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Kim Liu found that in the original code certain class setup requests
are wrongly recognized and processed as standard setup requests.
For that reason gadget ether can't work in RNDIS mode with Windows host.
The patch fixes the setup request processing code, and makes class
requests correctly passed to gadget layer.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kim Liu <KLiu@vixs.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes controller driver infrastructure which supported
the now-removed usb_ep_{alloc,free}_buffer() calls.
As can be seen, many of the implementations of this were broken to
various degrees. Many didn't properly return dma-coherent mappings;
those which did so were necessarily ugly because of bogosity in the
underlying dma_free_coherent() calls ... which on many platforms
can't be called from the same contexts (notably in_irq) from which
their dma_alloc_coherent() sibling can be called.
The main potential downside of removing this is that gadget drivers
wouldn't have specific knowledge that the controller drivers have:
endpoints that aren't dma-capable don't need any dma mappings at all.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix a bug that PORT_TYPE and PORT_WIDTH aren't masked correctly in portsc.
Signed-off-by: Christopher Cason <chris.cason@nec.com.au>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Currently the driver is expecting max ep number in platform
data which isn't passing this information. This patch fix
the problem by reading it from DCCPARAMS(Device Controller
Capability Parameters) register. The change also need some
reordering of the probe code.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change PORT_WIDTH bit for UMTI_WIDE mode and fix a compile warning
introduced in last revision.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Freescale high-speed USB SOC can be found on some Freescale processors
among different architectures. It supports both host and device functions.
This driver adds its device support for Linux USB Gadget layer.
It is tested on MPC8349 and MPC8313, but should work on other platforms
with minor tweaks. The driver passed USBCV 1.3 compliance tests. Note
that this driver doesn't yet include OTG support.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jiang Bo <tanya.jiang@freescale.com>
Signed-off-by: Bruce Schmid <duck@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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