ARM: tegra: pm: remove save_se_context()

Since, T14x is deprecated, save_se_context() is dead code already.

Removing this function helps us limit context of tegra_smmu_suspend()
and tegra_smmu_resume()

Bug 200032218

Change-Id: I66e7072f2ccaf121664ba591ace449455248dc0e
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/591554
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Shravani Dingari <shravanid@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>

diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c
index cf792efc1dc033fe6cbbf17f26666d5a38dfdde2..3164152984390418572163961b9614384241eb63 100644 (file)
--- a/arch/arm/mach-tegra/pm.c
+++ b/arch/arm/mach-tegra/pm.c
@@ -141,9 +141,6 @@ struct suspend_context tegra_sctx;
 #if defined(CONFIG_CRYPTO_DEV_TEGRA_SE) && defined(CONFIG_ARCH_TEGRA_14x_SOC)
 extern struct device *get_se_device(void);
 extern int se_suspend(struct device *dev, bool pooling);
-extern struct device *get_smmu_device(void);
-extern int tegra_smmu_resume(struct device *dev);
-extern int tegra_smmu_suspend(struct device *dev);
 #endif
 
 bool tegra_is_dpd_mode;
@@ -1174,49 +1171,6 @@ static const char *lp_state[TEGRA_MAX_SUSPEND_MODE] = {
        [TEGRA_SUSPEND_LP0] = "LP0",
 };
 
-#if defined(CONFIG_CRYPTO_DEV_TEGRA_SE) && defined(CONFIG_ARCH_TEGRA_14x_SOC)
-static int save_se_context(void)
-{
-       struct device *smmu_dev, *se_dev;
-       int ret = 0;
-
-       smmu_dev = get_smmu_device();
-       if (!smmu_dev) {
-               pr_info("Failed to get smmu device\n");
-               goto save_fail;
-       }
-
-       se_dev = get_se_device();
-       if (!se_dev) {
-               pr_info("Failed to get SE device \n");
-               goto save_fail;
-       }
-
-       /* smmu resume needs to be called
-        * for se_suspend() operation */
-       ret = tegra_smmu_resume(smmu_dev);
-       if (ret) {
-               pr_info("Failed to resume smmu device\n");
-               goto save_fail;
-       }
-
-       ret = se_suspend(se_dev, true);
-       if (ret) {
-               pr_info("Failed to suspend SE device\n");
-               goto save_fail;
-       }
-
-       ret = tegra_smmu_suspend(smmu_dev);
-       if (ret) {
-               pr_info("Failed to suspend smmu device\n");
-               goto save_fail;
-       }
-
-save_fail:
-       return ret;
-}
-#endif
-
 static int tegra_suspend_enter(suspend_state_t state)
 {
        int ret = 0;
@@ -1234,14 +1188,6 @@ static int tegra_suspend_enter(suspend_state_t state)
                goto abort_suspend;
        }
 
-#if defined(CONFIG_CRYPTO_DEV_TEGRA_SE) && defined(CONFIG_ARCH_TEGRA_14x_SOC)
-       ret = save_se_context();
-       if (ret) {
-               pr_info("Failed to save SE context\n");
-               goto abort_suspend;
-       }
-#endif
-
        read_persistent_clock(&ts_exit);
 
        if (timespec_compare(&ts_exit, &ts_entry) > 0) {