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Subject: media: dvb-usb: gp8psk: use an enum for the device number
Author:  Mauro Carvalho Chehab <[email protected]>
Date:    Mon Mar 28 22:41:26 2022 +0200

The device number is currently a value that needs to be the same
on two separate tables, but the code doesn't actually enforce it,
leading to errors as boards get added or removed.

Fix it by using an enum.

Link: 
https://lore.kernel.org/linux-media/0d32148747df677f0c930605389c12b190c09bdf.1648499509.git.mche...@kernel.org
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/usb/dvb-usb/gp8psk.c | 36 +++++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 13 deletions(-)

---

diff --git a/drivers/media/usb/dvb-usb/gp8psk.c 
b/drivers/media/usb/dvb-usb/gp8psk.c
index b4f661bb5648..b2b27a86dfe5 100644
--- a/drivers/media/usb/dvb-usb/gp8psk.c
+++ b/drivers/media/usb/dvb-usb/gp8psk.c
@@ -310,15 +310,25 @@ static int gp8psk_usb_probe(struct usb_interface *intf,
        return ret;
 }
 
-static struct usb_device_id gp8psk_usb_table [] = {
-           { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_COLD) },
-           { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_WARM) },
-           { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_2) },
-           { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_1) },
-           { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_2) },
-/*         { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_CW3K) }, */
-           { 0 },
+enum {
+       GENPIX_8PSK_REV_1_COLD,
+       GENPIX_8PSK_REV_1_WARM,
+       GENPIX_8PSK_REV_2,
+       GENPIX_SKYWALKER_1,
+       GENPIX_SKYWALKER_2,
+       GENPIX_SKYWALKER_CW3K,
 };
+
+static struct usb_device_id gp8psk_usb_table[] = {
+       DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_1_COLD),
+       DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_1_WARM),
+       DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_2),
+       DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_1),
+       DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_2),
+       DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_CW3K),
+       { }
+};
+
 MODULE_DEVICE_TABLE(usb, gp8psk_usb_table);
 
 static struct dvb_usb_device_properties gp8psk_properties = {
@@ -355,20 +365,20 @@ static struct dvb_usb_device_properties gp8psk_properties 
= {
        .num_device_descs = 4,
        .devices = {
                { .name = "Genpix 8PSK-to-USB2 Rev.1 DVB-S receiver",
-                 .cold_ids = { &gp8psk_usb_table[0], NULL },
-                 .warm_ids = { &gp8psk_usb_table[1], NULL },
+                 .cold_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_1_COLD], NULL 
},
+                 .warm_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_1_WARM], NULL 
},
                },
                { .name = "Genpix 8PSK-to-USB2 Rev.2 DVB-S receiver",
                  .cold_ids = { NULL },
-                 .warm_ids = { &gp8psk_usb_table[2], NULL },
+                 .warm_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_2], NULL },
                },
                { .name = "Genpix SkyWalker-1 DVB-S receiver",
                  .cold_ids = { NULL },
-                 .warm_ids = { &gp8psk_usb_table[3], NULL },
+                 .warm_ids = { &gp8psk_usb_table[GENPIX_SKYWALKER_1], NULL },
                },
                { .name = "Genpix SkyWalker-2 DVB-S receiver",
                  .cold_ids = { NULL },
-                 .warm_ids = { &gp8psk_usb_table[4], NULL },
+                 .warm_ids = { &gp8psk_usb_table[GENPIX_SKYWALKER_2], NULL },
                },
                { NULL },
        }

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