[common] bcm: unlimit log size in panic

Change-Id: I0502681f657dffdf3c952ca6a086dc15d896d4d5
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

diff --git a/drivers/soc/samsung/exynos-bcm.c b/drivers/soc/samsung/exynos-bcm.c
index ac1b479130c3fa94aae926bb7b919b381d97d7b7..3d60a0462141e467be25b6a0730c0d0b8c3bef14 100644 (file)
--- a/drivers/soc/samsung/exynos-bcm.c
+++ b/drivers/soc/samsung/exynos-bcm.c
@@ -37,7 +37,6 @@
 #define BCM_SIZE                       SZ_64K
 #define NUM_CLK_MAX            8
 #define FILE_STR               32
-#define BCM_LOG_CNT            200
 
 enum outform {
        OUT_FILE = 1,
@@ -245,17 +244,18 @@ struct output_data *bcm_stop(const int *usr)
                }
                data = fw_func->fw_stop(get_time(),
                                cal_dfs_cached_get_rate, usr);
-               spin_unlock_irqrestore(&bcm_lock, flags);
-               if (data) {
+               if (data)
                        hrtimer_try_to_cancel(&bcm_hrtimer);
-                       switch (fw_func->get_outform()) {
-                       case OUT_FILE:
-                               bcm_file_out(NULL);
-                               break;
-                       case OUT_LOG:
-                               bcm_log();
-                               break;
-                       }
+               spin_unlock_irqrestore(&bcm_lock, flags);
+               switch (fw_func->get_outform()) {
+               case OUT_FILE:
+                       bcm_file_out(NULL);
+                       break;
+               case OUT_LOG:
+                       bcm_log();
+                       break;
+               default:
+                       break;
                }
        }
        return data;
@@ -277,16 +277,21 @@ static void pd_init(void)
 {
        struct exynos_pm_domain *exypd = NULL;
        struct bcm_info *bcm;
+       int ret;
        int i;
        while (bcm = fw_func->get_pd(), bcm) {
                for (i = 0; i < NUM_CLK_MAX; i++){
                        if (bcm->clk_name[i]) {
                                bcm->clk[i] = clk_get(NULL, bcm->clk_name[i]);
-                               if (IS_ERR(bcm->clk[i]))
+                               if (IS_ERR(bcm->clk[i])) {
                                        pr_err("failed to get clk %s\n",
                                                bcm->clk_name[i]);
-                               else
-                                       clk_prepare(bcm->clk[i]);
+                               } else {
+                                       ret = clk_prepare(bcm->clk[i]);
+                                       if (ret < 0)
+                                               pr_err("failed to prepare clk %s\n",
+                                                      bcm->clk_name[i]);
+                               }
                        } else {
                                bcm->clk[i] = NULL;
                                break;
@@ -494,12 +499,15 @@ static ssize_t store_cmd_bcm_fw(struct device *dev,
                                hrtimer_try_to_cancel(&bcm_hrtimer);
                        info_str = fw_func->fw_cmd(buf);
                        spin_unlock_irqrestore(&bcm_lock, flags);
-                       switch (fw_func->get_outform()) {
+                       switch (option) {
+                       case OUT_FILE:
+                               write_file(NULL);
+                               break;
                        case OUT_LOG:
                                bcm_log();
                                break;
                        default:
-                               write_file(NULL);
+                               break;
                        }
                        break;
                case BCM_START:
@@ -597,7 +605,6 @@ static int exynos_bcm_notify_panic(struct notifier_block *nb,
 {
        if (fw_func) {
                unsigned long flags;
-               int cnt = 0;
                spin_lock_irqsave(&bcm_lock, flags);
                if (!fw_func) {
                        spin_unlock_irqrestore(&bcm_lock, flags);
@@ -605,7 +612,7 @@ static int exynos_bcm_notify_panic(struct notifier_block *nb,
                }
                fw_func->fw_stop(get_time(),
                                 cal_dfs_cached_get_rate, NULL);
-               while (cnt++ < BCM_LOG_CNT && fw_func->fw_getresult(NULL));
+               while (fw_func->fw_getresult(NULL));
                spin_unlock_irqrestore(&bcm_lock, flags);
        }