On Thu, Feb 13, 2025 at 09:37:54AM +0000, André Draszik wrote:
> This changes the output of /proc/interrupts from the non-descriptive:
> 1-0025
> (or similar) to a more descriptive:
> 1-0025-max33359
>
> This makes it easier to find the device, in particular if there are
> multiple i2c devices, as one doesn't have to remember (or lookup) where
> it is located.
>
> Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
> ---
> drivers/usb/typec/tcpm/tcpci_maxim_core.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpci_maxim_core.c b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
> index fd1b80593367..46fc626589db 100644
> --- a/drivers/usb/typec/tcpm/tcpci_maxim_core.c
> +++ b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
> @@ -420,12 +420,14 @@ static irqreturn_t max_tcpci_isr(int irq, void *dev_id)
> return IRQ_WAKE_THREAD;
> }
>
> -static int max_tcpci_init_alert(struct max_tcpci_chip *chip, struct i2c_client *client)
> +static int max_tcpci_init_alert(struct max_tcpci_chip *chip,
> + struct i2c_client *client,
> + const char *name)
> {
> int ret;
>
> ret = devm_request_threaded_irq(chip->dev, client->irq, max_tcpci_isr, max_tcpci_irq,
> - (IRQF_TRIGGER_LOW | IRQF_ONESHOT), dev_name(chip->dev),
> + (IRQF_TRIGGER_LOW | IRQF_ONESHOT), name,
> chip);
>
> if (ret < 0)
> @@ -485,6 +487,7 @@ static int max_tcpci_probe(struct i2c_client *client)
> int ret;
> struct max_tcpci_chip *chip;
> u8 power_status;
> + const char *name;
>
> chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
> if (!chip)
> @@ -531,7 +534,11 @@ static int max_tcpci_probe(struct i2c_client *client)
>
> chip->port = tcpci_get_tcpm_port(chip->tcpci);
>
> - ret = max_tcpci_init_alert(chip, client);
> + name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%s",
> + dev_name(&client->dev), client->name);
> + if (!name)
> + return -ENOMEM;
Please always test your code before sending it out. You just leaked a
bunch of stuff here :(
thanks,
greg k-h
