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DMA_ADDR_INVALID isn't used anymore, it's safe
to remove it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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gadget drivers shouldn't touch req->dma at all,
since UDC drivers are the ones required to handle
mapping and unmapping of the request buffer.
Remove references to DMA_ADDR_INVALID so we don't
creat false expectations to gadget driver writers.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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DMA_ADDR_INVALID isn't used anymore, it's safe
to remove it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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DMA_ADDR_INVALID isn't used anymore, it's safe
to remove it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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DMA_ADDR_INVALID isn't (and shouldn't) be used
anymore, let's remove it.
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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since commit d93e260 (usb: gadget: s3c-hsudc: use udc_start and udc_stop
functions) the 'driver' parameter has been deleted from
s3c_hsudc_stop_activity() but its documentation was left outdated. This
patch deletes the comment since it makes no sense anymore.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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this patch implements ->init() and ->set_vbus()
methods for isp1301 transceiver driver.
Later patches can now come in order to remove
the hackery from ohci-nxp and lpc32xx udc drivers.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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this method will be used to enable or disable
the charge pump.
Whenever we have DRD devices, we need to be
able to turn VBUS on or off whenever we want.
Note that in the ideal case, this would be
controlled by the ID-pin Interrupt, but not
all devices have ID-pin properly routed since
manufacturers can choose to save that trace
if they're building a host-only product out
of a DRD IP.
This is also useful during debugging where
we might not have the proper cable hanging
around.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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this patch is a small preparation to fix
isp1301 driver so that other platforms can
use it.
We're defining our private data structure
to represent this device and adding the
PHY to the PHY list.
Later patches will come implementing proper
PHY API and removing bogus code from ohci_nxp
and lpc32xx_udc drivers.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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this will make sure that we have sensible names
for all phy drivers. Current situation was already
quite bad with too generic names being used.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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there are no more users of CONFIG_USB_OTG_UTILS
left in tree, we can remove it just fine.
[ kishon@ti.com : fixed a linking error due
to original patch forgetting to change
drivers/usb/Makefile ]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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CONFIG_USB_OTG_UTILS will be removed very
soon, so we should check CONFIG_USB_PHY
instead.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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CONFIG_USB_OTG_UTILS will be removed very
soon, so we should check CONFIG_USB_PHY
instead.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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CONFIG_USB_OTG_UTILS will be removed very
soon, so we should check CONFIG_USB_PHY
instead.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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CONFIG_USB_OTG_UTILS will be removed very
soon, so we should check CONFIG_USB_PHY
instead.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We already have a considerable amount of USB
PHY drivers, making it a menuconfig just
prevents us from adding too much churn to
USB's menuconfig.
While at that, also select USB_OTG_UTILS from
this new menuconfig just to keep backwards
compatibility until we manage to remove
that symbol.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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that's a much more reasonable location for
those drivers. It helps us saving drivers/usb/otg/
for when we actually start adding generic OTG
code.
Also completely delete drivers/usb/otg/ as there's
nothing left there.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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we only want GPL users for our generic functions,
so let's switch over to EXPORT_SYMBOL_GPL.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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otg.c only had a single function definition
which might make more sense to be placed in
usb-common.c. While doing that, we also delete
otg.c since it's now empty.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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all other functions under drivers/usb/ start
with usb_, let's do the same thing.
This patch is in preparation for moving otg_state_string
to usb-common.c and deleting otg.c completely.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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that way we will only tell gadget framework about
the endpoints we actually have.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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hwparams2 holds the number of endpoints which
were selected during RTL generation, we can
use that on our driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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kfree on NULL pointer is a no-op.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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CONFIG_USB_MUSB_DEBUG option was removed in
5c8a86e usb: musb: drop unneeded musb_debug trickery
to cleanup the code from driver specific debug facilities. This patch
drops the last references to the musb debug config option,
unconditionally enabling all debug code paths, thus letting that code
being dropped at compile time if not needed.
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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module_platform_driver_probe() eliminates the boilerplate and simplifies
the code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Now that machines may select dwc3's working mode (HOST only,
GADGET only or DUAL_ROLE) via Kconfig, let's set dwc3's mode
based on that, rather than fixing it to whatever hardware
says.
This way we can skip initializing Gadget/Host in case
we are using Host-only/Gadget-only mode respectively.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch converts the mxs-phy driver from readl_relaxed(), writel_relaxed()
to the plain readl(), writel() functions, which are available on all platforms.
This is done to enable compile time testing on non ARM platforms.
Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We now have usb_add_phy_dev(), so use it to register with the framework
to be able to find the phy from the USB driver.
Tested-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Most of otg/otg.c is not otg specific, but phy specific, so move it
to the phy directory.
Tested-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reported-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In DWC3 versions < 2.50a configured without
Hibernation mode enabled, there will be an
extra link status change interrupt if device
detects host-initiated U3 exit.
In that case, core will generate an unnecessary
U3 -> RESUME transition which should be ignored
by the driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Some new revisions of the DWC3 core have
been released, let's add our defines to help
implementing known erratas.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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current code only allows the file owner (usually
root) to read current_speed and maximum_speed
sysfs files. Let anyone read those.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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now that no UDC driver touches gadget.dev.release
we can assign our release function to it without
being afraid of breaking anything.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc-core provides a better way to handle release
methods, let's use it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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