diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-12-02 10:58:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-12-02 10:58:33 +1000 |
| commit | e8115e79aa62b6ebdb3e8e61ca4092cc32938afc (patch) | |
| tree | 42b791ab54ef9d5c73dcd49f907b8b37fa2f7e19 /drivers/of/address.c | |
| parent | 9be23ae4350bfd71c0cc2ea3494671ee90e5603b (diff) | |
| parent | 009d0431c3914de64666bec0d350e54fdd59df6a (diff) | |
Merge tag 'v3.18-rc7' into drm-next
This fixes a bunch of conflicts prior to merging i915 tree.
Linux 3.18-rc7
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_drv.c
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/tegra/dc.c
Diffstat (limited to 'drivers/of/address.c')
| -rw-r--r-- | drivers/of/address.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index afdb78299f61..06af494184d6 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -450,6 +450,21 @@ static struct of_bus *of_match_bus(struct device_node *np) return NULL; } +static int of_empty_ranges_quirk(void) +{ + if (IS_ENABLED(CONFIG_PPC)) { + /* To save cycles, we cache the result */ + static int quirk_state = -1; + + if (quirk_state < 0) + quirk_state = + of_machine_is_compatible("Power Macintosh") || + of_machine_is_compatible("MacRISC"); + return quirk_state; + } + return false; +} + static int of_translate_one(struct device_node *parent, struct of_bus *bus, struct of_bus *pbus, __be32 *addr, int na, int ns, int pna, const char *rprop) @@ -475,12 +490,10 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * This code is only enabled on powerpc. --gcl */ ranges = of_get_property(parent, rprop, &rlen); -#if !defined(CONFIG_PPC) - if (ranges == NULL) { + if (ranges == NULL && !of_empty_ranges_quirk()) { pr_err("OF: no ranges; cannot translate\n"); return 1; } -#endif /* !defined(CONFIG_PPC) */ if (ranges == NULL || rlen == 0) { offset = of_read_number(addr, na); memset(addr, 0, pna * 4); |