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Diffstat (limited to 'arch/arm/mach-zynq/slcr.c')
-rw-r--r--arch/arm/mach-zynq/slcr.c35
1 files changed, 7 insertions, 28 deletions
diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index d4cb50cf97c0..c3c24fd8b306 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -47,11 +47,6 @@ static struct regmap *zynq_slcr_regmap;
*/
static int zynq_slcr_write(u32 val, u32 offset)
{
- if (!zynq_slcr_regmap) {
- writel(val, zynq_slcr_base + offset);
- return 0;
- }
-
return regmap_write(zynq_slcr_regmap, offset, val);
}
@@ -65,12 +60,7 @@ static int zynq_slcr_write(u32 val, u32 offset)
*/
static int zynq_slcr_read(u32 *val, u32 offset)
{
- if (zynq_slcr_regmap)
- return regmap_read(zynq_slcr_regmap, offset, val);
-
- *val = readl(zynq_slcr_base + offset);
-
- return 0;
+ return regmap_read(zynq_slcr_regmap, offset, val);
}
/**
@@ -196,23 +186,6 @@ void zynq_slcr_cpu_state_write(int cpu, bool die)
}
/**
- * zynq_slcr_init - Regular slcr driver init
- * Return: 0 on success, negative errno otherwise.
- *
- * Called early during boot from platform code to remap SLCR area.
- */
-int __init zynq_slcr_init(void)
-{
- zynq_slcr_regmap = syscon_regmap_lookup_by_compatible("xlnx,zynq-slcr");
- if (IS_ERR(zynq_slcr_regmap)) {
- pr_err("%s: failed to find zynq-slcr\n", __func__);
- return -ENODEV;
- }
-
- return 0;
-}
-
-/**
* zynq_early_slcr_init - Early slcr init function
*
* Return: 0 on success, negative errno otherwise.
@@ -237,6 +210,12 @@ int __init zynq_early_slcr_init(void)
np->data = (__force void *)zynq_slcr_base;
+ zynq_slcr_regmap = syscon_regmap_lookup_by_compatible("xlnx,zynq-slcr");
+ if (IS_ERR(zynq_slcr_regmap)) {
+ pr_err("%s: failed to find zynq-slcr\n", __func__);
+ return -ENODEV;
+ }
+
/* unlock the SLCR so that registers can be changed */
zynq_slcr_unlock();