On Tue, Jul 19, 2016 at 02:52:58PM +0200, Alexander Gordeev wrote:
> Cc: Thomas Huth <thuth@xxxxxxxxxx>
> Cc: Andrew Jones <drjones@xxxxxxxxxx>
> Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
> ---
> lib/pci.c | 38 ++++++++++++++++++++------------------
> lib/pci.h | 3 ++-
> 2 files changed, 22 insertions(+), 19 deletions(-)
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
>
> diff --git a/lib/pci.c b/lib/pci.c
> index 0058d70c888d..43cd0ea4f2fa 100644
> --- a/lib/pci.c
> +++ b/lib/pci.c
> @@ -10,34 +10,36 @@
> /* Scan bus look for a specific device. Only bus 0 scanned for now. */
> pcidevaddr_t pci_find_dev(uint16_t vendor_id, uint16_t device_id)
> {
> - unsigned dev;
> - for (dev = 0; dev < 256; ++dev) {
> - uint32_t id = pci_config_read(dev, 0);
> - if ((id & 0xFFFF) == vendor_id && (id >> 16) == device_id) {
> - return dev;
> - }
> - }
> - return PCIDEVADDR_INVALID;
> + pcidevaddr_t dev;
> +
> + for (dev = 0; dev < 256; ++dev) {
> + uint32_t id = pci_config_read(dev, 0);
> +
> + if ((id & 0xFFFF) == vendor_id && (id >> 16) == device_id)
> + return dev;
> + }
> +
> + return PCIDEVADDR_INVALID;
> }
>
> unsigned long pci_bar_addr(pcidevaddr_t dev, int bar_num)
> {
> - uint32_t bar = pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> - if (bar & PCI_BASE_ADDRESS_SPACE_IO) {
> - return bar & PCI_BASE_ADDRESS_IO_MASK;
> - } else {
> - return bar & PCI_BASE_ADDRESS_MEM_MASK;
> - }
> + uint32_t bar = pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> +
> + if (bar & PCI_BASE_ADDRESS_SPACE_IO)
> + return bar & PCI_BASE_ADDRESS_IO_MASK;
> + else
> + return bar & PCI_BASE_ADDRESS_MEM_MASK;
> }
>
> bool pci_bar_is_memory(pcidevaddr_t dev, int bar_num)
> {
> - uint32_t bar = pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> - return !(bar & PCI_BASE_ADDRESS_SPACE_IO);
> + uint32_t bar = pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> +
> + return !(bar & PCI_BASE_ADDRESS_SPACE_IO);
> }
>
> bool pci_bar_is_valid(pcidevaddr_t dev, int bar_num)
> {
> - uint32_t bar = pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> - return bar;
> + return pci_config_read(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
> }
> diff --git a/lib/pci.h b/lib/pci.h
> index 9160cfb5950d..54fbf22d634a 100644
> --- a/lib/pci.h
> +++ b/lib/pci.h
> @@ -12,8 +12,9 @@
>
> typedef uint16_t pcidevaddr_t;
> enum {
> - PCIDEVADDR_INVALID = 0xffff,
> + PCIDEVADDR_INVALID = 0xffff,
> };
> +
> pcidevaddr_t pci_find_dev(uint16_t vendor_id, uint16_t device_id);
> unsigned long pci_bar_addr(pcidevaddr_t dev, int bar_num);
> bool pci_bar_is_memory(pcidevaddr_t dev, int bar_num);
> --
> 1.8.3.1
>
> --
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