2017-10-07 06:16:08

by Ian W MORRISON

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Subject: [PATCH v2] Bluetooth: hci_bcm: Correct context of IRQ polarity message

As the overwriting of IRQ polarity to active low occurs during the driver probe using 'bt_dev_warn' to display the warning results in '(null)' being displayed for the device. This patch uses 'dev_warn' to correctly display the device in the warning instead.

Signed-off-by: ianwmorrison <[email protected]>
---
v2: Uses 'dev_warn' (Suggested-by: Marcel Holtmann <[email protected]>)

Testing shows the following improvements using an extract from dmesg of the affected message:

Without patch:
[ 5.512175] Bluetooth: (null): MINIX Z83-4: Overwriting IRQ polarity to active low

v1 (superseded) patch:
[ 5.592238] Bluetooth: MINIX Z83-4: Overwriting IRQ polarity to active low

v2 patch (with a kernel excluding serdev ACPI support patches):
[ 6.112265] hci_bcm BCM2EA4:00: MINIX Z83-4: Overwriting IRQ polarity to active low

v2 patch (with a kernel including serdev ACPI support patches):
[ 6.367829] hci_uart_bcm serial1-0: MINIX Z83-4: Overwriting IRQ polarity to active low
---
drivers/bluetooth/hci_bcm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 77326eeb6146..16c2eaaaf72b 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -839,7 +839,7 @@ static int bcm_acpi_probe(struct bcm_device *dev)

dmi_id = dmi_first_match(bcm_active_low_irq_dmi_table);
if (dmi_id) {
- bt_dev_warn(dev, "%s: Overwriting IRQ polarity to active low",
+ dev_warn(dev->dev, "%s: Overwriting IRQ polarity to active low",
dmi_id->ident);
dev->irq_active_low = true;
}
--
2.11.0


2017-10-09 18:04:41

by Marcel Holtmann

[permalink] [raw]
Subject: Re: [PATCH v2] Bluetooth: hci_bcm: Correct context of IRQ polarity message

Hi Ian,

> As the overwriting of IRQ polarity to active low occurs during the driver probe using 'bt_dev_warn' to display the warning results in '(null)' being displayed for the device. This patch uses 'dev_warn' to correctly display the device in the warning instead.
>
> Signed-off-by: ianwmorrison <[email protected]>
> ---
> v2: Uses 'dev_warn' (Suggested-by: Marcel Holtmann <[email protected]>)
>
> Testing shows the following improvements using an extract from dmesg of the affected message:
>
> Without patch:
> [ 5.512175] Bluetooth: (null): MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v1 (superseded) patch:
> [ 5.592238] Bluetooth: MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v2 patch (with a kernel excluding serdev ACPI support patches):
> [ 6.112265] hci_bcm BCM2EA4:00: MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v2 patch (with a kernel including serdev ACPI support patches):
> [ 6.367829] hci_uart_bcm serial1-0: MINIX Z83-4: Overwriting IRQ polarity to active low
> ---
> drivers/bluetooth/hci_bcm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel


2017-10-09 13:52:11

by Hans de Goede

[permalink] [raw]
Subject: Re: [PATCH v2] Bluetooth: hci_bcm: Correct context of IRQ polarity message

Hi,

On 07-10-17 08:16, Ian W MORRISON wrote:
> As the overwriting of IRQ polarity to active low occurs during the driver probe using 'bt_dev_warn' to display the warning results in '(null)' being displayed for the device. This patch uses 'dev_warn' to correctly display the device in the warning instead.
>
> Signed-off-by: ianwmorrison <[email protected]>
> ---
> v2: Uses 'dev_warn' (Suggested-by: Marcel Holtmann <[email protected]>)
>
> Testing shows the following improvements using an extract from dmesg of the affected message:
>
> Without patch:
> [ 5.512175] Bluetooth: (null): MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v1 (superseded) patch:
> [ 5.592238] Bluetooth: MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v2 patch (with a kernel excluding serdev ACPI support patches):
> [ 6.112265] hci_bcm BCM2EA4:00: MINIX Z83-4: Overwriting IRQ polarity to active low
>
> v2 patch (with a kernel including serdev ACPI support patches):
> [ 6.367829] hci_uart_bcm serial1-0: MINIX Z83-4: Overwriting IRQ polarity to active low
> ---

Patch looks good to me:

Reviewed-by: Hans de Goede <[email protected]>

Regards,

Hans



> drivers/bluetooth/hci_bcm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
> index 77326eeb6146..16c2eaaaf72b 100644
> --- a/drivers/bluetooth/hci_bcm.c
> +++ b/drivers/bluetooth/hci_bcm.c
> @@ -839,7 +839,7 @@ static int bcm_acpi_probe(struct bcm_device *dev)
>
> dmi_id = dmi_first_match(bcm_active_low_irq_dmi_table);
> if (dmi_id) {
> - bt_dev_warn(dev, "%s: Overwriting IRQ polarity to active low",
> + dev_warn(dev->dev, "%s: Overwriting IRQ polarity to active low",
> dmi_id->ident);
> dev->irq_active_low = true;
> }
>