greybus: Remove usage of the deprecated ida_simple_xx() API
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sun, 14 Jan 2024 09:57:02 +0000 (10:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Mar 2024 21:41:38 +0000 (21:41 +0000)
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range()/ida_alloc_max() is inclusive. So a -1 has been added when
needed.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/26425379d3eb9ba1b9af44468576ee20c77eb248.1705226208.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/greybus/es2.c
drivers/greybus/hd.c
drivers/greybus/interface.c

index e89cca015095552ab04d98ccf144f0835a152aa1..1ee78d0d90b4d46b78d5876917c45a21966e9aff 100644 (file)
@@ -513,16 +513,16 @@ static int es2_cport_allocate(struct gb_host_device *hd, int cport_id,
 
        if (cport_id < 0) {
                ida_start = 0;
-               ida_end = hd->num_cports;
+               ida_end = hd->num_cports - 1;
        } else if (cport_id < hd->num_cports) {
                ida_start = cport_id;
-               ida_end = cport_id + 1;
+               ida_end = cport_id;
        } else {
                dev_err(&hd->dev, "cport %d not available\n", cport_id);
                return -EINVAL;
        }
 
-       return ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
+       return ida_alloc_range(id_map, ida_start, ida_end, GFP_KERNEL);
 }
 
 static void es2_cport_release(struct gb_host_device *hd, u16 cport_id)
@@ -535,7 +535,7 @@ static void es2_cport_release(struct gb_host_device *hd, u16 cport_id)
                return;
        }
 
-       ida_simple_remove(&hd->cport_id_map, cport_id);
+       ida_free(&hd->cport_id_map, cport_id);
 }
 
 static int cport_enable(struct gb_host_device *hd, u16 cport_id,
index e2f3496bddc3de2339008e13a02fb956e8bc3abf..5de98d9177f151103aecb17ce97f421838c3c3f7 100644 (file)
@@ -50,7 +50,7 @@ int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id)
        struct ida *id_map = &hd->cport_id_map;
        int ret;
 
-       ret = ida_simple_get(id_map, cport_id, cport_id + 1, GFP_KERNEL);
+       ret = ida_alloc_range(id_map, cport_id, cport_id, GFP_KERNEL);
        if (ret < 0) {
                dev_err(&hd->dev, "failed to reserve cport %u\n", cport_id);
                return ret;
@@ -64,7 +64,7 @@ void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id)
 {
        struct ida *id_map = &hd->cport_id_map;
 
-       ida_simple_remove(id_map, cport_id);
+       ida_free(id_map, cport_id);
 }
 EXPORT_SYMBOL_GPL(gb_hd_cport_release_reserved);
 
@@ -80,16 +80,16 @@ int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,
 
        if (cport_id < 0) {
                ida_start = 0;
-               ida_end = hd->num_cports;
+               ida_end = hd->num_cports - 1;
        } else if (cport_id < hd->num_cports) {
                ida_start = cport_id;
-               ida_end = cport_id + 1;
+               ida_end = cport_id;
        } else {
                dev_err(&hd->dev, "cport %d not available\n", cport_id);
                return -EINVAL;
        }
 
-       return ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
+       return ida_alloc_range(id_map, ida_start, ida_end, GFP_KERNEL);
 }
 
 /* Locking: Caller guarantees serialisation */
@@ -100,7 +100,7 @@ void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id)
                return;
        }
 
-       ida_simple_remove(&hd->cport_id_map, cport_id);
+       ida_free(&hd->cport_id_map, cport_id);
 }
 
 static void gb_hd_release(struct device *dev)
@@ -111,7 +111,7 @@ static void gb_hd_release(struct device *dev)
 
        if (hd->svc)
                gb_svc_put(hd->svc);
-       ida_simple_remove(&gb_hd_bus_id_map, hd->bus_id);
+       ida_free(&gb_hd_bus_id_map, hd->bus_id);
        ida_destroy(&hd->cport_id_map);
        kfree(hd);
 }
@@ -162,7 +162,7 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
        if (!hd)
                return ERR_PTR(-ENOMEM);
 
-       ret = ida_simple_get(&gb_hd_bus_id_map, 1, 0, GFP_KERNEL);
+       ret = ida_alloc_min(&gb_hd_bus_id_map, 1, GFP_KERNEL);
        if (ret < 0) {
                kfree(hd);
                return ERR_PTR(ret);
index a88dc701289c932bc8bea0c7d4a274b1b9385a3f..fd58a86b0888dba7772400fd67a9d200a5071e2c 100644 (file)
@@ -131,9 +131,8 @@ static int gb_interface_route_create(struct gb_interface *intf)
        int ret;
 
        /* Allocate an interface device id. */
-       ret = ida_simple_get(&svc->device_id_map,
-                            GB_SVC_DEVICE_ID_MIN, GB_SVC_DEVICE_ID_MAX + 1,
-                            GFP_KERNEL);
+       ret = ida_alloc_range(&svc->device_id_map, GB_SVC_DEVICE_ID_MIN,
+                             GB_SVC_DEVICE_ID_MAX, GFP_KERNEL);
        if (ret < 0) {
                dev_err(&intf->dev, "failed to allocate device id: %d\n", ret);
                return ret;
@@ -165,7 +164,7 @@ err_svc_id_free:
         * XXX anymore.
         */
 err_ida_remove:
-       ida_simple_remove(&svc->device_id_map, device_id);
+       ida_free(&svc->device_id_map, device_id);
 
        return ret;
 }
@@ -178,7 +177,7 @@ static void gb_interface_route_destroy(struct gb_interface *intf)
                return;
 
        gb_svc_route_destroy(svc, svc->ap_intf_id, intf->interface_id);
-       ida_simple_remove(&svc->device_id_map, intf->device_id);
+       ida_free(&svc->device_id_map, intf->device_id);
        intf->device_id = GB_INTERFACE_DEVICE_ID_BAD;
 }