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Date: Thu, 1 Feb 2018 13:00:33 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Niklas Cassel <niklas.cassel@...s.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Linux-Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Cyrille Pitchen <cyrille.pitchen@...e-electrons.com>,
Kishon Vijay Abraham I <kishon@...com>,
linux-pci@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the pci tree
[+cc Kishon, linux-pci]
On Thu, Feb 01, 2018 at 09:56:09AM +0100, Niklas Cassel wrote:
> On Thu, Feb 01, 2018 at 10:51:14AM +1100, Stephen Rothwell wrote:
> > Hi Bjorn,
> >
> > After merging the pci tree, today's linux-next build (arm
> > multi_v7_defconfig) failed like this:
> >
> > drivers/pci/dwc/pcie-designware-ep.c: In function 'dw_pcie_ep_raise_msi_irq':
> > drivers/pci/dwc/pcie-designware-ep.c:293:8: error: too few arguments to function 'dw_pcie_ep_map_addr'
> > ret = dw_pcie_ep_map_addr(epc, ep->msi_mem_phys, msg_addr,
> > ^~~~~~~~~~~~~~~~~~~
> > drivers/pci/dwc/pcie-designware-ep.c:177:12: note: declared here
> > static int dw_pcie_ep_map_addr(struct pci_epc *epc, u8 func_no,
> > ^~~~~~~~~~~~~~~~~~~
> > drivers/pci/dwc/pcie-designware-ep.c:300:2: error: too few arguments to function 'dw_pcie_ep_unmap_addr'
> > dw_pcie_ep_unmap_addr(epc, ep->msi_mem_phys);
> > ^~~~~~~~~~~~~~~~~~~~~
> > drivers/pci/dwc/pcie-designware-ep.c:161:13: note: declared here
> > static void dw_pcie_ep_unmap_addr(struct pci_epc *epc, u8 func_no,
> > ^~~~~~~~~~~~~~~~~~~~~
> >
> > Caused by commit
> >
> > 4494738de0d9 ("PCI: endpoint: Add the function number as argument to EPC ops")
> >
> > interacting with commit
> >
> > 6f6d7873711c ("PCI: designware-ep: Add generic function for raising MSI irq")
> >
> > This should have been fixed up in commit
> >
> > 26b259ab4fe8 ("Merge remote-tracking branch 'lorenzo/pci/dwc' into next")
> >
> > I have used the pci tree from next-20180131 for today.
>
> Hello,
>
> A suggested merge resolution included as an attachment.
I applied this resolution to the merge of lorenzo/pci/dwc.
> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
> index 39e4a9744863..ed8558d638e5 100644
> --- a/drivers/pci/dwc/pci-dra7xx.c
> +++ b/drivers/pci/dwc/pci-dra7xx.c
> @@ -368,7 +368,7 @@ static void dra7xx_pcie_raise_msi_irq(struct dra7xx_pcie *dra7xx,
> dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_MSI_XMT, reg);
> }
>
> -static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep,
> +static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> enum pci_epc_irq_type type, u8 interrupt_num)
> {
> struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
> index 34ae163603ee..93b3df9ed1b5 100644
> --- a/drivers/pci/dwc/pcie-artpec6.c
> +++ b/drivers/pci/dwc/pcie-artpec6.c
> @@ -445,7 +445,7 @@ static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep)
> dw_pcie_ep_reset_bar(pci, bar);
> }
>
> -static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep,
> +static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> enum pci_epc_irq_type type, u8 interrupt_num)
> {
> struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> @@ -455,7 +455,7 @@ static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep,
> dev_err(pci->dev, "EP cannot trigger legacy IRQs\n");
> return -EINVAL;
> case PCI_EPC_IRQ_MSI:
> - return dw_pcie_ep_raise_msi_irq(ep, interrupt_num);
> + return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num);
> default:
> dev_err(pci->dev, "UNKNOWN IRQ type\n");
> }
> diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c
> index c0395e1f470a..3a6feeff5f5b 100644
> --- a/drivers/pci/dwc/pcie-designware-ep.c
> +++ b/drivers/pci/dwc/pcie-designware-ep.c
> @@ -229,7 +229,7 @@ static int dw_pcie_ep_raise_irq(struct pci_epc *epc, u8 func_no,
> if (!ep->ops->raise_irq)
> return -EINVAL;
>
> - return ep->ops->raise_irq(ep, type, interrupt_num);
> + return ep->ops->raise_irq(ep, func_no, type, interrupt_num);
> }
>
> static void dw_pcie_ep_stop(struct pci_epc *epc)
> @@ -267,7 +267,7 @@ static const struct pci_epc_ops epc_ops = {
> .stop = dw_pcie_ep_stop,
> };
>
> -int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep,
> +int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
> u8 interrupt_num)
> {
> struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> @@ -290,14 +290,14 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep,
> msg_data = dw_pcie_readw_dbi(pci, MSI_MESSAGE_DATA_32);
> }
> msg_addr = ((u64) msg_addr_upper) << 32 | msg_addr_lower;
> - ret = dw_pcie_ep_map_addr(epc, ep->msi_mem_phys, msg_addr,
> + ret = dw_pcie_ep_map_addr(epc, func_no, ep->msi_mem_phys, msg_addr,
> epc->mem->page_size);
> if (ret)
> return ret;
>
> writel(msg_data | (interrupt_num - 1), ep->msi_mem);
>
> - dw_pcie_ep_unmap_addr(epc, ep->msi_mem_phys);
> + dw_pcie_ep_unmap_addr(epc, func_no, ep->msi_mem_phys);
>
> return 0;
> }
> diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
> index 7e52119f0e96..11b13864a406 100644
> --- a/drivers/pci/dwc/pcie-designware.h
> +++ b/drivers/pci/dwc/pcie-designware.h
> @@ -186,8 +186,8 @@ enum dw_pcie_as_type {
>
> struct dw_pcie_ep_ops {
> void (*ep_init)(struct dw_pcie_ep *ep);
> - int (*raise_irq)(struct dw_pcie_ep *ep, enum pci_epc_irq_type type,
> - u8 interrupt_num);
> + int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no,
> + enum pci_epc_irq_type type, u8 interrupt_num);
> };
>
> struct dw_pcie_ep {
> @@ -342,7 +342,8 @@ static inline int dw_pcie_host_init(struct pcie_port *pp)
> void dw_pcie_ep_linkup(struct dw_pcie_ep *ep);
> int dw_pcie_ep_init(struct dw_pcie_ep *ep);
> void dw_pcie_ep_exit(struct dw_pcie_ep *ep);
> -int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 interrupt_num);
> +int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
> + u8 interrupt_num);
> void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar);
> #else
> static inline void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
> @@ -358,7 +359,7 @@ static inline void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
> {
> }
>
> -static inline int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep,
> +static inline int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
> u8 interrupt_num)
> {
> return 0;
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