diff options
Diffstat (limited to 'arch/arm/mach-zynq/slcr.c')
| -rw-r--r-- | arch/arm/mach-zynq/slcr.c | 35 |
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(); |