soc: imx: gpc: add defines for domain index

Makes referencing a specfic domain in the driver code
less error prone.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 4294287e5f6cfc1842d78760f9b6b19a55625d1b..d4ebb325b55844198579b2bb30a02b5203d13410 100644 (file)
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -235,6 +235,10 @@ static struct platform_driver imx_pgc_power_domain_driver = {
 };
 builtin_platform_driver(imx_pgc_power_domain_driver)
 
+#define GPC_PGC_DOMAIN_ARM     0
+#define GPC_PGC_DOMAIN_PU      1
+#define GPC_PGC_DOMAIN_DISPLAY 2
+
 static struct genpd_power_state imx6_pm_domain_pu_state = {
        .power_off_latency_ns = 25000,
        .power_on_latency_ns = 2000000,
@@ -340,7 +344,7 @@ static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
 genpd_err:
        for (i = 0; i < num_domains; i++)
                pm_genpd_remove(&imx_gpc_domains[i].base);
-       imx_pgc_put_clocks(&imx_gpc_domains[1]);
+       imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
 clk_err:
        return ret;
 }
@@ -441,12 +445,12 @@ static int imx_gpc_remove(struct platform_device *pdev)
        if (!of_get_child_by_name(pdev->dev.of_node, "pgc")) {
                of_genpd_del_provider(pdev->dev.of_node);
 
-               ret = pm_genpd_remove(&imx_gpc_domains[1].base);
+               ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
                if (ret)
                        return ret;
-               imx_pgc_put_clocks(&imx_gpc_domains[1]);
+               imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
 
-               ret = pm_genpd_remove(&imx_gpc_domains[0].base);
+               ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base);
                if (ret)
                        return ret;
        }