[RAMEN9610-11198][COMMON] drivers: exynos-pm: print MIF_REQ owners

Change-Id: Icf2bdca6576f7d7576b2a0317cbb0fb38c2c7a2a
Signed-off-by: yi jaeuk <ju.yi@samsung.com>

diff --git a/drivers/soc/samsung/exynos-pm.c b/drivers/soc/samsung/exynos-pm.c
index 92af0d76f4798b8add334e63d233032b9505d578..d59920a320156e9bea100a4fb1c08de38258c22e 100644 (file)
--- a/drivers/soc/samsung/exynos-pm.c
+++ b/drivers/soc/samsung/exynos-pm.c
@@ -59,6 +59,10 @@ struct exynos_pm_info {
        bool (*usb_is_connect)(void);
        unsigned int conn_req_offset;
        unsigned int prev_conn_req;             /* TCXO, PWR, MIF request status of masters */
+       unsigned int pmu_cp_stat_offset;
+       unsigned int pmu_gnss_stat_offset;
+       unsigned int pmu_wlbt_stat_offset;
+       unsigned int stat_access_mif_offset;
 };
 static struct exynos_pm_info *pm_info;
 
@@ -285,6 +289,16 @@ static struct syscore_ops exynos_pm_syscore_ops = {
        .resume         = exynos_pm_syscore_resume,
 };
 
+static int exynos_pm_read_access_mif_stat(unsigned int stat_addr)
+{
+       unsigned int stat;
+
+       exynos_pmu_read(stat_addr, &stat);
+       stat = (stat >> pm_info->stat_access_mif_offset) & 0x1;
+
+       return stat;
+}
+
 static int exynos_pm_enter(suspend_state_t state)
 {
        unsigned int psci_index;
@@ -316,11 +330,18 @@ static int exynos_pm_enter(suspend_state_t state)
        post_mif = acpm_get_mifdn_count();
        pr_info("%s: post mif_count %d\n",EXYNOS_PM_PREFIX, post_mif);
 
-       if (post_mif == prev_mif)
+       if (post_mif == prev_mif) {
                pr_info("%s: MIF blocked. prev_conn_req: 0x%x\n", EXYNOS_PM_PREFIX, pm_info->prev_conn_req);
-       else
+               pr_info("%s: cp_access_mif: 0x%x\n", EXYNOS_PM_PREFIX,
+                               exynos_pm_read_access_mif_stat(pm_info->pmu_cp_stat_offset));
+               pr_info("%s: gnss_access_mif: 0x%x\n", EXYNOS_PM_PREFIX,
+                               exynos_pm_read_access_mif_stat(pm_info->pmu_gnss_stat_offset));
+               pr_info("%s: wlbt_access_mif: 0x%x\n", EXYNOS_PM_PREFIX,
+                               exynos_pm_read_access_mif_stat(pm_info->pmu_wlbt_stat_offset));
+       } else {
                pr_info("%s: MIF down. cur_count: %d, acc_count: %d\n",
                                EXYNOS_PM_PREFIX, post_mif - prev_mif, post_mif);
+       }
 
        pr_info("%s: MIF_UP history: \n", EXYNOS_PM_PREFIX);
        acpm_get_inform();
@@ -518,6 +539,30 @@ static __init int exynos_pm_drvinit(void)
                                        EXYNOS_PM_PREFIX, __func__);
                        BUG();
                }
+               ret = of_property_read_u32(np, "pmu_cp_stat_offset", &pm_info->pmu_cp_stat_offset);
+               if (ret) {
+                       pr_err("%s %s: unabled to get pmu_cp_stat_offset value from DT\n",
+                                       EXYNOS_PM_PREFIX, __func__);
+                       BUG();
+               }
+               ret = of_property_read_u32(np, "pmu_gnss_stat_offset", &pm_info->pmu_gnss_stat_offset);
+               if (ret) {
+                       pr_err("%s %s: unabled to get pmu_gnss_stat_offset value from DT\n",
+                                       EXYNOS_PM_PREFIX, __func__);
+                       BUG();
+               }
+               ret = of_property_read_u32(np, "pmu_wlbt_stat_offset", &pm_info->pmu_wlbt_stat_offset);
+               if (ret) {
+                       pr_err("%s %s: unabled to get pmu_wlbt_stat_offset value from DT\n",
+                                       EXYNOS_PM_PREFIX, __func__);
+                       BUG();
+               }
+               ret = of_property_read_u32(np, "stat_access_mif_offset", &pm_info->stat_access_mif_offset);
+               if (ret) {
+                       pr_err("%s %s: unabled to get stat_access_mif_offset value from DT\n",
+                                       EXYNOS_PM_PREFIX, __func__);
+                       BUG();
+               }
                pm_info->prev_conn_req = 0;
        } else {
                pr_err("%s %s: failed to have populated device tree\n",