| Message ID | 1530572336-20296-6-git-send-email-okaya@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Jul 02, 2018 at 06:58:54PM -0400, Sinan Kaya wrote: > pci_reset_bus() and pci_reset_slot() functions are not being used by > any code. Remove them from the kernel in favor of pci_try_reset_bus() > and pci_try_reset_slot() functions. > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > --- > drivers/pci/pci.c | 55 ++--------------------------------------------------- > include/linux/pci.h | 2 -- > 2 files changed, 2 insertions(+), 55 deletions(-) > > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index a31e6db..7e3f2e9 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -4784,9 +4784,9 @@ int pci_probe_reset_slot(struct pci_slot *slot) > EXPORT_SYMBOL_GPL(pci_probe_reset_slot); > > /** > - * pci_reset_slot - reset a PCI slot > + * __pci_try_reset_slot - Try to reset a PCI slot > * @slot: PCI slot to reset > - * > + *` Is this "*`" intentional or a typo? I can't find it in kernel-doc.rst (but it's full of ` and maybe I missed it). I do see a few other occurrences in the code, although they look like typos to me: $ git grep "\*\`" | grep -v Documentation arch/mips/cavium-octeon/octeon-usb.c: *` 0x1 = Big endian arch/mips/cavium-octeon/octeon-usb.c: *` 0x1 = Big endian drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:/*`
On 7/18/2018 3:30 PM, Bjorn Helgaas wrote: > On Mon, Jul 02, 2018 at 06:58:54PM -0400, Sinan Kaya wrote: >> pci_reset_bus() and pci_reset_slot() functions are not being used by >> any code. Remove them from the kernel in favor of pci_try_reset_bus() >> and pci_try_reset_slot() functions. >> >> Signed-off-by: Sinan Kaya <okaya@codeaurora.org> >> --- >> drivers/pci/pci.c | 55 ++--------------------------------------------------- >> include/linux/pci.h | 2 -- >> 2 files changed, 2 insertions(+), 55 deletions(-) >> >> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c >> index a31e6db..7e3f2e9 100644 >> --- a/drivers/pci/pci.c >> +++ b/drivers/pci/pci.c >> @@ -4784,9 +4784,9 @@ int pci_probe_reset_slot(struct pci_slot *slot) >> EXPORT_SYMBOL_GPL(pci_probe_reset_slot); >> >> /** >> - * pci_reset_slot - reset a PCI slot >> + * __pci_try_reset_slot - Try to reset a PCI slot >> * @slot: PCI slot to reset >> - * >> + *` > > Is this "*`" intentional or a typo? I can't find it in kernel-doc.rst > (but it's full of ` and maybe I missed it). Typo. > > I do see a few other occurrences in the code, although they look like > typos to me: > > $ git grep "\*\`" | grep -v Documentation > arch/mips/cavium-octeon/octeon-usb.c: *` 0x1 = Big endian > arch/mips/cavium-octeon/octeon-usb.c: *` 0x1 = Big endian > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:/*` >
On Wed, Jul 18, 2018 at 03:36:29PM -0700, Sinan Kaya wrote: > On 7/18/2018 3:30 PM, Bjorn Helgaas wrote: > > On Mon, Jul 02, 2018 at 06:58:54PM -0400, Sinan Kaya wrote: > > > pci_reset_bus() and pci_reset_slot() functions are not being used by > > > any code. Remove them from the kernel in favor of pci_try_reset_bus() > > > and pci_try_reset_slot() functions. > > > > > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > > > --- > > > drivers/pci/pci.c | 55 ++--------------------------------------------------- > > > include/linux/pci.h | 2 -- > > > 2 files changed, 2 insertions(+), 55 deletions(-) > > > > > > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > > > index a31e6db..7e3f2e9 100644 > > > --- a/drivers/pci/pci.c > > > +++ b/drivers/pci/pci.c > > > @@ -4784,9 +4784,9 @@ int pci_probe_reset_slot(struct pci_slot *slot) > > > EXPORT_SYMBOL_GPL(pci_probe_reset_slot); > > > /** > > > - * pci_reset_slot - reset a PCI slot > > > + * __pci_try_reset_slot - Try to reset a PCI slot > > > * @slot: PCI slot to reset > > > - * > > > + *` > > > > Is this "*`" intentional or a typo? I can't find it in kernel-doc.rst > > (but it's full of ` and maybe I missed it). > > Typo. Great, I fixed it.
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a31e6db..7e3f2e9 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4784,9 +4784,9 @@ int pci_probe_reset_slot(struct pci_slot *slot) EXPORT_SYMBOL_GPL(pci_probe_reset_slot); /** - * pci_reset_slot - reset a PCI slot + * __pci_try_reset_slot - Try to reset a PCI slot * @slot: PCI slot to reset - * + *` * A PCI bus may host multiple slots, each slot may support a reset mechanism * independent of other slots. For instance, some slots may support slot power * control. In the case of a 1:1 bus to slot architecture, this function may @@ -4796,30 +4796,6 @@ EXPORT_SYMBOL_GPL(pci_probe_reset_slot); * through this function. PCI config space of all devices in the slot and * behind the slot is saved before and restored after reset. * - * Return 0 on success, non-zero on error. - */ -int pci_reset_slot(struct pci_slot *slot) -{ - int rc; - - rc = pci_slot_reset(slot, 1); - if (rc) - return rc; - - pci_slot_save_and_disable(slot); - - rc = pci_slot_reset(slot, 0); - - pci_slot_restore(slot); - - return rc; -} -EXPORT_SYMBOL_GPL(pci_reset_slot); - -/** - * __pci_try_reset_slot - Try to reset a PCI slot - * @slot: PCI slot to reset - * * Same as above except return -EAGAIN if the slot cannot be locked */ static int __pci_try_reset_slot(struct pci_slot *slot) @@ -4878,33 +4854,6 @@ int pci_probe_reset_bus(struct pci_bus *bus) EXPORT_SYMBOL_GPL(pci_probe_reset_bus); /** - * pci_reset_bus - reset a PCI bus - * @bus: top level PCI bus to reset - * - * Do a bus reset on the given bus and any subordinate buses, saving - * and restoring state of all devices. - * - * Return 0 on success, non-zero on error. - */ -int pci_reset_bus(struct pci_bus *bus) -{ - int rc; - - rc = pci_bus_reset(bus, 1); - if (rc) - return rc; - - pci_bus_save_and_disable(bus); - - rc = pci_bus_reset(bus, 0); - - pci_bus_restore(bus); - - return rc; -} -EXPORT_SYMBOL_GPL(pci_reset_bus); - -/** * __pci_try_reset_bus - Try to reset a PCI bus * @bus: top level PCI bus to reset * diff --git a/include/linux/pci.h b/include/linux/pci.h index f5c85b6..ad0c89a 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1095,9 +1095,7 @@ int pci_reset_function(struct pci_dev *dev); int pci_reset_function_locked(struct pci_dev *dev); int pci_try_reset_function(struct pci_dev *dev); int pci_probe_reset_slot(struct pci_slot *slot); -int pci_reset_slot(struct pci_slot *slot); int pci_probe_reset_bus(struct pci_bus *bus); -int pci_reset_bus(struct pci_bus *bus); int pci_try_reset_bus(struct pci_dev *dev); void pci_reset_secondary_bus(struct pci_dev *dev); void pcibios_reset_secondary_bus(struct pci_dev *dev);
pci_reset_bus() and pci_reset_slot() functions are not being used by any code. Remove them from the kernel in favor of pci_try_reset_bus() and pci_try_reset_slot() functions. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> --- drivers/pci/pci.c | 55 ++--------------------------------------------------- include/linux/pci.h | 2 -- 2 files changed, 2 insertions(+), 55 deletions(-)