On 27.06.2024 12:48 PM, Sudeepgoud Patil wrote:
> From: Chris Lew <quic_clew@xxxxxxxxxxx>
>
> When using /proc/interrupts to collect statistics on smp2p interrupt
> counts, it is hard to distinguish the different instances of smp2p from
> each other. For example to debug a processor boot issue, the ready and
> handover interrupts are checked for sanity to ensure the firmware
> reached a specific initialization stage.
>
> Remove "smp2p" string from the irq request so that the irq will default
> to the device name. Add an .irq_print_chip() callback to print the irq
> chip name as the device name. These two changes allow for a unique name
> to be used in /proc/interrupts as shown below.
>
> / # cat /proc/interrupts | grep smp2p
> 18: ... ipcc 196610 Edge smp2p-adsp
> 20: ... ipcc 131074 Edge smp2p-modem
> 170: ... smp2p-modem 1 Edge q6v5 ready
> 178: ... smp2p-adsp 1 Edge q6v5 ready
>
> Signed-off-by: Chris Lew <quic_clew@xxxxxxxxxxx>
> ---
> drivers/soc/qcom/smp2p.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
> index a21241cbeec7..696c2a8387d0 100644
> --- a/drivers/soc/qcom/smp2p.c
> +++ b/drivers/soc/qcom/smp2p.c
> @@ -16,6 +16,7 @@
> #include <linux/platform_device.h>
> #include <linux/pm_wakeirq.h>
> #include <linux/regmap.h>
> +#include <linux/seq_file.h>
> #include <linux/soc/qcom/smem.h>
> #include <linux/soc/qcom/smem_state.h>
> #include <linux/spinlock.h>
> @@ -353,11 +354,19 @@ static int smp2p_set_irq_type(struct irq_data *irqd, unsigned int type)
> return 0;
> }
>
> +static void smp2p_irq_print_chip(struct irq_data *irqd, struct seq_file *p)
> +{
> + struct smp2p_entry *entry = irq_data_get_irq_chip_data(irqd);
> +
> + seq_printf(p, " %8s", dev_name(entry->smp2p->dev));
Not sure if the number is necessary but as you wish
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Konrad
