HID: remove rdesc quirk support

Remove support for both dynamic and static report descriptor
quirks. There is no longer rdesc code which it would support,
so it's useless.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

3 files changed, 0 insertions, 62 deletions

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 78553b457a2b..e900d597bc2d 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -61,12 +61,6 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying "
                 " quirks=vendorID:productID:quirks"
                 " where vendorID, productID, and quirks are all in"
                 " 0x-prefixed hex");
-static char *rdesc_quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL };
-module_param_array_named(rdesc_quirks, rdesc_quirks_param, charp, NULL, 0444);
-MODULE_PARM_DESC(rdesc_quirks, "Add/modify report descriptor quirks by specifying "
-                " rdesc_quirks=vendorID:productID:rdesc_quirks"
-                " where vendorID, productID, and rdesc_quirks are all in"
-                " 0x-prefixed hex");
 /*
  * Input submission and I/O error handler.
  */
@@ -826,10 +820,6 @@ static int usbhid_parse(struct hid_device *hid)
                 goto err;
         }
 
-        usbhid_fixup_report_descriptor(le16_to_cpu(dev->descriptor.idVendor),
-                        le16_to_cpu(dev->descriptor.idProduct), rdesc,
-                        rsize, rdesc_quirks_param);
-
         dbg_hid("report descriptor (size %u, read %d) = ", rsize, n);
         for (n = 0; n < rsize; n++)
                 dbg_hid_line(" %02x", (unsigned char) rdesc[n]);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index d57a37997f9a..f66d2e43b5d5 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -67,15 +67,6 @@ static const struct hid_blacklist {
         { 0, 0 }
 };
 
-/* Quirks for devices which require report descriptor fixup go here */
-static const struct hid_rdesc_blacklist {
-        __u16 idVendor;
-        __u16 idProduct;
-        __u32 quirks;
-} hid_rdesc_blacklist[] = {
-        { 0, 0 }
-};
-
 /* Dynamic HID quirks list - specified at runtime */
 struct quirks_list_struct {
         struct hid_blacklist hid_bl_item;
@@ -303,45 +294,3 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
 }
 
 EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);
-
-static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize)
-{
-}
-
-/**
- * usbhid_fixup_report_descriptor: check if report descriptor needs fixup
- *
- * Description:
- *      Walks the hid_rdesc_blacklist[] array and checks whether the device
- *      is known to have broken report descriptor that needs to be fixed up
- *      prior to entering the HID parser
- *
- * Returns: nothing
- */
-void usbhid_fixup_report_descriptor(const u16 idVendor, const u16 idProduct,
-                                    char *rdesc, unsigned rsize, char **quirks_param)
-{
-        int n, m;
-        u16 paramVendor, paramProduct;
-        u32 quirks;
-
-        /* static rdesc quirk entries */
-        for (n = 0; hid_rdesc_blacklist[n].idVendor; n++)
-                if (hid_rdesc_blacklist[n].idVendor == idVendor &&
-                                hid_rdesc_blacklist[n].idProduct == idProduct)
-                        __usbhid_fixup_report_descriptor(hid_rdesc_blacklist[n].quirks,
-                                        rdesc, rsize);
-
-        /* runtime rdesc quirk entries handling */
-        for (n = 0; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
-                m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
-                                &paramVendor, &paramProduct, &quirks);
-
-                if (m != 3)
-                        printk(KERN_WARNING
-                                "Could not parse HID quirk module param %s\n",
-                                quirks_param[n]);
-                else if (paramVendor == idVendor && paramProduct == idProduct)
-                        __usbhid_fixup_report_descriptor(quirks, rdesc, rsize);
-        }
-}
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 0de5fe8894d9..9eac330a1dfa 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -734,7 +734,6 @@ extern void hid_generic_exit(void);
 u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
 int usbhid_quirks_init(char **quirks_param);
 void usbhid_quirks_exit(void);
-void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char **);
 
 #ifdef CONFIG_HID_FF
 int hid_ff_init(struct hid_device *hid);