diff options
Diffstat (limited to 'drivers/net/ipa/ipa_uc.c')
-rw-r--r-- | drivers/net/ipa/ipa_uc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/ipa/ipa_uc.c b/drivers/net/ipa/ipa_uc.c index 856e55a080a7..f0ee47281015 100644 --- a/drivers/net/ipa/ipa_uc.c +++ b/drivers/net/ipa/ipa_uc.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2018-2020 Linaro Ltd. + * Copyright (C) 2018-2022 Linaro Ltd. */ #include <linux/types.h> @@ -11,6 +11,7 @@ #include "ipa.h" #include "ipa_uc.h" +#include "ipa_power.h" /** * DOC: The IPA embedded microcontroller @@ -154,6 +155,7 @@ static void ipa_uc_response_hdlr(struct ipa *ipa, enum ipa_irq_id irq_id) case IPA_UC_RESPONSE_INIT_COMPLETED: if (ipa->uc_powered) { ipa->uc_loaded = true; + ipa_power_retention(ipa, true); pm_runtime_mark_last_busy(dev); (void)pm_runtime_put_autosuspend(dev); ipa->uc_powered = false; @@ -184,6 +186,9 @@ void ipa_uc_deconfig(struct ipa *ipa) ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_1); ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_0); + if (ipa->uc_loaded) + ipa_power_retention(ipa, false); + if (!ipa->uc_powered) return; @@ -217,7 +222,7 @@ void ipa_uc_power(struct ipa *ipa) static void send_uc_command(struct ipa *ipa, u32 command, u32 command_param) { struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa); - u32 offset; + const struct ipa_reg *reg; u32 val; /* Fill in the command data */ @@ -228,9 +233,10 @@ static void send_uc_command(struct ipa *ipa, u32 command, u32 command_param) shared->response_param = 0; /* Use an interrupt to tell the microcontroller the command is ready */ - val = u32_encode_bits(1, UC_INTR_FMASK); - offset = ipa_reg_irq_uc_offset(ipa->version); - iowrite32(val, ipa->reg_virt + offset); + reg = ipa_reg(ipa, IPA_IRQ_UC); + val = ipa_reg_bit(reg, UC_INTR); + + iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg)); } /* Tell the microcontroller the AP is shutting down */ |