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[73.228.159.35]) by smtp.gmail.com with ESMTPSA id lc8-20020a056638958800b00484e9c7014bsm116126jab.153.2024.04.19.08.18.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Apr 2024 08:18:07 -0700 (PDT) From: Alex Elder To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: mka@chromium.org, andersson@kernel.org, quic_cpratapa@quicinc.com, quic_avuyyuru@quicinc.com, quic_jponduru@quicinc.com, quic_subashab@quicinc.com, elder@kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 3/8] net: ipa: call device_init_wakeup() earlier Date: Fri, 19 Apr 2024 10:17:55 -0500 Message-Id: <20240419151800.2168903-4-elder@linaro.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240419151800.2168903-1-elder@linaro.org> References: <20240419151800.2168903-1-elder@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 --- 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_interrup= t.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; } =20 + ret =3D device_init_wakeup(dev, true); + if (ret) { + dev_err(dev, "error %d enabling wakeup\n", ret); + goto err_free_irq; + } + ret =3D 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; } =20 ipa->interrupt =3D interrupt; =20 return 0; =20 +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 =3D NULL; =20 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; =20 - ret =3D ipa_power_setup(ipa); - if (ret) - goto err_gsi_teardown; - ipa_endpoint_setup(ipa); =20 /* 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); =20 return ret; @@ -195,7 +189,6 @@ static void ipa_teardown(struct ipa *ipa) command_endpoint =3D 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); } =20 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"); } =20 -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); =20 -/** - * 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 --=20 2.40.1