constify quirks table

Not that big now, but quirks are likely to grow in the feature and there is
no reason to keep them writable.

OK and tested by mglocker

diff --git a/sys/dev/usb/uvideo.c b/sys/dev/usb/uvideo.c
index de4784b..7769034 100644 (file)
--- a/sys/dev/usb/uvideo.c
+++ b/sys/dev/usb/uvideo.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvideo.c,v 1.218 2022/08/15 01:35:07 jsg Exp $ */
+/*     $OpenBSD: uvideo.c,v 1.219 2022/10/21 18:29:37 kn Exp $ */
 
 /*
  * Copyright (c) 2008 Robert Nagy <robert@openbsd.org>
@@ -106,7 +106,7 @@ struct uvideo_softc {
        uint8_t                                 *sc_uplayer_fbuffer;
        void                                     (*sc_uplayer_intr)(void *);
 
-       struct uvideo_devs                      *sc_quirk;
+       const struct uvideo_devs                *sc_quirk;
        usbd_status                             (*sc_decode_stream_header)
                                                    (struct uvideo_softc *,
                                                    uint8_t *, int);
@@ -303,7 +303,7 @@ const struct video_hw_if uvideo_hw_if = {
 #define UVIDEO_FLAG_REATTACH                   0x2
 #define UVIDEO_FLAG_VENDOR_CLASS               0x4
 #define UVIDEO_FLAG_NOATTACH                   0x8
-struct uvideo_devs {
+const struct uvideo_devs {
        struct usb_devno         uv_dev;
        char                    *ucode_name;
        usbd_status              (*ucode_loader)(struct uvideo_softc *);
@@ -386,7 +386,7 @@ struct uvideo_devs {
        },
 };
 #define uvideo_lookup(v, p) \
-       ((struct uvideo_devs *)usb_lookup(uvideo_devs, v, p))
+       ((const struct uvideo_devs *)usb_lookup(uvideo_devs, v, p))
 
 int
 uvideo_open(void *addr, int flags, int *size, uint8_t *buffer,
@@ -440,7 +440,7 @@ uvideo_match(struct device *parent, void *match, void *aux)
 {
        struct usb_attach_arg *uaa = aux;
        usb_interface_descriptor_t *id;
-       struct uvideo_devs *quirk;
+       const struct uvideo_devs *quirk;
 
        if (uaa->iface == NULL)
                return (UMATCH_NONE);