USB: typec: tps6598x: Add device data to of_device_id
authorAbdel Alkuor <abdelalkuor@geotab.com>
Tue, 3 Oct 2023 15:58:38 +0000 (11:58 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 10 Oct 2023 07:02:07 +0000 (09:02 +0200)
Part of tps6598x refactoring, we need to move the following functions
to device data as tps25750 has different implementation than tps6598x
and cd321x:
- interrupt handler
- port registration
- power status trace
- status trace

Signed-off-by: Abdel Alkuor <abdelalkuor@geotab.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231003155842.57313-6-alkuor@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/typec/tipd/core.c

index 56e4997c484ab5da1e4c4f05f22f083282e6d68b..9c973ffb4c4980dee66f92537ee0503226584f0b 100644 (file)
@@ -82,6 +82,15 @@ static const char *const modes[] = {
 /* Unrecognized commands will be replaced with "!CMD" */
 #define INVALID_CMD(_cmd_)             (_cmd_ == 0x444d4321)
 
+struct tps6598x;
+
+struct tipd_data {
+       irq_handler_t irq_handler;
+       int (*register_port)(struct tps6598x *tps, struct fwnode_handle *node);
+       void (*trace_power_status)(u16 status);
+       void (*trace_status)(u32 status);
+};
+
 struct tps6598x {
        struct device *dev;
        struct regmap *regmap;
@@ -101,7 +110,8 @@ struct tps6598x {
        int wakeup;
        u16 pwr_status;
        struct delayed_work     wq_poll;
-       irq_handler_t irq_handler;
+
+       const struct tipd_data *data;
 };
 
 static enum power_supply_property tps6598x_psy_props[] = {
@@ -432,7 +442,9 @@ static bool tps6598x_read_status(struct tps6598x *tps, u32 *status)
                dev_err(tps->dev, "%s: failed to read status\n", __func__);
                return false;
        }
-       trace_tps6598x_status(*status);
+
+       if (tps->data->trace_status)
+               tps->data->trace_status(*status);
 
        return true;
 }
@@ -463,7 +475,9 @@ static bool tps6598x_read_power_status(struct tps6598x *tps)
                return false;
        }
        tps->pwr_status = pwr_status;
-       trace_tps6598x_power_status(pwr_status);
+
+       if (tps->data->trace_power_status)
+               tps->data->trace_power_status(pwr_status);
 
        return true;
 }
@@ -581,7 +595,7 @@ static void tps6598x_poll_work(struct work_struct *work)
        struct tps6598x *tps = container_of(to_delayed_work(work),
                                            struct tps6598x, wq_poll);
 
-       tps->irq_handler(0, tps);
+       tps->data->irq_handler(0, tps);
        queue_delayed_work(system_power_efficient_wq,
                           &tps->wq_poll, msecs_to_jiffies(POLL_INTERVAL));
 }
@@ -765,7 +779,6 @@ tps6598x_register_port(struct tps6598x *tps, struct fwnode_handle *fwnode)
 
 static int tps6598x_probe(struct i2c_client *client)
 {
-       irq_handler_t irq_handler = tps6598x_interrupt;
        struct device_node *np = client->dev.of_node;
        struct tps6598x *tps;
        struct fwnode_handle *fwnode;
@@ -807,7 +820,6 @@ static int tps6598x_probe(struct i2c_client *client)
                        APPLE_CD_REG_INT_DATA_STATUS_UPDATE |
                        APPLE_CD_REG_INT_PLUG_EVENT;
 
-               irq_handler = cd321x_interrupt;
        } else {
                /* Enable power status, data status and plug event interrupts */
                mask1 = TPS_REG_INT_POWER_STATUS_UPDATE |
@@ -815,7 +827,10 @@ static int tps6598x_probe(struct i2c_client *client)
                        TPS_REG_INT_PLUG_EVENT;
        }
 
-       tps->irq_handler = irq_handler;
+       tps->data = device_get_match_data(tps->dev);
+       if (!tps->data)
+               return -EINVAL;
+
        /* Make sure the controller has application firmware running */
        ret = tps6598x_check_mode(tps);
        if (ret)
@@ -825,10 +840,10 @@ static int tps6598x_probe(struct i2c_client *client)
        if (ret)
                return ret;
 
-       ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
-       if (ret < 0)
+       if (!tps6598x_read_status(tps, &status)) {
+               ret = -ENODEV;
                goto err_clear_mask;
-       trace_tps6598x_status(status);
+       }
 
        /*
         * This fwnode has a "compatible" property, but is never populated as a
@@ -851,7 +866,7 @@ static int tps6598x_probe(struct i2c_client *client)
        if (ret)
                goto err_role_put;
 
-       ret = tps6598x_register_port(tps, fwnode);
+       ret = tps->data->register_port(tps, fwnode);
        if (ret)
                goto err_role_put;
 
@@ -868,7 +883,7 @@ static int tps6598x_probe(struct i2c_client *client)
 
        if (client->irq) {
                ret = devm_request_threaded_irq(&client->dev, client->irq, NULL,
-                                               irq_handler,
+                                               tps->data->irq_handler,
                                                IRQF_SHARED | IRQF_ONESHOT,
                                                dev_name(&client->dev), tps);
        } else {
@@ -954,9 +969,23 @@ static const struct dev_pm_ops tps6598x_pm_ops = {
        SET_SYSTEM_SLEEP_PM_OPS(tps6598x_suspend, tps6598x_resume)
 };
 
+static const struct tipd_data cd321x_data = {
+       .irq_handler = cd321x_interrupt,
+       .register_port = tps6598x_register_port,
+       .trace_power_status = trace_tps6598x_power_status,
+       .trace_status = trace_tps6598x_status,
+};
+
+static const struct tipd_data tps6598x_data = {
+       .irq_handler = tps6598x_interrupt,
+       .register_port = tps6598x_register_port,
+       .trace_power_status = trace_tps6598x_power_status,
+       .trace_status = trace_tps6598x_status,
+};
+
 static const struct of_device_id tps6598x_of_match[] = {
-       { .compatible = "ti,tps6598x", },
-       { .compatible = "apple,cd321x", },
+       { .compatible = "ti,tps6598x", &tps6598x_data},
+       { .compatible = "apple,cd321x", &cd321x_data},
        {}
 };
 MODULE_DEVICE_TABLE(of, tps6598x_of_match);