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The tools/usb/aio_simple.c file when cross-compiled with
aarch64-*-gnu-gcc toolchain(s) leads to the following errors:
aio_simple.c:30:10: fatal error: endian.h: No such file or directory
30 | #include <endian.h>
| ^~~~~~~~~~
aio_simple.c:88:14: note: (near initialization for
'descriptors.fs_count')
aio_simple.c:110:14: error: initializer element is not constant
110 | .hs_count = htole32(3),
| ^~~~~~~
aio_simple.c:110:14: note: (near initialization for
'descriptors.hs_count')
aio_simple.c:124:22: error: initializer element is not constant
124 | .wMaxPacketSize = htole16(512),
| ^~~~~~~
aio_simple.c:124:22: note: (near initialization for
'descriptors.hs_descs.bulk_sink.wMaxPacketSize')
Fix these compilation issues by:
- Switching to _DEFAULT_SOURCE:
_BSD_SOURCE is deprecated and gives a build warning. Let's use
_DEFAULT_SOURCE instead.
- Currently this file uses library htole16/32 function calls.
Replace these with equivalent 'cpu_to_le16/32' calls.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20221029161312.171165-1-bhupesh.sharma@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This makes examples more platform independent and more compatible with
USB standard, as endpoint addresses in given interface may differ
between hardware platforms or even between configurations in single
USB device.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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It's needed, to have more than 64 bytes of maxpacketsize.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add missing information about license. Some people will probably want to
reuse this code in their projects released under variety of licenses. For this
reason this example is under Public Domain license to avoid GPL limitations.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Since commit [ac8dde11: “Add flags to descriptors block”] functionfs
supports a new descriptor format, so we update example application
to make it using recomended version of descriptors.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We wrap numeric values of fs_count and hs_count fields in htole32,
because they should be in little-endian format.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch adds two example applications showing usage of Asynchronous I/O API
of FunctionFS. First one (aio_simple) is simple example of bidirectional data
transfer. Second one (aio_multibuff) shows multi-buffer data transfer, which
may to be used in high performance applications.
Both examples contains userspace applications for device and for host.
It needs libaio library on the device, and libusb library on host.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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