgaas@google.com> In that case, Thierry, can you please bounce it to arm@kernel.org to be applied on top of wherever Tegra's for-3.12/soc branch was merged. Acked-by: Stephen Warren <swarren@nvidia.com> -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Aug 20, 2013 at 12:53:32PM -0600, Stephen Warren wrote: > On 08/20/2013 10:26 AM, Bjorn Helgaas wrote: > > On Tue, Aug 20, 2013 at 3:13 AM, Julia Lawall <julia.lawall@lip6.fr> wrote: > >> From: Julia Lawall <Julia.Lawall@lip6.fr> > >> > >> Use devm_ioremap_resource instead of devm_request_and_ioremap. > >> > >> This was done using the semantic patch > >> scripts/coccinelle/api/devm_ioremap_resource.cocci > >> > >> Error-handling code was manually removed from the associated calls to > >> platform_get_resource. > >> > >> Adjust the comment at the third platform_get_resource_byname to make clear > >> why ioremap is not done at this point. > >> > >> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> > >> Acked-by: Thierry Reding <thierry.reding@gmail.com> > >> Tested-by: Thierry Reding <thierry.reding@gmail.com> > > > > I'm hoping this goes via arm-soc. Let me know if you need me to do > > something. If you need it: > > > > Acked-by: Bjorn Helgaas <bhelgaas@google.com> > > In that case, Thierry, can you please bounce it to arm@kernel.org to be > applied on top of wherever Tegra's for-3.12/soc branch was merged. > > Acked-by: Stephen Warren <swarren@nvidia.com> Yes, I can do that. Thanks everyone. Thierry
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index 7356741..2e9888a 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -1031,32 +1031,21 @@ static int tegra_pcie_get_resources(struct tegra_pcie *pcie) return err; } - /* request and remap controller registers */ pads = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pads"); - if (!pads) { - err = -EADDRNOTAVAIL; + pcie->pads = devm_ioremap_resource(&pdev->dev, pads); + if (IS_ERR(pcie->pads)) { + err = PTR_ERR(pcie->pads); goto poweroff; } afi = platform_get_resource_byname(pdev, IORESOURCE_MEM, "afi"); - if (!afi) { - err = -EADDRNOTAVAIL; - goto poweroff; - } - - pcie->pads = devm_request_and_ioremap(&pdev->dev, pads); - if (!pcie->pads) { - err = -EADDRNOTAVAIL; - goto poweroff; - } - - pcie->afi = devm_request_and_ioremap(&pdev->dev, afi); - if (!pcie->afi) { - err = -EADDRNOTAVAIL; + pcie->afi = devm_ioremap_resource(&pdev->dev, afi); + if (IS_ERR(pcie->afi)) { + err = PTR_ERR(pcie->afi); goto poweroff; } - /* request and remap configuration space */ + /* request configuration space, but remap later, on demand */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cs"); if (!res) { err = -EADDRNOTAVAIL; @@ -1492,9 +1481,9 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) rp->lanes = value; rp->pcie = pcie; - rp->base = devm_request_and_ioremap(pcie->dev, &rp->regs); - if (!rp->base) - return -EADDRNOTAVAIL; + rp->base = devm_ioremap_resource(pcie->dev, &rp->regs); + if (IS_ERR(rp->base)) + return PTR_ERR(rp->base); list_add_tail(&rp->list, &pcie->ports); }