diff options
| author |   Malcolm Priestley <tvboxspy@gmail.com> | 2018-11-29 17:29:51 -0500 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-05 03:23:31 -0500 |
| commit | 8824e5018c1944ef68d1a4a566ac245290c99da8 (patch) | |
| tree | dd255f3660d0ce5487a57fcb36129451361b4bcc /drivers/media/usb/dvb-usb-v2/lmedm04.c | |
| parent | media: dib7000p: Remove dead code (diff) | |
| download | linux-dev-8824e5018c1944ef68d1a4a566ac245290c99da8.tar.xz linux-dev-8824e5018c1944ef68d1a4a566ac245290c99da8.zip | |
media: lmedm04: Move usb buffer to lme2510_state.
lme2510_state exists for the entire duration of driver.
Move usb_buffer to lme2510_state removing the need for
lme2510_exit_int for removing the buffer.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/lmedm04.c | 35 |
1 files changed, 3 insertions, 32 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index f109c04f05ae..962cee02b19c 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -136,7 +136,7 @@ struct lme2510_state { u8 pid_off; void *buffer; struct urb *lme_urb; - void *usb_buffer; + u8 usb_buffer[64]; /* Frontend original calls */ int (*fe_read_status)(struct dvb_frontend *, enum fe_status *); int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *); @@ -169,18 +169,9 @@ static int lme2510_usb_talk(struct dvb_usb_device *d, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct lme2510_state *st = d->priv; - u8 *buff; + u8 *buff = st->usb_buffer; int ret = 0; - if (st->usb_buffer == NULL) { - st->usb_buffer = kmalloc(64, GFP_KERNEL); - if (st->usb_buffer == NULL) { - info("MEM Error no memory"); - return -ENOMEM; - } - } - buff = st->usb_buffer; - ret = mutex_lock_interruptible(&d->usb_mutex); if (ret < 0) @@ -1245,41 +1236,21 @@ static int lme2510_get_rc_config(struct dvb_usb_device *d, return 0; } -static void *lme2510_exit_int(struct dvb_usb_device *d) +static void lme2510_exit(struct dvb_usb_device *d) { struct lme2510_state *st = d->priv; struct dvb_usb_adapter *adap = &d->adapter[0]; - void *buffer = NULL; if (adap != NULL) { lme2510_kill_urb(&adap->stream); } - if (st->usb_buffer != NULL) { - st->i2c_talk_onoff = 1; - st->signal_level = 0; - st->signal_sn = 0; - buffer = st->usb_buffer; - } - if (st->lme_urb != NULL) { usb_kill_urb(st->lme_urb); usb_free_coherent(d->udev, 128, st->buffer, st->lme_urb->transfer_dma); info("Interrupt Service Stopped"); } - - return buffer; -} - -static void lme2510_exit(struct dvb_usb_device *d) -{ - void *usb_buffer; - - if (d != NULL) { - usb_buffer = lme2510_exit_int(d); - kfree(usb_buffer); - } } static struct dvb_usb_device_properties lme2510_props = { |