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fix the problem that MSC Tests of USBCV detects some warnings.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch improves the disable_controller() function in the
r8a66597-udc driver to disable all interrupts and also clear
status flags. With this patch in place the driver survives
kexec.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch updates the r8a66597-udc buffer management code.
Use fixed buffers for bulk and isochronous pipes, also make
sure to handle the isochronous-as-bulk case. With fixed buffers
there is no need to keep track of used buffers with bi_bufnum.
Also, this fixes a potential buffer offset problem where the
base offset incorrectly varies with the number of pipes used.
The m66592 driver recently got fixed in a similar way.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add support for the clock framework to the r8a66597 gadget driver.
This is needed to control the clock driving the USB block.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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While in-tree support for the R8A66597 host side has been supported for
some time, the peripheral side has so far been unsupported. This adds a
new USB gadget driver which bridges the gap and finally wires up the
peripheral side as well.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Tested-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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