| Commit message (Collapse) | Author | Age | Files | Lines |
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The Linux Kernel has a bug on ARM/ARM64 systems where the USB CMA
memory is incorrectly mapped to userspace, breaking zerocopy.
When the Kernel allocates the memory, it clears it with memset().
If the mapping worked correctly, we should have zeroed out buffers,
if it doesn't, we get random Kernel memory. We now check for this,
and fall back to buffers in userspace if that's the case.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Note that the FL2000 only supports I2C transfers with
a fixed length of 4 bytes.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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according to https://wiki.debian.org/Autoreconf:
...
dh-autoreconf is enabled by default since debhelper compatibility level
10 (and the debhelper package Depends on dh-autoreconf since version
9.20160402). For lower compatibility levels:
* Build-Depend on dh-autoreconf
...
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... so we can build on anything except unstable + ubuntu 18.04
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This allows (among others) to build rtl-sdr nightly packages
for a variety of distributions as part of the network:osmocom:nightly
builds.
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This patch is taken from the osmo-fl2k debian package.
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This avoids the following compiler warnings when using more recent
versions of libusb:
src/libosmo-fl2k.c:384:2: warning: ‘libusb_set_debug’ is deprecated: Use libusb_set_option instead [-Wdeprecated-declarations]
libusb_set_debug(dev->ctx, 3);
^~~~~~~~~~~~~~~~
Details can be found at https://github.com/libusb/libusb/commit/539f22e2fd916558d11ab9a66f10f461c5593168
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Thanks to Ted Yapo for reporting.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Thanks to mot for reporting.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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