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authorRadim Krčmář <rkrcmar@redhat.com>2018-09-07 18:30:47 +0200
committerRadim Krčmář <rkrcmar@redhat.com>2018-09-07 18:30:47 +0200
commited2ef29100644eabc6099cbf1a3aa9d938555ab8 (patch)
treedadd3eb5d77ae2c44adc92869c662292bd652f46 /arch/arm/mach-omap2/omap_hwmod.c
parent732b53146ac8f604e45c593efe0579f78205fdcc (diff)
parentdf88f3181f10565c6e3a89eb6f0f9e6afaaf15f1 (diff)
Merge tag 'kvm-s390-master-4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: Fixes for 4.19 - Fallout from the hugetlbfs support: pfmf interpretion and locking - VSIE: fix keywrapping for nested guests
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 2ceffd85dd3d..cd65ea4e9c54 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2161,6 +2161,37 @@ static int of_dev_hwmod_lookup(struct device_node *np,
}
/**
+ * omap_hwmod_fix_mpu_rt_idx - fix up mpu_rt_idx register offsets
+ *
+ * @oh: struct omap_hwmod *
+ * @np: struct device_node *
+ *
+ * Fix up module register offsets for modules with mpu_rt_idx.
+ * Only needed for cpsw with interconnect target module defined
+ * in device tree while still using legacy hwmod platform data
+ * for rev, sysc and syss registers.
+ *
+ * Can be removed when all cpsw hwmod platform data has been
+ * dropped.
+ */
+static void omap_hwmod_fix_mpu_rt_idx(struct omap_hwmod *oh,
+ struct device_node *np,
+ struct resource *res)
+{
+ struct device_node *child = NULL;
+ int error;
+
+ child = of_get_next_child(np, child);
+ if (!child)
+ return;
+
+ error = of_address_to_resource(child, oh->mpu_rt_idx, res);
+ if (error)
+ pr_err("%s: error mapping mpu_rt_idx: %i\n",
+ __func__, error);
+}
+
+/**
* omap_hwmod_parse_module_range - map module IO range from device tree
* @oh: struct omap_hwmod *
* @np: struct device_node *
@@ -2220,7 +2251,13 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
size = be32_to_cpup(ranges);
pr_debug("omap_hwmod: %s %s at 0x%llx size 0x%llx\n",
- oh->name, np->name, base, size);
+ oh ? oh->name : "", np->name, base, size);
+
+ if (oh && oh->mpu_rt_idx) {
+ omap_hwmod_fix_mpu_rt_idx(oh, np, res);
+
+ return 0;
+ }
res->start = base;
res->end = base + size - 1;