| Message ID | 20220624011911.164146-1-renzhijie2@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] PCI: endpoint: Fix Kconfig dependency | expand |
On Fri, Jun 24, 2022 at 09:19:11AM +0800, Ren Zhijie wrote: > If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. > > make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: > > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': > pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' > pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' > pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': > pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' > > The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. > To fix this build error, add depends on NTB. > > Reported-by: Hulk Robot <hulkci@huawei.com> > Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") > Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> > Acked-by: Frank Li <frank.li@nxp.com> Am I missing something? 02:54:01 ~/linux (next)$ git checkout -b wip/ren-endpoint-ntb v5.19-rc1 Switched to a new branch 'wip/ren-endpoint-ntb' 02:54:23 ~/linux (wip/ren-endpoint-ntb)$ b4 am -om/ https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com Looking up https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2%40huawei.com Analyzing 1 messages in the thread Checking attestation on all messages, may take a moment... --- [PATCH] PCI: endpoint: Fix Kconfig dependency --- Total patches: 1 --- Link: https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com Base: not specified git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx 02:54:47 ~/linux (wip/ren-endpoint-ntb)$ git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx Applying: PCI: endpoint: Fix Kconfig dependency error: patch failed: drivers/pci/endpoint/functions/Kconfig:29 error: drivers/pci/endpoint/functions/Kconfig: patch does not apply Patch failed at 0001 PCI: endpoint: Fix Kconfig dependency hint: Use 'git am --show-current-patch' to see the failed patch When you have resolved this problem, run "git am --continue". If you prefer to skip this patch, run "git am --skip" instead. To restore the original branch and stop patching, run "git am --abort". Obviously I could fix this manually, but if there's something wrong with your patch posting process, we should fix it. > --- > v2: Fix some commit message errors > --- > drivers/pci/endpoint/functions/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig > index 362555b024e8..9beee4f0f4ee 100644 > --- a/drivers/pci/endpoint/functions/Kconfig > +++ b/drivers/pci/endpoint/functions/Kconfig > @@ -29,6 +29,7 @@ config PCI_EPF_NTB > config PCI_EPF_VNTB > tristate "PCI Endpoint NTB driver" > depends on PCI_ENDPOINT > + depends on NTB > select CONFIGFS_FS > help > Select this configuration option to enable the Non-Transparent > -- > 2.17.1 >
On Mon, Jun 27, 2022 at 02:57:14PM -0500, Bjorn Helgaas wrote: > On Fri, Jun 24, 2022 at 09:19:11AM +0800, Ren Zhijie wrote: > > If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. > > > > make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: > > > > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': > > pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' > > pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' > > pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' > > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': > > pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' > > > > The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. > > To fix this build error, add depends on NTB. > > > > Reported-by: Hulk Robot <hulkci@huawei.com> > > Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") > > Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> > > Acked-by: Frank Li <frank.li@nxp.com> > > Am I missing something? > > 02:54:01 ~/linux (next)$ git checkout -b wip/ren-endpoint-ntb v5.19-rc1 > Switched to a new branch 'wip/ren-endpoint-ntb' > 02:54:23 ~/linux (wip/ren-endpoint-ntb)$ b4 am -om/ https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com > Looking up https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2%40huawei.com > Analyzing 1 messages in the thread > Checking attestation on all messages, may take a moment... > --- > [PATCH] PCI: endpoint: Fix Kconfig dependency > --- > Total patches: 1 > --- > Link: https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com > Base: not specified > git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx > 02:54:47 ~/linux (wip/ren-endpoint-ntb)$ git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx > Applying: PCI: endpoint: Fix Kconfig dependency > error: patch failed: drivers/pci/endpoint/functions/Kconfig:29 > error: drivers/pci/endpoint/functions/Kconfig: patch does not apply > Patch failed at 0001 PCI: endpoint: Fix Kconfig dependency > hint: Use 'git am --show-current-patch' to see the failed patch > When you have resolved this problem, run "git am --continue". > If you prefer to skip this patch, run "git am --skip" instead. > To restore the original branch and stop patching, run "git am --abort". > > Obviously I could fix this manually, but if there's something wrong > with your patch posting process, we should fix it. Oh, I see the problem. This patch depends on some other VNTB patch that hasn't been merged yet. That means this fix should be squashed into the VNTB patch that adds "config PCI_EPF_VNTB". > > --- > > v2: Fix some commit message errors > > --- > > drivers/pci/endpoint/functions/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig > > index 362555b024e8..9beee4f0f4ee 100644 > > --- a/drivers/pci/endpoint/functions/Kconfig > > +++ b/drivers/pci/endpoint/functions/Kconfig > > @@ -29,6 +29,7 @@ config PCI_EPF_NTB > > config PCI_EPF_VNTB > > tristate "PCI Endpoint NTB driver" > > depends on PCI_ENDPOINT > > + depends on NTB > > select CONFIGFS_FS > > help > > Select this configuration option to enable the Non-Transparent > > -- > > 2.17.1 > >
On Mon, Jun 27, 2022 at 03:07:50PM -0500, Bjorn Helgaas wrote: > On Mon, Jun 27, 2022 at 02:57:14PM -0500, Bjorn Helgaas wrote: > > On Fri, Jun 24, 2022 at 09:19:11AM +0800, Ren Zhijie wrote: > > > If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. > > > > > > make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: > > > > > > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': > > > pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' > > > pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' > > > pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' > > > drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': > > > pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' > > > > > > The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. > > > To fix this build error, add depends on NTB. > > > > > > Reported-by: Hulk Robot <hulkci@huawei.com> > > > Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") > > > Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> > > > Acked-by: Frank Li <frank.li@nxp.com> > > > > Am I missing something? > > > > 02:54:01 ~/linux (next)$ git checkout -b wip/ren-endpoint-ntb v5.19-rc1 > > Switched to a new branch 'wip/ren-endpoint-ntb' > > 02:54:23 ~/linux (wip/ren-endpoint-ntb)$ b4 am -om/ https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com > > 02:54:47 ~/linux (wip/ren-endpoint-ntb)$ git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx > > Applying: PCI: endpoint: Fix Kconfig dependency > > error: patch failed: drivers/pci/endpoint/functions/Kconfig:29 > > > > Obviously I could fix this manually, but if there's something wrong > > with your patch posting process, we should fix it. > > Oh, I see the problem. This patch depends on some other VNTB patch > that hasn't been merged yet. That means this fix should be squashed > into the VNTB patch that adds "config PCI_EPF_VNTB". Well, I saw *part* of the problem. This fixes something that is in -next, added by ff32fac00d97 ("NTB: EPF: support NTB transfer between PCI RC and EP connection") [1], which was merged by Jon. So I guess Jon will squash and update his branch or merge the fixup(s). (Jon, if you squash, note there are several typos in the commit log: s/Virtual NTB/virtual NTB/, s/include/includes/, s/3 part/3 parts/, s/virutal/virtual, s/pci/PCI/, s/BUS/Bus/) [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ff32fac00d97 > > > --- > > > v2: Fix some commit message errors > > > --- > > > drivers/pci/endpoint/functions/Kconfig | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig > > > index 362555b024e8..9beee4f0f4ee 100644 > > > --- a/drivers/pci/endpoint/functions/Kconfig > > > +++ b/drivers/pci/endpoint/functions/Kconfig > > > @@ -29,6 +29,7 @@ config PCI_EPF_NTB > > > config PCI_EPF_VNTB > > > tristate "PCI Endpoint NTB driver" > > > depends on PCI_ENDPOINT > > > + depends on NTB > > > select CONFIGFS_FS > > > help > > > Select this configuration option to enable the Non-Transparent > > > -- > > > 2.17.1 > > >
On 6/27/22 13:25, Bjorn Helgaas wrote: > On Mon, Jun 27, 2022 at 03:07:50PM -0500, Bjorn Helgaas wrote: >> On Mon, Jun 27, 2022 at 02:57:14PM -0500, Bjorn Helgaas wrote: >>> On Fri, Jun 24, 2022 at 09:19:11AM +0800, Ren Zhijie wrote: >>>> If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. >>>> >>>> make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: >>>> >>>> drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': >>>> pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' >>>> pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' >>>> pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' >>>> drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': >>>> pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' >>>> >>>> The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. >>>> To fix this build error, add depends on NTB. >>>> >>>> Reported-by: Hulk Robot <hulkci@huawei.com> >>>> Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") >>>> Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> >>>> Acked-by: Frank Li <frank.li@nxp.com> >>> >>> Am I missing something? >>> >>> 02:54:01 ~/linux (next)$ git checkout -b wip/ren-endpoint-ntb v5.19-rc1 >>> Switched to a new branch 'wip/ren-endpoint-ntb' >>> 02:54:23 ~/linux (wip/ren-endpoint-ntb)$ b4 am -om/ https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com >>> 02:54:47 ~/linux (wip/ren-endpoint-ntb)$ git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx >>> Applying: PCI: endpoint: Fix Kconfig dependency >>> error: patch failed: drivers/pci/endpoint/functions/Kconfig:29 >>> >>> Obviously I could fix this manually, but if there's something wrong >>> with your patch posting process, we should fix it. >> >> Oh, I see the problem. This patch depends on some other VNTB patch >> that hasn't been merged yet. That means this fix should be squashed >> into the VNTB patch that adds "config PCI_EPF_VNTB". > > Well, I saw *part* of the problem. This fixes something that is in > -next, added by ff32fac00d97 ("NTB: EPF: support NTB transfer between > PCI RC and EP connection") [1], which was merged by Jon. > > So I guess Jon will squash and update his branch or merge the > fixup(s). > > (Jon, if you squash, note there are several typos in the commit log: > s/Virtual NTB/virtual NTB/, s/include/includes/, s/3 part/3 parts/, > s/virutal/virtual, s/pci/PCI/, s/BUS/Bus/) > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ff32fac00d97 > >>>> --- >>>> v2: Fix some commit message errors >>>> --- >>>> drivers/pci/endpoint/functions/Kconfig | 1 + >>>> 1 file changed, 1 insertion(+) >>>> >>>> diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig >>>> index 362555b024e8..9beee4f0f4ee 100644 >>>> --- a/drivers/pci/endpoint/functions/Kconfig >>>> +++ b/drivers/pci/endpoint/functions/Kconfig >>>> @@ -29,6 +29,7 @@ config PCI_EPF_NTB >>>> config PCI_EPF_VNTB >>>> tristate "PCI Endpoint NTB driver" >>>> depends on PCI_ENDPOINT >>>> + depends on NTB >>>> select CONFIGFS_FS >>>> help >>>> Select this configuration option to enable the Non-Transparent >>>> -- Works for me. Thanks. Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested maybe even Reported-by: Randy Dunlap <rdunlap@infradead.org> (see https://lore.kernel.org/linux-next/835b844b-9d9d-615c-af11-44154c2a8102@infradead.org/)
Hi, Bjorn and jon Just a friendly ping ... Is this patch be merged or squashed? 在 2022/6/30 2:51, Randy Dunlap 写道: > > On 6/27/22 13:25, Bjorn Helgaas wrote: >> On Mon, Jun 27, 2022 at 03:07:50PM -0500, Bjorn Helgaas wrote: >>> On Mon, Jun 27, 2022 at 02:57:14PM -0500, Bjorn Helgaas wrote: >>>> On Fri, Jun 24, 2022 at 09:19:11AM +0800, Ren Zhijie wrote: >>>>> If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. >>>>> >>>>> make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: >>>>> >>>>> drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': >>>>> pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' >>>>> pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' >>>>> pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' >>>>> drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': >>>>> pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' >>>>> >>>>> The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. >>>>> To fix this build error, add depends on NTB. >>>>> >>>>> Reported-by: Hulk Robot <hulkci@huawei.com> >>>>> Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") >>>>> Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> >>>>> Acked-by: Frank Li <frank.li@nxp.com> >>>> Am I missing something? >>>> >>>> 02:54:01 ~/linux (next)$ git checkout -b wip/ren-endpoint-ntb v5.19-rc1 >>>> Switched to a new branch 'wip/ren-endpoint-ntb' >>>> 02:54:23 ~/linux (wip/ren-endpoint-ntb)$ b4 am -om/ https://lore.kernel.org/r/20220624011911.164146-1-renzhijie2@huawei.com >>>> 02:54:47 ~/linux (wip/ren-endpoint-ntb)$ git am m/20220624_renzhijie2_pci_endpoint_fix_kconfig_dependency.mbx >>>> Applying: PCI: endpoint: Fix Kconfig dependency >>>> error: patch failed: drivers/pci/endpoint/functions/Kconfig:29 >>>> >>>> Obviously I could fix this manually, but if there's something wrong >>>> with your patch posting process, we should fix it. >>> Oh, I see the problem. This patch depends on some other VNTB patch >>> that hasn't been merged yet. That means this fix should be squashed >>> into the VNTB patch that adds "config PCI_EPF_VNTB". >> Well, I saw *part* of the problem. This fixes something that is in >> -next, added by ff32fac00d97 ("NTB: EPF: support NTB transfer between >> PCI RC and EP connection") [1], which was merged by Jon. >> >> So I guess Jon will squash and update his branch or merge the >> fixup(s). >> >> (Jon, if you squash, note there are several typos in the commit log: >> s/Virtual NTB/virtual NTB/, s/include/includes/, s/3 part/3 parts/, >> s/virutal/virtual, s/pci/PCI/, s/BUS/Bus/) >> >> [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ff32fac00d97 >> >>>>> --- >>>>> v2: Fix some commit message errors >>>>> --- >>>>> drivers/pci/endpoint/functions/Kconfig | 1 + >>>>> 1 file changed, 1 insertion(+) >>>>> >>>>> diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig >>>>> index 362555b024e8..9beee4f0f4ee 100644 >>>>> --- a/drivers/pci/endpoint/functions/Kconfig >>>>> +++ b/drivers/pci/endpoint/functions/Kconfig >>>>> @@ -29,6 +29,7 @@ config PCI_EPF_NTB >>>>> config PCI_EPF_VNTB >>>>> tristate "PCI Endpoint NTB driver" >>>>> depends on PCI_ENDPOINT >>>>> + depends on NTB >>>>> select CONFIGFS_FS >>>>> help >>>>> Select this configuration option to enable the Non-Transparent >>>>> -- > Works for me. Thanks. > > Acked-by: Randy Dunlap <rdunlap@infradead.org> > Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested > > maybe even > Reported-by: Randy Dunlap <rdunlap@infradead.org> > (see https://lore.kernel.org/linux-next/835b844b-9d9d-615c-af11-44154c2a8102@infradead.org/) >
On Sat, Jul 09, 2022 at 10:50:53AM +0800, Ren Zhijie wrote: > Hi, Bjorn and jon > > Just a friendly ping ... > > Is this patch be merged or squashed? Jon has to take care of this because I don't have the VNTB patches in my tree. > > > > > > drivers/pci/endpoint/functions/Kconfig | 1 + > > > > > > 1 file changed, 1 insertion(+) > > > > > > > > > > > > diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig > > > > > > index 362555b024e8..9beee4f0f4ee 100644 > > > > > > --- a/drivers/pci/endpoint/functions/Kconfig > > > > > > +++ b/drivers/pci/endpoint/functions/Kconfig > > > > > > @@ -29,6 +29,7 @@ config PCI_EPF_NTB > > > > > > config PCI_EPF_VNTB > > > > > > tristate "PCI Endpoint NTB driver" > > > > > > depends on PCI_ENDPOINT > > > > > > + depends on NTB > > > > > > select CONFIGFS_FS > > > > > > help > > > > > > Select this configuration option to enable the Non-Transparent
On Fri, Jul 15, 2022 at 04:24:11PM -0500, Bjorn Helgaas wrote: > On Sat, Jul 09, 2022 at 10:50:53AM +0800, Ren Zhijie wrote: > > Hi, Bjorn and jon > > > > Just a friendly ping ... > > > > Is this patch be merged or squashed? > > Jon has to take care of this because I don't have the VNTB patches in > my tree. Sorry for the extremely long delay in response. This series is in my ntb branch and will be in my pull request for v5.20 which should be going out later today. Thanks, Jon > > > > > > > > drivers/pci/endpoint/functions/Kconfig | 1 + > > > > > > > 1 file changed, 1 insertion(+) > > > > > > > > > > > > > > diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig > > > > > > > index 362555b024e8..9beee4f0f4ee 100644 > > > > > > > --- a/drivers/pci/endpoint/functions/Kconfig > > > > > > > +++ b/drivers/pci/endpoint/functions/Kconfig > > > > > > > @@ -29,6 +29,7 @@ config PCI_EPF_NTB > > > > > > > config PCI_EPF_VNTB > > > > > > > tristate "PCI Endpoint NTB driver" > > > > > > > depends on PCI_ENDPOINT > > > > > > > + depends on NTB > > > > > > > select CONFIGFS_FS > > > > > > > help > > > > > > > Select this configuration option to enable the Non-Transparent
diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig index 362555b024e8..9beee4f0f4ee 100644 --- a/drivers/pci/endpoint/functions/Kconfig +++ b/drivers/pci/endpoint/functions/Kconfig @@ -29,6 +29,7 @@ config PCI_EPF_NTB config PCI_EPF_VNTB tristate "PCI Endpoint NTB driver" depends on PCI_ENDPOINT + depends on NTB select CONFIGFS_FS help Select this configuration option to enable the Non-Transparent
If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. To fix this build error, add depends on NTB. Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> Acked-by: Frank Li <frank.li@nxp.com> --- v2: Fix some commit message errors --- drivers/pci/endpoint/functions/Kconfig | 1 + 1 file changed, 1 insertion(+)