2020-03-19 12:38:01

by Qiujun Huang

[permalink] [raw]
Subject: [PATCH -next] PCI: dwc: fix compile err for pcie-tagra194

make allmodconfig
ERROR: modpost: "dw_pcie_ep_init_notify" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
ERROR: modpost: "dw_pcie_ep_init_complete" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
ERROR: modpost: "dw_pcie_ep_linkup" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
make: *** [sub-make] Error 2

need to export the symbols.

Signed-off-by: Qiujun Huang <[email protected]>
---
drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 4233c43..60d62ef 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -18,6 +18,7 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)

pci_epc_linkup(epc);
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup);

void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
{
@@ -25,6 +26,7 @@ void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)

pci_epc_init_notify(epc);
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);

static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
int flags)
@@ -535,6 +537,7 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)

return 0;
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_init_complete);

int dw_pcie_ep_init(struct dw_pcie_ep *ep)
{
--
1.8.3.1


2020-03-19 17:38:15

by Lorenzo Pieralisi

[permalink] [raw]
Subject: Re: [PATCH -next] PCI: dwc: fix compile err for pcie-tagra194

On Thu, Mar 19, 2020 at 08:36:20PM +0800, Qiujun Huang wrote:
> make allmodconfig
> ERROR: modpost: "dw_pcie_ep_init_notify" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> ERROR: modpost: "dw_pcie_ep_init_complete" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> ERROR: modpost: "dw_pcie_ep_linkup" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> make[2]: *** [__modpost] Error 1
> make[1]: *** [modules] Error 2
> make: *** [sub-make] Error 2
>
> need to export the symbols.
>
> Signed-off-by: Qiujun Huang <[email protected]>
> ---
> drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++
> 1 file changed, 3 insertions(+)

I have squashed this in with the original patch.

@Vidya: is this something we missed in the review cycle ? Asking just
to make sure it was not me who made a mistake while merging the code.

Thanks,
Lorenzo

> diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
> index 4233c43..60d62ef 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
> @@ -18,6 +18,7 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
>
> pci_epc_linkup(epc);
> }
> +EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup);
>
> void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
> {
> @@ -25,6 +26,7 @@ void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
>
> pci_epc_init_notify(epc);
> }
> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);
>
> static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
> int flags)
> @@ -535,6 +537,7 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
>
> return 0;
> }
> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_complete);
>
> int dw_pcie_ep_init(struct dw_pcie_ep *ep)
> {
> --
> 1.8.3.1
>

2020-03-20 05:16:58

by Vidya Sagar

[permalink] [raw]
Subject: Re: [PATCH -next] PCI: dwc: fix compile err for pcie-tagra194



On 3/19/2020 11:07 PM, Lorenzo Pieralisi wrote:
> External email: Use caution opening links or attachments
>
>
> On Thu, Mar 19, 2020 at 08:36:20PM +0800, Qiujun Huang wrote:
>> make allmodconfig
>> ERROR: modpost: "dw_pcie_ep_init_notify" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
>> ERROR: modpost: "dw_pcie_ep_init_complete" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
>> ERROR: modpost: "dw_pcie_ep_linkup" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
>> make[2]: *** [__modpost] Error 1
>> make[1]: *** [modules] Error 2
>> make: *** [sub-make] Error 2
>>
>> need to export the symbols.
>>
>> Signed-off-by: Qiujun Huang <[email protected]>
>> ---
>> drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++
>> 1 file changed, 3 insertions(+)
>
> I have squashed this in with the original patch.
>
> @Vidya: is this something we missed in the review cycle ? Asking just
> to make sure it was not me who made a mistake while merging the code.
My apologies. I wasn't compiling the driver as a module (instead built
into the kernel image)
BTW, I see
ERROR: modpost: "dw_pcie_ep_init"
[drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
also along with the above three. So I think even dw_pcie_ep_init() needs
to be exported.

Thanks,
Vidya Sagar
>
> Thanks,
> Lorenzo
>
>> diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
>> index 4233c43..60d62ef 100644
>> --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
>> +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
>> @@ -18,6 +18,7 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
>>
>> pci_epc_linkup(epc);
>> }
>> +EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup);
>>
>> void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
>> {
>> @@ -25,6 +26,7 @@ void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
>>
>> pci_epc_init_notify(epc);
>> }
>> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);
>>
>> static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
>> int flags)
>> @@ -535,6 +537,7 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
>>
>> return 0;
>> }
>> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_complete);
>>
>> int dw_pcie_ep_init(struct dw_pcie_ep *ep)
>> {
>> --
>> 1.8.3.1
>>

2020-03-20 06:02:13

by Qiujun Huang

[permalink] [raw]
Subject: Re: [PATCH -next] PCI: dwc: fix compile err for pcie-tagra194

On Fri, Mar 20, 2020 at 1:15 PM Vidya Sagar <[email protected]> wrote:
>
>
>
> On 3/19/2020 11:07 PM, Lorenzo Pieralisi wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > On Thu, Mar 19, 2020 at 08:36:20PM +0800, Qiujun Huang wrote:
> >> make allmodconfig
> >> ERROR: modpost: "dw_pcie_ep_init_notify" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> >> ERROR: modpost: "dw_pcie_ep_init_complete" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> >> ERROR: modpost: "dw_pcie_ep_linkup" [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> >> make[2]: *** [__modpost] Error 1
> >> make[1]: *** [modules] Error 2
> >> make: *** [sub-make] Error 2
> >>
> >> need to export the symbols.
> >>
> >> Signed-off-by: Qiujun Huang <[email protected]>
> >> ---
> >> drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++
> >> 1 file changed, 3 insertions(+)
> >
> > I have squashed this in with the original patch.
> >
> > @Vidya: is this something we missed in the review cycle ? Asking just
> > to make sure it was not me who made a mistake while merging the code.
> My apologies. I wasn't compiling the driver as a module (instead built
> into the kernel image)
> BTW, I see
> ERROR: modpost: "dw_pcie_ep_init"
> [drivers/pci/controller/dwc/pcie-tegra194.ko] undefined!
> also along with the above three. So I think even dw_pcie_ep_init() needs
> to be exported.

OK, I'll send v2 to add dw_pcie_ep_init.

>
> Thanks,
> Vidya Sagar
> >
> > Thanks,
> > Lorenzo
> >
> >> diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
> >> index 4233c43..60d62ef 100644
> >> --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
> >> +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
> >> @@ -18,6 +18,7 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
> >>
> >> pci_epc_linkup(epc);
> >> }
> >> +EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup);
> >>
> >> void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
> >> {
> >> @@ -25,6 +26,7 @@ void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
> >>
> >> pci_epc_init_notify(epc);
> >> }
> >> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);
> >>
> >> static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
> >> int flags)
> >> @@ -535,6 +537,7 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
> >>
> >> return 0;
> >> }
> >> +EXPORT_SYMBOL_GPL(dw_pcie_ep_init_complete);
> >>
> >> int dw_pcie_ep_init(struct dw_pcie_ep *ep)
> >> {
> >> --
> >> 1.8.3.1
> >>