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This reverts commit 7e6502d577106fb5b202bbaac64c5f1b065e6daa.
Oops are produced during initialization of ehci and ohci
drivers. This is because the run time pm apis are used by
the driver but the corresponding hwmod structures and
initialization is not merged. hence revering back the
commit id 7e6502d577106fb5b202bbaac64c5f1b065e6daa
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Reported-by: Luciano Coelho <coelho@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The usbhs core driver does not enable/disable the interface and
functional clocks; These clocks are handled by hwmod and runtime pm,
hence insted of the clock enable/disable, the runtime pm APIS are
used. however,the port clocks and tll clocks are handled
by the usbhs core.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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1. Return proper error if omap_usbhs_alloc_child fails
2. In the case of goto err_ehci, we should call platform_device_unregister(ehci)
instead of platform_device_put(ehci) because we have already added the
platform device to device hierarchy.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The disabling of clocks and freeing GPIO are changed
to fix the occurrence of the crash of rmmod of ehci and ohci
drivers. The GPIOs should be freed after the spin locks are
unlocked.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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With commit 19403165 a main part of ehci-omap.c moved to
drivers/mfd/omap-usb-host.c created by commit 17cdd29d.
Due to this reorganisation the polarity used to reset the
external USB phy changed and USB host doesn't recognize
any devices.
Signed-off-by: Juergen Kilb <J.Kilb@phytec.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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in case of ehci phy mode; regulator of phy
should be enabled before initializing the
usbhs core driver.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Tested-by: Steve Calfee <stevecalfee@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In the case of missing platform_data we do not hold a spin_lock,
thus we should not call spin_unlock_irqrestore in the error path.
Also simplify the error handling by separating the successful path
from error path. I think this change improves readability.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Steve Calfee <stevecalfee@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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enabling and disabling the common clocks for ehci
and ohci is implemented. usbhs is a common parent
platform driver for EHCI and OHCI driver. This driver
receives the clock enable and disable requests
from ehci and ohci drivers.The UHH and TLL
initialization is also performed.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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