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fusbh200 and fotg210 are very similar. The initial idea was to consolidate
both drivers but I'm afraid fusbh200 is not being used.
This patch remove the fusbh200 source code, update Kconfig and two
Makefiles.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: John Chiang <john453@faraday-tech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The FUSBH200 debug port has a EHCI-compatible register layout so there
is no need to define a custom struct.
Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that ehci-dbgp has its own header, use it rather than duplicating
the declarations, etc.
Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The fusbh200_dbg_port struct is a copy of the ehci_dbg_port definition
in the <linux/usb/ehci_def.h> header. Embedded in this definition are
a number of macros which came along for the ride. These macros are not
used in the fusbh200 driver and will conflict those in the new
<linux/usb/ehci-dbgp.h> header.
Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If CONFIG_XEN_DOM0 is enabled, the ehci-dbgp driver notifies Xen of
controller reset events via xen_dbgp_reset_prep() and
xen_dbgp_external_startup() (via calls to xen_dbgp_op().) Otherwise
<linux/usb/ehci_def.h> defines them as no-ops to disable this logic.
The fusbh200 driver copies much of the dbgp code from ehci_def.h, but it
unconditionally defines the Xen hooks as no-ops, effectively disabling
these notifications when CONFIG_EARLY_PRINTK_DBGP is disabled. When
enabled, though, notifying Xen is dependent on CONFIG_XEN_DOM0 due to
fusbh200 leveraging the ehci-dbgp driver.
The following table compares the implementations of xen_dbgp_reset_prep()
and xen_dbgp_external_startup() in the ehci-dbgp and fusbh200 drivers
under the relevant configurations:
EARLY_PRINTK_DBGP? XEN_DOM0? ehci-dbgp fusbh200
------------------ --------- ------------- -------------
n n no-op no-op
n y xen_dbgp_op() no-op
y n no-op no-op
y y xen_dbgp_op() xen_dbgp_op()
This suggests that fusbh200 is, at best, indifferent to whether Xen is
notified of these events. Make fusbh200 consistent with ehci-dbgp as a
step towards consolidating this code duplication.
Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This allows removal of much conditional compilation.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This gets rid of conditional compilation.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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FUSBH200-HCD is an USB2.0 hcd for Faraday FUSBH200.
FUSBH200 is an ehci-like controller with some differences.
First, register layout of FUSBH200 is incompatible with EHCI.
Furthermore, FUSBH200 is lack of siTDs which means iTDs
are used for both HS and FS ISO transfer.
Signed-off-by: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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