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SubjectRe: [PATCH] PCI: Remove fixed parameter in pci_iov_resource_bar()
On Thu, Oct 30, 2014 at 03:28:17PM -0600, Myron Stowe wrote:
> pci_iov_resource_bar() always sets its 'pci_bar_type' parameter to
> 'pci_bar_unknown'. Drop the parameter and just use 'pci_bar_unknown'
> directly in the callers.
>
> No functional change intended.
>
> Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
> Cc: Chris Wright <chrisw@sous-sol.org>
> Cc: Yu Zhao <yuzhao@google.com>

Applied to pci/enumeration for v3.19, thanks!

> ---
> drivers/pci/iov.c | 11 +++--------
> drivers/pci/pci.c | 3 ++-
> drivers/pci/pci.h | 3 +--
> 3 files changed, 6 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
> index 4d109c0..4b3a4ea 100644
> --- a/drivers/pci/iov.c
> +++ b/drivers/pci/iov.c
> @@ -479,20 +479,16 @@ void pci_iov_release(struct pci_dev *dev)
> * pci_iov_resource_bar - get position of the SR-IOV BAR
> * @dev: the PCI device
> * @resno: the resource number
> - * @type: the BAR type to be filled in
> *
> * Returns position of the BAR encapsulated in the SR-IOV capability.
> */
> -int pci_iov_resource_bar(struct pci_dev *dev, int resno,
> - enum pci_bar_type *type)
> +int pci_iov_resource_bar(struct pci_dev *dev, int resno)
> {
> if (resno < PCI_IOV_RESOURCES || resno > PCI_IOV_RESOURCE_END)
> return 0;
>
> BUG_ON(!dev->is_physfn);
>
> - *type = pci_bar_unknown;
> -
> return dev->sriov->pos + PCI_SRIOV_BAR +
> 4 * (resno - PCI_IOV_RESOURCES);
> }
> @@ -510,13 +506,12 @@ int pci_iov_resource_bar(struct pci_dev *dev, int resno,
> resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno)
> {
> struct resource tmp;
> - enum pci_bar_type type;
> - int reg = pci_iov_resource_bar(dev, resno, &type);
> + int reg = pci_iov_resource_bar(dev, resno);
>
> if (!reg)
> return 0;
>
> - __pci_read_base(dev, type, &tmp, reg);
> + __pci_read_base(dev, pci_bar_unknown, &tmp, reg);
> return resource_alignment(&tmp);
> }
>
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 625a4ac..7bf2465 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -4180,7 +4180,8 @@ int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type)
> return dev->rom_base_reg;
> } else if (resno < PCI_BRIDGE_RESOURCES) {
> /* device specific resource */
> - reg = pci_iov_resource_bar(dev, resno, type);
> + *type = pci_bar_unknown;
> + reg = pci_iov_resource_bar(dev, resno);
> if (reg)
> return reg;
> }
> diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> index 0601890..e0b5f17 100644
> --- a/drivers/pci/pci.h
> +++ b/drivers/pci/pci.h
> @@ -251,8 +251,7 @@ static inline void pci_restore_ats_state(struct pci_dev *dev)
> #ifdef CONFIG_PCI_IOV
> int pci_iov_init(struct pci_dev *dev);
> void pci_iov_release(struct pci_dev *dev);
> -int pci_iov_resource_bar(struct pci_dev *dev, int resno,
> - enum pci_bar_type *type);
> +int pci_iov_resource_bar(struct pci_dev *dev, int resno);
> resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno);
> void pci_restore_iov_state(struct pci_dev *dev);
> int pci_iov_bus_range(struct pci_bus *bus);
>


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