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([14.97.72.18]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31dba3e9791sm7160804eec.0.2026.08.12.08.34.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2026 08:34:25 -0700 (PDT) From: Atharva Tiwari To: Cc: Atharva Tiwari , "Rafael J. Wysocki" , Len Brown , Sven Peter , Janne Grunau , Neal Gompa , Sebastian Reichel , Andreas Noever , Mika Westerberg , Yehezkel Bernat , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH] debug Date: Wed, 12 Aug 2026 11:34:06 -0400 Message-ID: <20260812153411.1159-1-atharvatiwarilinuxdev@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Signed-off-by: Atharva Tiwari --- drivers/acpi/sbshc.c | 11 +++++++++-- drivers/power/supply/macsmc-power.c | 2 ++ 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index 6bf5c5de5b89..a919be8bff05 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -207,6 +207,7 @@ int acpi_smbus_register_callback_global(smbus_alarm_callback callback, void *con struct acpi_smb_hc *hc = READ_ONCE(global_hc); + pr_warn("registered callback\n"); mutex_lock(&hc->lock); hc->callback = callback; hc->context = context; @@ -233,6 +234,7 @@ EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback_global); static inline void acpi_smbus_callback(void *context) { + pr_warn("acpi_smbus_callback\n"); struct acpi_smb_hc *hc = context; if (hc->callback) hc->callback(hc->context); @@ -243,15 +245,20 @@ static int smbus_alarm(void *context) struct acpi_smb_hc *hc = context; union acpi_smb_status status; u8 address; - if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw)) + pr_warn("smbus_alarm called\n"); + if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw)) { + pr_err("smbus_alarm: cant read status\n"); return 0; + } /* Check if it is only a completion notify */ if (status.fields.done && status.fields.status == SMBUS_OK) { hc->done = true; wake_up(&hc->wait); } - if (!status.fields.alarm) + if (!status.fields.alarm) { + pr_err("no alarm\n"); return 0; + } mutex_lock(&hc->lock); smb_hc_read(hc, ACPI_SMB_ALARM_ADDRESS, &address); status.fields.alarm = 0; diff --git a/drivers/power/supply/macsmc-power.c b/drivers/power/supply/macsmc-power.c index d4614fd728c5..8fb3694ddc58 100644 --- a/drivers/power/supply/macsmc-power.c +++ b/drivers/power/supply/macsmc-power.c @@ -927,6 +927,8 @@ static void macsmc_power_acpi_callback(void *context) { struct macsmc_power *power = context; + dev_warn(power->dev, "got interrupt\n"); + power_supply_changed(power->batt); power_supply_changed(power->ac); } -- 2.43.0