usb/gadget: f_midi: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200817090209.26351-5-allen.cryptic@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 46af0aa..85cb157 100644 (file)
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -698,9 +698,9 @@ drop_out:
        f_midi_drop_out_substreams(midi);
 }
 
-static void f_midi_in_tasklet(unsigned long data)
+static void f_midi_in_tasklet(struct tasklet_struct *t)
 {
-       struct f_midi *midi = (struct f_midi *) data;
+       struct f_midi *midi = from_tasklet(midi, t, tasklet);
        f_midi_transmit(midi);
 }
 
@@ -875,7 +875,7 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f)
        int status, n, jack = 1, i = 0, endpoint_descriptor_index = 0;
 
        midi->gadget = cdev->gadget;
-       tasklet_init(&midi->tasklet, f_midi_in_tasklet, (unsigned long) midi);
+       tasklet_setup(&midi->tasklet, f_midi_in_tasklet);
        status = f_midi_register_card(midi);
        if (status < 0)
                goto fail_register;