On 17/03/2017 17:11, Mason wrote:
> diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c
> new file mode 100644
> index 000000000000..9d7fed75fd1d
> --- /dev/null
> +++ b/drivers/pci/host/pcie-tango.c
> @@ -0,0 +1,125 @@
> +#include <linux/pci-ecam.h>
> +
> +#define VENDOR_SIGMA 0x1105
> +
> +/*
> + * How do I reach dev->driver_data in the config accessors?
> + */
> +static void __iomem *mux;
struct pci_config_window *cfg = bus->sysdata;
dev_get_drvdata(cfg->parent);
/*
* struct to hold the mappings of a config space window. This
* is expected to be used as sysdata for PCI controllers that
* use ECAM.
*/
struct pci_config_window {
struct resource res;
struct resource busr;
void *priv;
struct pci_ecam_ops *ops;
union {
void __iomem *win; /* 64-bit single mapping */
void __iomem **winp; /* 32-bit per-bus mapping */
};
struct device *parent;/* ECAM res was from this dev */
};
