static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
ipath_ureg regno, int port)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
ipath_kreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readl((u32 __iomem *) & dd->ipath_kregbase[regno]);
}
static inline u64 ipath_read_kreg64(const struct ipath_devdata *dd,
ipath_kreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readq(&dd->ipath_kregbase[regno]);
static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
ipath_sreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readq(regno + (u64 __iomem *)
static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
ipath_sreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
(dd->ipath_cregbase +