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Reported as a Kaffeine bug: https://bugs.kde.org/show_bug.cgi?id=375811 The USB control messages require DMA to work. We cannot pass a stack-allocated buffer, as it is not warranted that the stack would be into a DMA enabled area. On Kernel 4.9, the default is to not accept DMA on stack anymore on x86 architecture. On other architectures, this has been a requirement since Kernel 2.2. So, after this patch, this driver should likely work fine on all archs. Tested with USB ID 2040:5510: Hauppauge Windham Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> |
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| .. | ||
| cec | ||
| common | ||
| dvb-core | ||
| dvb-frontends | ||
| firewire | ||
| i2c | ||
| mmc | ||
| pci | ||
| platform | ||
| radio | ||
| rc | ||
| spi | ||
| tuners | ||
| usb | ||
| v4l2-core | ||
| cec-edid.c | ||
| Kconfig | ||
| Makefile | ||
| media-device.c | ||
| media-devnode.c | ||
| media-entity.c | ||