linux-kernel - Re: [PATCH v10 9/9] USB: typec: tps6598x: Add status trace for tps25750

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Message-ID: <ZSToVhQHbPrlSeN3@kuha.fi.intel.com>
Date:   Tue, 10 Oct 2023 08:59:50 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Abdel Alkuor <alkuor@...il.com>
Cc:     krzysztof.kozlowski+dt@...aro.org, bryan.odonoghue@...aro.org,
        gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, ryan.eleceng@...il.com,
        robh+dt@...nel.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org, Abdel Alkuor <abdelalkuor@...tab.com>
Subject: Re: [PATCH v10 9/9] USB: typec: tps6598x: Add status trace for
 tps25750

On Tue, Oct 03, 2023 at 11:58:42AM -0400, Abdel Alkuor wrote:
> From: Abdel Alkuor <abdelalkuor@...tab.com>
> 
> tps25750 status register is a subset of tps6598x status register, hence
> a trace for tps25750 status register is added.
> 
> Signed-off-by: Abdel Alkuor <abdelalkuor@...tab.com>

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
> Changes in v10:
>   - Move 0014-USB-typec-tps6598x-Add-status-trace-for-tps25750.patch to patch 9
>   - Remove status trace prototype from device data
> Changes in v9:
>   - No changes
> Changes in v8:
>   - No changes
> Changes in v7:
>   - Add driver name to commit subject
> Changes in v6:
>   - No changes
> Changes in v5:
>   - Incorporating tps25750 into tps6598x driver
>  drivers/usb/typec/tipd/core.c  |  1 +
>  drivers/usb/typec/tipd/trace.h | 37 ++++++++++++++++++++++++++++++++++
>  2 files changed, 38 insertions(+)
> 
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 7bdf1ef5dd1a..0e867f531d34 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -1412,6 +1412,7 @@ static const struct tipd_data tps25750_data = {
>  	.irq_handler = tps25750_interrupt,
>  	.register_port = tps25750_register_port,
>  	.trace_power_status = trace_tps25750_power_status,
> +	.trace_status = trace_tps25750_status,
>  	.apply_patch = tps25750_apply_patch,
>  };
>  
> diff --git a/drivers/usb/typec/tipd/trace.h b/drivers/usb/typec/tipd/trace.h
> index 739b0a2a867d..0669cca12ea1 100644
> --- a/drivers/usb/typec/tipd/trace.h
> +++ b/drivers/usb/typec/tipd/trace.h
> @@ -91,6 +91,14 @@
>  						      TPS_STATUS_USB_HOST_PRESENT_MASK | \
>  						      TPS_STATUS_LEGACY_MASK))
>  
> +#define TPS25750_STATUS_FLAGS_MASK (GENMASK(31, 0) ^ (TPS_STATUS_CONN_STATE_MASK | \
> +						      GENMASK(19, 7) | \
> +						      TPS_STATUS_VBUS_STATUS_MASK | \
> +						      TPS_STATUS_USB_HOST_PRESENT_MASK | \
> +						      TPS_STATUS_LEGACY_MASK | \
> +						      BIT(26) | \
> +						      GENMASK(31, 28)))
> +
>  #define show_status_conn_state(status) \
>  	__print_symbolic(TPS_STATUS_CONN_STATE((status)), \
>  		{ TPS_STATUS_CONN_STATE_CONN_WITH_R_A,	"conn-Ra"  }, \
> @@ -148,6 +156,14 @@
>  		      { TPS_STATUS_HIGH_VOLAGE_WARNING,	"HIGH_VOLAGE_WARNING" }, \
>  		      { TPS_STATUS_HIGH_LOW_VOLTAGE_WARNING, "HIGH_LOW_VOLTAGE_WARNING" })
>  
> +#define show_tps25750_status_flags(flags) \
> +	__print_flags((flags & TPS25750_STATUS_FLAGS_MASK), "|", \
> +		      { TPS_STATUS_PLUG_PRESENT,	"PLUG_PRESENT" }, \
> +		      { TPS_STATUS_PLUG_UPSIDE_DOWN,	"UPSIDE_DOWN" }, \
> +		      { TPS_STATUS_PORTROLE,		"PORTROLE" }, \
> +		      { TPS_STATUS_DATAROLE,		"DATAROLE" }, \
> +		      { TPS_STATUS_BIST,		"BIST" })
> +
>  #define show_power_status_source_sink(power_status) \
>  	__print_symbolic(TPS_POWER_STATUS_SOURCESINK(power_status), \
>  		{ 1, "sink" }, \
> @@ -292,6 +308,27 @@ TRACE_EVENT(tps6598x_status,
>  		    )
>  );
>  
> +TRACE_EVENT(tps25750_status,
> +	    TP_PROTO(u32 status),
> +	    TP_ARGS(status),
> +
> +	    TP_STRUCT__entry(
> +			     __field(u32, status)
> +			     ),
> +
> +	    TP_fast_assign(
> +			   __entry->status = status;
> +			   ),
> +
> +	    TP_printk("conn: %s, vbus: %s, usb-host: %s, legacy: %s, flags: %s",
> +		      show_status_conn_state(__entry->status),
> +		      show_status_vbus_status(__entry->status),
> +		      show_status_usb_host_present(__entry->status),
> +		      show_status_legacy(__entry->status),
> +		      show_tps25750_status_flags(__entry->status)
> +		    )
> +);
> +
>  TRACE_EVENT(tps6598x_power_status,
>  	    TP_PROTO(u16 power_status),
>  	    TP_ARGS(power_status),
> -- 
> 2.34.1

-- 
heikki