Message ID | 20240302-opp_support-v8-6-158285b86b10@quicinc.com |
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State | New |
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Series |
PCI: qcom: Add support for OPP
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Commit Message
Krishna chaitanya chundru
March 2, 2024, 4 a.m. UTC
Bring the switch case in pcie_link_speed_mbps() to new function to
the header file so that it can be used in other places like
in controller driver.
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
---
drivers/pci/pci.c | 19 +------------------
drivers/pci/pci.h | 22 ++++++++++++++++++++++
2 files changed, 23 insertions(+), 18 deletions(-)
Comments
On Sat, Mar 02, 2024 at 09:30:00AM +0530, Krishna chaitanya chundru wrote: > Bring the switch case in pcie_link_speed_mbps() to new function to > the header file so that it can be used in other places like > in controller driver. > Suggested-by: Bjorn Helgaas <bhelgaas@google.com> > Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> - Mani > --- > drivers/pci/pci.c | 19 +------------------ > drivers/pci/pci.h | 22 ++++++++++++++++++++++ > 2 files changed, 23 insertions(+), 18 deletions(-) > > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index d8f11a078924..b441ab862a8d 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -6309,24 +6309,7 @@ int pcie_link_speed_mbps(struct pci_dev *pdev) > if (err) > return err; > > - switch (to_pcie_link_speed(lnksta)) { > - case PCIE_SPEED_2_5GT: > - return 2500; > - case PCIE_SPEED_5_0GT: > - return 5000; > - case PCIE_SPEED_8_0GT: > - return 8000; > - case PCIE_SPEED_16_0GT: > - return 16000; > - case PCIE_SPEED_32_0GT: > - return 32000; > - case PCIE_SPEED_64_0GT: > - return 64000; > - default: > - break; > - } > - > - return -EINVAL; > + return pcie_link_speed_to_mbps(to_pcie_link_speed(lnksta)); > } > EXPORT_SYMBOL(pcie_link_speed_mbps); > > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h > index 2336a8d1edab..40403783229f 100644 > --- a/drivers/pci/pci.h > +++ b/drivers/pci/pci.h > @@ -282,6 +282,28 @@ void pci_bus_put(struct pci_bus *bus); > (speed) == PCIE_SPEED_2_5GT ? 2500*8/10 : \ > 0) > > +static inline int pcie_link_speed_to_mbps(enum pci_bus_speed speed) > +{ > + switch (speed) { > + case PCIE_SPEED_2_5GT: > + return 2500; > + case PCIE_SPEED_5_0GT: > + return 5000; > + case PCIE_SPEED_8_0GT: > + return 8000; > + case PCIE_SPEED_16_0GT: > + return 16000; > + case PCIE_SPEED_32_0GT: > + return 32000; > + case PCIE_SPEED_64_0GT: > + return 64000; > + default: > + break; > + } > + > + return -EINVAL; > +} > + > const char *pci_speed_string(enum pci_bus_speed speed); > enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev); > enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev); > > -- > 2.42.0 >
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index d8f11a078924..b441ab862a8d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6309,24 +6309,7 @@ int pcie_link_speed_mbps(struct pci_dev *pdev) if (err) return err; - switch (to_pcie_link_speed(lnksta)) { - case PCIE_SPEED_2_5GT: - return 2500; - case PCIE_SPEED_5_0GT: - return 5000; - case PCIE_SPEED_8_0GT: - return 8000; - case PCIE_SPEED_16_0GT: - return 16000; - case PCIE_SPEED_32_0GT: - return 32000; - case PCIE_SPEED_64_0GT: - return 64000; - default: - break; - } - - return -EINVAL; + return pcie_link_speed_to_mbps(to_pcie_link_speed(lnksta)); } EXPORT_SYMBOL(pcie_link_speed_mbps); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 2336a8d1edab..40403783229f 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -282,6 +282,28 @@ void pci_bus_put(struct pci_bus *bus); (speed) == PCIE_SPEED_2_5GT ? 2500*8/10 : \ 0) +static inline int pcie_link_speed_to_mbps(enum pci_bus_speed speed) +{ + switch (speed) { + case PCIE_SPEED_2_5GT: + return 2500; + case PCIE_SPEED_5_0GT: + return 5000; + case PCIE_SPEED_8_0GT: + return 8000; + case PCIE_SPEED_16_0GT: + return 16000; + case PCIE_SPEED_32_0GT: + return 32000; + case PCIE_SPEED_64_0GT: + return 64000; + default: + break; + } + + return -EINVAL; +} + const char *pci_speed_string(enum pci_bus_speed speed); enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev); enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev);