* [PATCH v1] Bluetooth: btintel_pcie: treat boot stage bit 12 as warning
@ 2026-04-19 8:33 Kiran K
2026-04-19 9:34 ` [v1] " bluez.test.bot
0 siblings, 1 reply; 2+ messages in thread
From: Kiran K @ 2026-04-19 8:33 UTC (permalink / raw)
To: linux-bluetooth
Cc: ravishankar.srivatsa, chethan.tumkur.narayan, Sai Teja Aluvala,
Kiran K
From: Sai Teja Aluvala <aluvala.sai.teja@intel.com>
CSR boot stage register bit 12 is documented as a device warning,
not a fatal error. Rename the bit definition accordingly and stop
including it in btintel_pcie_in_error().
This keeps warning-only boot stage values from being classified as
errors while preserving abort-handler state as the actual error
condition.
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Sai Teja Aluvala <aluvala.sai.teja@intel.com>
---
drivers/bluetooth/btintel_pcie.c | 6 +++---
drivers/bluetooth/btintel_pcie.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 076beb45c410..46b2637b64aa 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -892,8 +892,7 @@ static inline bool btintel_pcie_in_lockdown(struct btintel_pcie_data *data)
static inline bool btintel_pcie_in_error(struct btintel_pcie_data *data)
{
- return (data->boot_stage_cache & BTINTEL_PCIE_CSR_BOOT_STAGE_DEVICE_ERR) ||
- (data->boot_stage_cache & BTINTEL_PCIE_CSR_BOOT_STAGE_ABORT_HANDLER);
+ return data->boot_stage_cache & BTINTEL_PCIE_CSR_BOOT_STAGE_ABORT_HANDLER;
}
static void btintel_pcie_msix_gp1_handler(struct btintel_pcie_data *data)
@@ -926,7 +925,8 @@ static void btintel_pcie_msix_gp0_handler(struct btintel_pcie_data *data)
data->img_resp_cache = reg;
if (btintel_pcie_in_error(data)) {
- bt_dev_err(data->hdev, "Controller in error state");
+ bt_dev_err(data->hdev, "Controller in error state: boot_stage: 0x%8.8x",
+ data->boot_stage_cache);
btintel_pcie_dump_debug_registers(data->hdev);
return;
}
diff --git a/drivers/bluetooth/btintel_pcie.h b/drivers/bluetooth/btintel_pcie.h
index d5b6d5121548..2db85f71b2f8 100644
--- a/drivers/bluetooth/btintel_pcie.h
+++ b/drivers/bluetooth/btintel_pcie.h
@@ -48,7 +48,7 @@
#define BTINTEL_PCIE_CSR_BOOT_STAGE_OPFW (BIT(2))
#define BTINTEL_PCIE_CSR_BOOT_STAGE_ROM_LOCKDOWN (BIT(10))
#define BTINTEL_PCIE_CSR_BOOT_STAGE_IML_LOCKDOWN (BIT(11))
-#define BTINTEL_PCIE_CSR_BOOT_STAGE_DEVICE_ERR (BIT(12))
+#define BTINTEL_PCIE_CSR_BOOT_STAGE_DEVICE_WARNING (BIT(12))
#define BTINTEL_PCIE_CSR_BOOT_STAGE_ABORT_HANDLER (BIT(13))
#define BTINTEL_PCIE_CSR_BOOT_STAGE_DEVICE_HALTED (BIT(14))
#define BTINTEL_PCIE_CSR_BOOT_STAGE_MAC_ACCESS_ON (BIT(16))
--
2.53.0
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