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[media] Technisat SkyStar USB HD,(DVB-S/S2) too much URBs for arm devices
authorChristian Löpke <loepke@edfritsch.de>
Sat, 18 Jul 2015 07:15:01 +0000 (04:15 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 11 Aug 2015 17:43:23 +0000 (14:43 -0300)
Using 8 URBs results in a consecutive buffer allocation of too much
memory for some arm devices.
As we use isochronuous transfers the number of URBs can be reduced
without risking data-loss.

Signed-off-by: Christian Loepke <loepke@edfritsch.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/usb/dvb-usb/technisat-usb2.c patch | blob | blame | history

diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c
index 03f334d3a8f49b7515e18a8195f566431627a602..6c3c477229551642fc762d753337a115c3d64b10 100644 (file)
--- a/drivers/media/usb/dvb-usb/technisat-usb2.c
+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c
@@ -707,7 +707,7 @@ static struct dvb_usb_device_properties technisat_usb2_devices = {
 
                        .stream = {
                                .type = USB_ISOC,
-                               .count = 8,
+                               .count = 4,
                                .endpoint = 0x2,
                                .u = {
                                        .isoc = {