]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/powerpc/platforms/52xx/lite5200_pm.c
Suspend: Introduce begin() and end() callbacks
[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / 52xx / lite5200_pm.c
index ffa14aff5248f7d18193c9fa20ba247533bb454c..41c7fd91e99e5836cbaef5c7d6803334bc37a206 100644 (file)
@@ -31,7 +31,7 @@ static int lite5200_pm_valid(suspend_state_t state)
        }
 }
 
-static int lite5200_pm_set_target(suspend_state_t state)
+static int lite5200_pm_begin(suspend_state_t state)
 {
        if (lite5200_pm_valid(state)) {
                lite5200_pm_target_state = state;
@@ -42,6 +42,15 @@ static int lite5200_pm_set_target(suspend_state_t state)
 
 static int lite5200_pm_prepare(void)
 {
+       struct device_node *np;
+       const struct of_device_id immr_ids[] = {
+               { .compatible = "fsl,mpc5200-immr", },
+               { .compatible = "fsl,mpc5200b-immr", },
+               { .type = "soc", .compatible = "mpc5200", }, /* lite5200 */
+               { .type = "builtin", .compatible = "mpc5200", }, /* efika */
+               {}
+       };
+
        /* deep sleep? let mpc52xx code handle that */
        if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
                return mpc52xx_pm_prepare();
@@ -50,7 +59,9 @@ static int lite5200_pm_prepare(void)
                return -EINVAL;
 
        /* map registers */
-       mbar = mpc52xx_find_and_map("mpc5200");
+       np = of_find_matching_node(NULL, immr_ids);
+       mbar = of_iomap(np, 0);
+       of_node_put(np);
        if (!mbar) {
                printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
                return -ENOSYS;
@@ -208,12 +219,18 @@ static void lite5200_pm_finish(void)
                mpc52xx_pm_finish();
 }
 
+static void lite5200_pm_end(void)
+{
+       lite5200_pm_target_state = PM_SUSPEND_ON;
+}
+
 static struct platform_suspend_ops lite5200_pm_ops = {
        .valid          = lite5200_pm_valid,
-       .set_target     = lite5200_pm_set_target,
+       .begin          = lite5200_pm_begin,
        .prepare        = lite5200_pm_prepare,
        .enter          = lite5200_pm_enter,
        .finish         = lite5200_pm_finish,
+       .end            = lite5200_pm_end,
 };
 
 int __init lite5200_pm_init(void)