| Message ID | 20190424052004.6270-3-vidyas@nvidia.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Tegra194 PCIe support | expand |
On Wed, Apr 24, 2019 at 10:49:50AM +0530, Vidya Sagar wrote: > Export pcie_pme_disable_msi() & pcie_pme_no_msi() APIs to enable drivers > using this API be able to build as loadable modules. > > Signed-off-by: Vidya Sagar <vidyas@nvidia.com> > --- > Changes from [v4]: > * None > > Changes from [v3]: > * None > > Changes from [v2]: > * Exported pcie_pme_no_msi() API after making pcie_pme_msi_disabled a static > > Changes from [v1]: > * This is a new patch in v2 series > > drivers/pci/pcie/pme.c | 14 +++++++++++++- > drivers/pci/pcie/portdrv.h | 16 +++------------- > 2 files changed, 16 insertions(+), 14 deletions(-) > > diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c > index 54d593d10396..d5e0ea4a62fc 100644 > --- a/drivers/pci/pcie/pme.c > +++ b/drivers/pci/pcie/pme.c > @@ -25,7 +25,19 @@ > * that using MSI for PCIe PME signaling doesn't play well with PCIe PME-based > * wake-up from system sleep states. > */ > -bool pcie_pme_msi_disabled; > +static bool pcie_pme_msi_disabled; > + > +void pcie_pme_disable_msi(void) > +{ > + pcie_pme_msi_disabled = true; > +} > +EXPORT_SYMBOL_GPL(pcie_pme_disable_msi); > + > +bool pcie_pme_no_msi(void) > +{ > + return pcie_pme_msi_disabled; > +} > +EXPORT_SYMBOL_GPL(pcie_pme_no_msi); > > static int __init pcie_pme_setup(char *str) > { > diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h > index 1d50dc58ac40..7c8c3da4bd58 100644 > --- a/drivers/pci/pcie/portdrv.h > +++ b/drivers/pci/pcie/portdrv.h > @@ -125,22 +125,12 @@ void pcie_port_bus_unregister(void); > struct pci_dev; > > #ifdef CONFIG_PCIE_PME > -extern bool pcie_pme_msi_disabled; > - > -static inline void pcie_pme_disable_msi(void) > -{ > - pcie_pme_msi_disabled = true; > -} > - > -static inline bool pcie_pme_no_msi(void) > -{ > - return pcie_pme_msi_disabled; > -} > - > +void pcie_pme_disable_msi(void); > +bool pcie_pme_no_msi(void); > void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable); > #else /* !CONFIG_PCIE_PME */ > static inline void pcie_pme_disable_msi(void) {} > -static inline bool pcie_pme_no_msi(void) { return false; } > +static inline bool pcie_pme_no_msi(void) {} This looks wrong. Thierry
On 5/3/2019 4:31 PM, Thierry Reding wrote: > On Wed, Apr 24, 2019 at 10:49:50AM +0530, Vidya Sagar wrote: >> Export pcie_pme_disable_msi() & pcie_pme_no_msi() APIs to enable drivers >> using this API be able to build as loadable modules. >> >> Signed-off-by: Vidya Sagar <vidyas@nvidia.com> >> --- >> Changes from [v4]: >> * None >> >> Changes from [v3]: >> * None >> >> Changes from [v2]: >> * Exported pcie_pme_no_msi() API after making pcie_pme_msi_disabled a static >> >> Changes from [v1]: >> * This is a new patch in v2 series >> >> drivers/pci/pcie/pme.c | 14 +++++++++++++- >> drivers/pci/pcie/portdrv.h | 16 +++------------- >> 2 files changed, 16 insertions(+), 14 deletions(-) >> >> diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c >> index 54d593d10396..d5e0ea4a62fc 100644 >> --- a/drivers/pci/pcie/pme.c >> +++ b/drivers/pci/pcie/pme.c >> @@ -25,7 +25,19 @@ >> * that using MSI for PCIe PME signaling doesn't play well with PCIe PME-based >> * wake-up from system sleep states. >> */ >> -bool pcie_pme_msi_disabled; >> +static bool pcie_pme_msi_disabled; >> + >> +void pcie_pme_disable_msi(void) >> +{ >> + pcie_pme_msi_disabled = true; >> +} >> +EXPORT_SYMBOL_GPL(pcie_pme_disable_msi); >> + >> +bool pcie_pme_no_msi(void) >> +{ >> + return pcie_pme_msi_disabled; >> +} >> +EXPORT_SYMBOL_GPL(pcie_pme_no_msi); >> >> static int __init pcie_pme_setup(char *str) >> { >> diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h >> index 1d50dc58ac40..7c8c3da4bd58 100644 >> --- a/drivers/pci/pcie/portdrv.h >> +++ b/drivers/pci/pcie/portdrv.h >> @@ -125,22 +125,12 @@ void pcie_port_bus_unregister(void); >> struct pci_dev; >> >> #ifdef CONFIG_PCIE_PME >> -extern bool pcie_pme_msi_disabled; >> - >> -static inline void pcie_pme_disable_msi(void) >> -{ >> - pcie_pme_msi_disabled = true; >> -} >> - >> -static inline bool pcie_pme_no_msi(void) >> -{ >> - return pcie_pme_msi_disabled; >> -} >> - >> +void pcie_pme_disable_msi(void); >> +bool pcie_pme_no_msi(void); >> void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable); >> #else /* !CONFIG_PCIE_PME */ >> static inline void pcie_pme_disable_msi(void) {} >> -static inline bool pcie_pme_no_msi(void) { return false; } >> +static inline bool pcie_pme_no_msi(void) {} > > This looks wrong. Can you please give more info on what is wrong in this? > > Thierry >
On 5/7/2019 12:40 PM, Vidya Sagar wrote: > On 5/3/2019 4:31 PM, Thierry Reding wrote: >> On Wed, Apr 24, 2019 at 10:49:50AM +0530, Vidya Sagar wrote: >>> Export pcie_pme_disable_msi() & pcie_pme_no_msi() APIs to enable drivers >>> using this API be able to build as loadable modules. >>> >>> Signed-off-by: Vidya Sagar <vidyas@nvidia.com> >>> --- >>> Changes from [v4]: >>> * None >>> >>> Changes from [v3]: >>> * None >>> >>> Changes from [v2]: >>> * Exported pcie_pme_no_msi() API after making pcie_pme_msi_disabled a static >>> >>> Changes from [v1]: >>> * This is a new patch in v2 series >>> >>> drivers/pci/pcie/pme.c | 14 +++++++++++++- >>> drivers/pci/pcie/portdrv.h | 16 +++------------- >>> 2 files changed, 16 insertions(+), 14 deletions(-) >>> >>> diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c >>> index 54d593d10396..d5e0ea4a62fc 100644 >>> --- a/drivers/pci/pcie/pme.c >>> +++ b/drivers/pci/pcie/pme.c >>> @@ -25,7 +25,19 @@ >>> * that using MSI for PCIe PME signaling doesn't play well with PCIe PME-based >>> * wake-up from system sleep states. >>> */ >>> -bool pcie_pme_msi_disabled; >>> +static bool pcie_pme_msi_disabled; >>> + >>> +void pcie_pme_disable_msi(void) >>> +{ >>> + pcie_pme_msi_disabled = true; >>> +} >>> +EXPORT_SYMBOL_GPL(pcie_pme_disable_msi); >>> + >>> +bool pcie_pme_no_msi(void) >>> +{ >>> + return pcie_pme_msi_disabled; >>> +} >>> +EXPORT_SYMBOL_GPL(pcie_pme_no_msi); >>> static int __init pcie_pme_setup(char *str) >>> { >>> diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h >>> index 1d50dc58ac40..7c8c3da4bd58 100644 >>> --- a/drivers/pci/pcie/portdrv.h >>> +++ b/drivers/pci/pcie/portdrv.h >>> @@ -125,22 +125,12 @@ void pcie_port_bus_unregister(void); >>> struct pci_dev; >>> #ifdef CONFIG_PCIE_PME >>> -extern bool pcie_pme_msi_disabled; >>> - >>> -static inline void pcie_pme_disable_msi(void) >>> -{ >>> - pcie_pme_msi_disabled = true; >>> -} >>> - >>> -static inline bool pcie_pme_no_msi(void) >>> -{ >>> - return pcie_pme_msi_disabled; >>> -} >>> - >>> +void pcie_pme_disable_msi(void); >>> +bool pcie_pme_no_msi(void); >>> void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable); >>> #else /* !CONFIG_PCIE_PME */ >>> static inline void pcie_pme_disable_msi(void) {} >>> -static inline bool pcie_pme_no_msi(void) { return false; } >>> +static inline bool pcie_pme_no_msi(void) {} >> >> This looks wrong. > Can you please give more info on what is wrong in this? Is missing "return false;" the wrong here or there is more than just this? > >> >> Thierry >> >
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c index 54d593d10396..d5e0ea4a62fc 100644 --- a/drivers/pci/pcie/pme.c +++ b/drivers/pci/pcie/pme.c @@ -25,7 +25,19 @@ * that using MSI for PCIe PME signaling doesn't play well with PCIe PME-based * wake-up from system sleep states. */ -bool pcie_pme_msi_disabled; +static bool pcie_pme_msi_disabled; + +void pcie_pme_disable_msi(void) +{ + pcie_pme_msi_disabled = true; +} +EXPORT_SYMBOL_GPL(pcie_pme_disable_msi); + +bool pcie_pme_no_msi(void) +{ + return pcie_pme_msi_disabled; +} +EXPORT_SYMBOL_GPL(pcie_pme_no_msi); static int __init pcie_pme_setup(char *str) { diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 1d50dc58ac40..7c8c3da4bd58 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -125,22 +125,12 @@ void pcie_port_bus_unregister(void); struct pci_dev; #ifdef CONFIG_PCIE_PME -extern bool pcie_pme_msi_disabled; - -static inline void pcie_pme_disable_msi(void) -{ - pcie_pme_msi_disabled = true; -} - -static inline bool pcie_pme_no_msi(void) -{ - return pcie_pme_msi_disabled; -} - +void pcie_pme_disable_msi(void); +bool pcie_pme_no_msi(void); void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable); #else /* !CONFIG_PCIE_PME */ static inline void pcie_pme_disable_msi(void) {} -static inline bool pcie_pme_no_msi(void) { return false; } +static inline bool pcie_pme_no_msi(void) {} static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {} #endif /* !CONFIG_PCIE_PME */
Export pcie_pme_disable_msi() & pcie_pme_no_msi() APIs to enable drivers using this API be able to build as loadable modules. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> --- Changes from [v4]: * None Changes from [v3]: * None Changes from [v2]: * Exported pcie_pme_no_msi() API after making pcie_pme_msi_disabled a static Changes from [v1]: * This is a new patch in v2 series drivers/pci/pcie/pme.c | 14 +++++++++++++- drivers/pci/pcie/portdrv.h | 16 +++------------- 2 files changed, 16 insertions(+), 14 deletions(-)