From 2eca73444036ef5a3f55e209cb62baa7047f63b7 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:53 -0500 Subject: [PATCH 1/8] net: ipa: maintain bitmap of suspend-enabled endpoints Keep track of which endpoints have the SUSPEND IPA interrupt enabled in a variable-length bitmap. This will be used in the next patch to allow the SUSPEND interrupt type to be disabled except when needed. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_interrupt.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index 4d472f4b0002e..18036e9cd161f 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -37,11 +37,13 @@ * @ipa: IPA pointer * @irq: Linux IRQ number used for IPA interrupts * @enabled: Mask indicating which interrupts are enabled + * @suspend_enabled: Bitmap of endpoints with the SUSPEND interrupt enabled */ struct ipa_interrupt { struct ipa *ipa; u32 irq; u32 enabled; + unsigned long *suspend_enabled; }; /* Clear the suspend interrupt for all endpoints that signaled it */ @@ -211,6 +213,7 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, val |= mask; else val &= ~mask; + __change_bit(endpoint_id, interrupt->suspend_enabled); iowrite32(val, ipa->reg_virt + offset); } @@ -246,7 +249,16 @@ int ipa_interrupt_config(struct ipa *ipa) interrupt->ipa = ipa; - /* Disable all IPA interrupt types */ + /* Initially all IPA interrupt types are disabled */ + interrupt->enabled = 0; + interrupt->suspend_enabled = bitmap_zalloc(ipa->endpoint_count, + GFP_KERNEL); + if (!interrupt->suspend_enabled) { + ret = -ENOMEM; + goto err_kfree; + } + + /* Disable IPA interrupt types */ reg = ipa_reg(ipa, IPA_IRQ_EN); iowrite32(0, ipa->reg_virt + reg_offset(reg)); @@ -254,7 +266,7 @@ int ipa_interrupt_config(struct ipa *ipa) "ipa", interrupt); if (ret) { dev_err(dev, "error %d requesting \"ipa\" IRQ\n", ret); - goto err_kfree; + goto err_free_bitmap; } ret = dev_pm_set_wake_irq(dev, irq); @@ -270,6 +282,8 @@ int ipa_interrupt_config(struct ipa *ipa) err_free_irq: free_irq(interrupt->irq, interrupt); +err_free_bitmap: + bitmap_free(interrupt->suspend_enabled); err_kfree: kfree(interrupt); @@ -286,6 +300,7 @@ void ipa_interrupt_deconfig(struct ipa *ipa) dev_pm_clear_wake_irq(dev); free_irq(interrupt->irq, interrupt); + bitmap_free(interrupt->suspend_enabled); } /* Initialize the IPA interrupt structure */ From 6f3700266369bafb15ce1f51156ec8128f2d90e6 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:54 -0500 Subject: [PATCH 2/8] net: ipa: only enable the SUSPEND IPA interrupt when needed Only enable the SUSPEND IPA interrupt type when at least one endpoint has that interrupt enabled. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_interrupt.c | 8 ++++++++ drivers/net/ipa/ipa_power.c | 11 +---------- 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index 18036e9cd161f..2ef640f9197c7 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -196,6 +196,7 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, u32 mask = BIT(endpoint_id % 32); u32 unit = endpoint_id / 32; const struct reg *reg; + unsigned long weight; u32 offset; u32 val; @@ -205,6 +206,10 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, if (ipa->version == IPA_VERSION_3_0) return; + weight = bitmap_weight(interrupt->suspend_enabled, ipa->endpoint_count); + if (weight == 1 && !enable) + ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); + reg = ipa_reg(ipa, IRQ_SUSPEND_EN); offset = reg_n_offset(reg, unit); val = ioread32(ipa->reg_virt + offset); @@ -216,6 +221,9 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, __change_bit(endpoint_id, interrupt->suspend_enabled); iowrite32(val, ipa->reg_virt + offset); + + if (!weight && enable) + ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND); } /* Enable TX_SUSPEND for an endpoint */ diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c index 3a7049923c381..1a413061472d8 100644 --- a/drivers/net/ipa/ipa_power.c +++ b/drivers/net/ipa/ipa_power.c @@ -234,21 +234,12 @@ void ipa_power_retention(struct ipa *ipa, bool enable) int ipa_power_setup(struct ipa *ipa) { - int ret; - - ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND); - - ret = device_init_wakeup(ipa->dev, true); - if (ret) - ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); - - return ret; + return device_init_wakeup(ipa->dev, true); } void ipa_power_teardown(struct ipa *ipa) { (void)device_init_wakeup(ipa->dev, false); - ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND); } /* Initialize IPA power management */ From 19790951f031bd22b70daf7f4fec11bc459566e9 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:55 -0500 Subject: [PATCH 3/8] net: ipa: call device_init_wakeup() earlier Currently, enabling wakeup for the IPA device doesn't occur until the setup phase of initialization (in ipa_power_setup()). There is no need to delay doing that, however. We can conveniently do it during the config phase, in ipa_interrupt_config(), where we enable power management wakeup mode for the IPA interrupt. Moving the device_init_wakeup() out of ipa_power_setup() leaves that function empty, so it can just be eliminated. Similarly, rearrange all of the matching inverse calls, disabling device wakeup in ipa_interrupt_deconfig() and removing that function as well. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_interrupt.c | 11 ++++++++++- drivers/net/ipa/ipa_main.c | 7 ------- drivers/net/ipa/ipa_power.c | 10 ---------- drivers/net/ipa/ipa_power.h | 14 -------------- 4 files changed, 10 insertions(+), 32 deletions(-) diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index 2ef640f9197c7..245a069970556 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -277,17 +277,25 @@ int ipa_interrupt_config(struct ipa *ipa) goto err_free_bitmap; } + ret = device_init_wakeup(dev, true); + if (ret) { + dev_err(dev, "error %d enabling wakeup\n", ret); + goto err_free_irq; + } + ret = dev_pm_set_wake_irq(dev, irq); if (ret) { dev_err(dev, "error %d registering \"ipa\" IRQ as wakeirq\n", ret); - goto err_free_irq; + goto err_disable_wakeup; } ipa->interrupt = interrupt; return 0; +err_disable_wakeup: + (void)device_init_wakeup(dev, false); err_free_irq: free_irq(interrupt->irq, interrupt); err_free_bitmap: @@ -307,6 +315,7 @@ void ipa_interrupt_deconfig(struct ipa *ipa) ipa->interrupt = NULL; dev_pm_clear_wake_irq(dev); + (void)device_init_wakeup(dev, false); free_irq(interrupt->irq, interrupt); bitmap_free(interrupt->suspend_enabled); } diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 6523878c0d7f6..b13a59f27106d 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -119,10 +119,6 @@ int ipa_setup(struct ipa *ipa) if (ret) return ret; - ret = ipa_power_setup(ipa); - if (ret) - goto err_gsi_teardown; - ipa_endpoint_setup(ipa); /* We need to use the AP command TX endpoint to perform other @@ -169,8 +165,6 @@ int ipa_setup(struct ipa *ipa) ipa_endpoint_disable_one(command_endpoint); err_endpoint_teardown: ipa_endpoint_teardown(ipa); - ipa_power_teardown(ipa); -err_gsi_teardown: gsi_teardown(&ipa->gsi); return ret; @@ -195,7 +189,6 @@ static void ipa_teardown(struct ipa *ipa) command_endpoint = ipa->name_map[IPA_ENDPOINT_AP_COMMAND_TX]; ipa_endpoint_disable_one(command_endpoint); ipa_endpoint_teardown(ipa); - ipa_power_teardown(ipa); gsi_teardown(&ipa->gsi); } diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c index 1a413061472d8..65fd14da0f86f 100644 --- a/drivers/net/ipa/ipa_power.c +++ b/drivers/net/ipa/ipa_power.c @@ -232,16 +232,6 @@ void ipa_power_retention(struct ipa *ipa, bool enable) ret, enable ? "en" : "dis"); } -int ipa_power_setup(struct ipa *ipa) -{ - return device_init_wakeup(ipa->dev, true); -} - -void ipa_power_teardown(struct ipa *ipa) -{ - (void)device_init_wakeup(ipa->dev, false); -} - /* Initialize IPA power management */ struct ipa_power * ipa_power_init(struct device *dev, const struct ipa_power_data *data) diff --git a/drivers/net/ipa/ipa_power.h b/drivers/net/ipa/ipa_power.h index 3ffaa0687caa8..a83524a61c28b 100644 --- a/drivers/net/ipa/ipa_power.h +++ b/drivers/net/ipa/ipa_power.h @@ -31,20 +31,6 @@ u32 ipa_core_clock_rate(struct ipa *ipa); */ void ipa_power_retention(struct ipa *ipa, bool enable); -/** - * ipa_power_setup() - Set up IPA power management - * @ipa: IPA pointer - * - * Return: 0 if successful, or a negative error code - */ -int ipa_power_setup(struct ipa *ipa); - -/** - * ipa_power_teardown() - Inverse of ipa_power_setup() - * @ipa: IPA pointer - */ -void ipa_power_teardown(struct ipa *ipa); - /** * ipa_power_init() - Initialize IPA power management * @dev: IPA device From 5043d6b1621155f80089c2e251a0820414f8120f Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:56 -0500 Subject: [PATCH 4/8] net: ipa: remove unneeded FILT_ROUT_HASH_EN definitions The FILT_ROUT_HASH_EN register is only used for IPA v4.2. There, routing and filter table hashing are not supported, and so the register must be written to disable the feature. No other version uses this register, so its definition can be removed. If we need to use these some day (for example, explicitly enable the feature) this commit can be reverted. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/reg/ipa_reg-v3.1.c | 14 -------------- drivers/net/ipa/reg/ipa_reg-v3.5.1.c | 14 -------------- drivers/net/ipa/reg/ipa_reg-v4.11.c | 14 -------------- drivers/net/ipa/reg/ipa_reg-v4.5.c | 14 -------------- drivers/net/ipa/reg/ipa_reg-v4.7.c | 14 -------------- drivers/net/ipa/reg/ipa_reg-v4.9.c | 14 -------------- 6 files changed, 84 deletions(-) diff --git a/drivers/net/ipa/reg/ipa_reg-v3.1.c b/drivers/net/ipa/reg/ipa_reg-v3.1.c index 63a44dce88353..a891037015836 100644 --- a/drivers/net/ipa/reg/ipa_reg-v3.1.c +++ b/drivers/net/ipa/reg/ipa_reg-v3.1.c @@ -78,19 +78,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x000008c); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -405,7 +392,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [IPA_BCR] = ®_ipa_bcr, diff --git a/drivers/net/ipa/reg/ipa_reg-v3.5.1.c b/drivers/net/ipa/reg/ipa_reg-v3.5.1.c index 4a7b6d92207de..c81c48ec51f90 100644 --- a/drivers/net/ipa/reg/ipa_reg-v3.5.1.c +++ b/drivers/net/ipa/reg/ipa_reg-v3.5.1.c @@ -83,19 +83,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x000008c); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -416,7 +403,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [IPA_BCR] = ®_ipa_bcr, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.11.c b/drivers/net/ipa/reg/ipa_reg-v4.11.c index 257eaff9436e5..18bddc32c9318 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.11.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.11.c @@ -115,19 +115,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -472,7 +459,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.5.c b/drivers/net/ipa/reg/ipa_reg-v4.5.c index dc396344d868a..8494731efdd3b 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.5.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.5.c @@ -109,19 +109,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -491,7 +478,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.7.c b/drivers/net/ipa/reg/ipa_reg-v4.7.c index 37a2e466e4755..2c161cf691935 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.7.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.7.c @@ -109,19 +109,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -464,7 +451,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, diff --git a/drivers/net/ipa/reg/ipa_reg-v4.9.c b/drivers/net/ipa/reg/ipa_reg-v4.9.c index 09755d700784e..fa6fd312e4867 100644 --- a/drivers/net/ipa/reg/ipa_reg-v4.9.c +++ b/drivers/net/ipa/reg/ipa_reg-v4.9.c @@ -114,19 +114,6 @@ static const u32 reg_qsb_max_reads_fmask[] = { REG_FIELDS(QSB_MAX_READS, qsb_max_reads, 0x00000078); -static const u32 reg_filt_rout_hash_en_fmask[] = { - [IPV6_ROUTER_HASH] = BIT(0), - /* Bits 1-3 reserved */ - [IPV6_FILTER_HASH] = BIT(4), - /* Bits 5-7 reserved */ - [IPV4_ROUTER_HASH] = BIT(8), - /* Bits 9-11 reserved */ - [IPV4_FILTER_HASH] = BIT(12), - /* Bits 13-31 reserved */ -}; - -REG_FIELDS(FILT_ROUT_HASH_EN, filt_rout_hash_en, 0x0000148); - static const u32 reg_filt_rout_hash_flush_fmask[] = { [IPV6_ROUTER_HASH] = BIT(0), /* Bits 1-3 reserved */ @@ -469,7 +456,6 @@ static const struct reg *reg_array[] = { [SHARED_MEM_SIZE] = ®_shared_mem_size, [QSB_MAX_WRITES] = ®_qsb_max_writes, [QSB_MAX_READS] = ®_qsb_max_reads, - [FILT_ROUT_HASH_EN] = ®_filt_rout_hash_en, [FILT_ROUT_HASH_FLUSH] = ®_filt_rout_hash_flush, [STATE_AGGR_ACTIVE] = ®_state_aggr_active, [LOCAL_PKT_PROC_CNTXT] = ®_local_pkt_proc_cntxt, From b81565b7fd02da09107790d86bdebd1202f0bdf6 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:57 -0500 Subject: [PATCH 5/8] net: ipa: make ipa_table_hash_support() a real function With the exception of ipa_table_hash_support(), nothing defined in "ipa_table.h" requires the full definition of the IPA structure. Change that function to be a "real" function rather than an inline, to avoid requring the IPA structure to be defined. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_table.c | 8 +++++++- drivers/net/ipa/ipa_table.h | 7 ++----- 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 45eb24be78a2e..4e4a3f8aa8e84 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2018-2023 Linaro Ltd. + * Copyright (C) 2018-2024 Linaro Ltd. */ #include @@ -158,6 +158,12 @@ ipa_table_mem(struct ipa *ipa, bool filter, bool hashed, bool ipv6) return ipa_mem_find(ipa, mem_id); } +/* Return true if hashed tables are supported */ +bool ipa_table_hash_support(struct ipa *ipa) +{ + return ipa->version != IPA_VERSION_4_2; +} + bool ipa_filtered_valid(struct ipa *ipa, u64 filtered) { struct device *dev = ipa->dev; diff --git a/drivers/net/ipa/ipa_table.h b/drivers/net/ipa/ipa_table.h index 7cc951904bb48..16d4d15df9e9c 100644 --- a/drivers/net/ipa/ipa_table.h +++ b/drivers/net/ipa/ipa_table.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2022 Linaro Ltd. + * Copyright (C) 2019-2024 Linaro Ltd. */ #ifndef _IPA_TABLE_H_ #define _IPA_TABLE_H_ @@ -23,10 +23,7 @@ bool ipa_filtered_valid(struct ipa *ipa, u64 filtered); * ipa_table_hash_support() - Return true if hashed tables are supported * @ipa: IPA pointer */ -static inline bool ipa_table_hash_support(struct ipa *ipa) -{ - return ipa->version != IPA_VERSION_4_2; -} +bool ipa_table_hash_support(struct ipa *ipa); /** * ipa_table_reset() - Reset filter and route tables entries to "none" From f2e4e9ea82f92e58ffe4aab0077445dc27a79194 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:58 -0500 Subject: [PATCH 6/8] net: ipa: fix two bogus argument names In "ipa_endpoint.h", two function declarations have bogus argument names. Fix these. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_endpoint.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h index 328b90dfd1695..e7d8ae6c6f6a6 100644 --- a/drivers/net/ipa/ipa_endpoint.h +++ b/drivers/net/ipa/ipa_endpoint.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2023 Linaro Ltd. + * Copyright (C) 2019-2024 Linaro Ltd. */ #ifndef _IPA_ENDPOINT_H_ #define _IPA_ENDPOINT_H_ @@ -199,9 +199,9 @@ int ipa_endpoint_init(struct ipa *ipa, u32 count, const struct ipa_gsi_endpoint_data *data); void ipa_endpoint_exit(struct ipa *ipa); -void ipa_endpoint_trans_complete(struct ipa_endpoint *ipa, +void ipa_endpoint_trans_complete(struct ipa_endpoint *endpoint, struct gsi_trans *trans); -void ipa_endpoint_trans_release(struct ipa_endpoint *ipa, +void ipa_endpoint_trans_release(struct ipa_endpoint *endpoint, struct gsi_trans *trans); #endif /* _IPA_ENDPOINT_H_ */ From 319b6d4ef08714ed593a5eb842deb249544c19e1 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:17:59 -0500 Subject: [PATCH 7/8] net: ipa: fix two minor ipa_cmd problems In "ipa_cmd.h", ipa_cmd_data_valid() is declared, but that function does not exist. So delete that declaration. Also, for some reason ipa_cmd_init() never gets called. It isn't really critical--it just validates that some memory offsets and a size can be represented in some register fields, and they won't fail with current data. Regardless, call the function in ipa_probe(). Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_cmd.h | 8 -------- drivers/net/ipa/ipa_main.c | 4 ++++ 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/net/ipa/ipa_cmd.h b/drivers/net/ipa/ipa_cmd.h index 5824bb131ebab..2077fdbade99c 100644 --- a/drivers/net/ipa/ipa_cmd.h +++ b/drivers/net/ipa/ipa_cmd.h @@ -53,14 +53,6 @@ enum ipa_cmd_opcode { bool ipa_cmd_table_init_valid(struct ipa *ipa, const struct ipa_mem *mem, bool route); -/** - * ipa_cmd_data_valid() - Validate command-realted configuration is valid - * @ipa: - IPA pointer - * - * Return: true if assumptions required for command are valid - */ -bool ipa_cmd_data_valid(struct ipa *ipa); - /** * ipa_cmd_pool_init() - initialize command channel pools * @channel: AP->IPA command TX GSI channel pointer diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index b13a59f27106d..6a0fec873cddf 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -865,6 +865,10 @@ static int ipa_probe(struct platform_device *pdev) if (ret) goto err_reg_exit; + ret = ipa_cmd_init(ipa); + if (ret) + goto err_mem_exit; + ret = gsi_init(&ipa->gsi, pdev, ipa->version, data->endpoint_count, data->endpoint_data); if (ret) From dfdd70e24e3887886743b8681680da0ad07a24a7 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 19 Apr 2024 10:18:00 -0500 Subject: [PATCH 8/8] net: ipa: kill ipa_version_supported() The only place ipa_version_supported() is called is in the probe function. The version comes from the match data. Rather than checking the version validity separately, just consider anything that has match data to be supported. Signed-off-by: Alex Elder Signed-off-by: Paolo Abeni --- drivers/net/ipa/ipa_main.c | 5 ----- drivers/net/ipa/ipa_version.h | 18 ------------------ 2 files changed, 23 deletions(-) diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 6a0fec873cddf..5f3dd5a2dcf46 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -810,11 +810,6 @@ static int ipa_probe(struct platform_device *pdev) return -ENODEV; } - if (!ipa_version_supported(data->version)) { - dev_err(dev, "unsupported IPA version %u\n", data->version); - return -EINVAL; - } - if (!data->modem_route_count) { dev_err(dev, "modem_route_count cannot be zero\n"); return -EINVAL; diff --git a/drivers/net/ipa/ipa_version.h b/drivers/net/ipa/ipa_version.h index 156388e90a141..38c47f51a50c9 100644 --- a/drivers/net/ipa/ipa_version.h +++ b/drivers/net/ipa/ipa_version.h @@ -47,24 +47,6 @@ enum ipa_version { IPA_VERSION_COUNT, /* Last; not a version */ }; -static inline bool ipa_version_supported(enum ipa_version version) -{ - switch (version) { - case IPA_VERSION_3_1: - case IPA_VERSION_3_5_1: - case IPA_VERSION_4_2: - case IPA_VERSION_4_5: - case IPA_VERSION_4_7: - case IPA_VERSION_4_9: - case IPA_VERSION_4_11: - case IPA_VERSION_5_0: - case IPA_VERSION_5_5: - return true; - default: - return false; - } -} - /* Execution environment IDs */ enum gsi_ee_id { GSI_EE_AP = 0x0,