diff options
Diffstat (limited to 'gxp-lpm.c')
| -rw-r--r-- | gxp-lpm.c | 30 |
1 files changed, 4 insertions, 26 deletions
@@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * GXP power management interface. + * GXP local power management interface. * * Copyright (C) 2021 Google LLC */ @@ -36,7 +36,7 @@ static void enable_state(struct gxp_dev *gxp, uint psm, uint state) lpm_write_32_psm(gxp, psm, offset, 0x1); } -static bool is_initialized(struct gxp_dev *gxp, uint psm) +bool gxp_lpm_is_initialized(struct gxp_dev *gxp, uint psm) { u32 status = lpm_read_32_psm(gxp, psm, PSM_STATUS_OFFSET); @@ -57,28 +57,6 @@ static uint get_state(struct gxp_dev *gxp, uint psm) return status & PSM_CURR_STATE_MASK; } -int gxp_blk_set_state(struct gxp_dev *gxp, unsigned long state) -{ - int ret = 0; - -#ifdef CONFIG_GXP_CLOUDRIPPER - ret = exynos_acpm_set_rate(AUR_DVFS_DOMAIN, state); - dev_dbg(gxp->dev, "%s: state %lu, ret %d\n", __func__, state, ret); -#endif - return ret; -} - -int gxp_blk_get_state(struct gxp_dev *gxp) -{ - int ret = 0; - -#ifdef CONFIG_GXP_CLOUDRIPPER - ret = exynos_acpm_get_rate(AUR_DVFS_DOMAIN, AUR_DEBUG_CORE_FREQ); - dev_dbg(gxp->dev, "%s: state %d\n", __func__, ret); -#endif - return ret; -} - static int set_state_internal(struct gxp_dev *gxp, uint psm, uint target_state) { u32 val; @@ -143,7 +121,7 @@ static int psm_enable(struct gxp_dev *gxp, uint psm) int i = 10000; /* Return early if LPM is already initialized */ - if (is_initialized(gxp, psm)) { + if (gxp_lpm_is_initialized(gxp, psm)) { if (psm != LPM_TOP_PSM) { /* Ensure core is in PS2 */ return set_state(gxp, psm, LPM_PG_W_RET_STATE); @@ -228,7 +206,7 @@ int gxp_lpm_up(struct gxp_dev *gxp, uint core) dev_notice(gxp->dev, "Enabling Core%u PSM...\n", core); if (psm_enable(gxp, core)) { dev_notice(gxp->dev, "Timed out!\n"); - return 0; + return -ETIMEDOUT; } dev_notice(gxp->dev, "Enabled\n"); |