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2015-05-26usb: musb: Make busctl_offset an io-op rather then a defineHans de Goede5-48/+68
The Allwinner (sunxi) implementation of the musb has its busctl registers indexed by the MUSB_INDEX register rather then in a flat address space. This commit turns MUSB_BUSCTL_OFFSET from a macro into an io-op which can be overridden from the platform ops. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: musb: Make musb_write_rxfun* and musb_write_rxhub* work like their tx versionsHans de Goede4-35/+21
For some reason the musb_write_rxfun* and musb_write_rxhub* functions had a different function prototype and some extra magic needed on the caller side compared to their tx counterparts, this commit makes them work the same as their tx counterparts. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26power: twl4030_charger: find associated phy by more reliable means.NeilBrown3-12/+22
twl4030_charger currently finds the associated phy using usb_get_phy() which will return the first USB2 phy. If your platform has multiple such phys (as mine does), this is not reliable (and reliably fails on the GTA04). Change to use devm_usb_get_phy_by_node(), having found the node by looking for an appropriately named sibling in device-tree. This makes usb-charging dependent on correct device-tree configuration. Acked-By: Sebastian Reichel <sre@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: phy: Add interface to get phy give of device_node.NeilBrown2-27/+72
Split the "get phy from device_node" functionality out of "get phy by phandle" so it can be used directly. This is useful when a battery-charger is intimately associated with a particular phy but handled by a separate driver. The charger can find the device_node based on sibling relationships without the need for a redundant declaration in the devicetree description. As a peripheral that gets a phy will often want to register a notifier block, and de-register it later, that functionality is included so the de-registration is automatic. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: fix pullup handlingMian Yousaf Kaukab1-5/+11
Gadget must be informed about disconnection when pullup is removed. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: physically disable endpoint on disable operationMian Yousaf Kaukab1-0/+7
Reset configuration in ep_cfg on disable to physically disable the endpoint. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: autoconf: net2280: match hardware and usb ep addressMian Yousaf Kaukab1-7/+17
USB3380 GPEP can be used in IN and OUT directions however, both directions should use same endpoint address. Fulfil this requirement by mapping usb endpoint to hardware endpoint with the same address. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: fix use of GPEP in both directionsMian Yousaf Kaukab2-9/+36
USB3380 enhanced mode allows GPEP to be used in both IN and OUT directions. However, IN and OUT endpoints must use same USB endpoint address (bEndpointAddress). Fix this by setting the ep_cfg.ep_number during initialization and keep it in net2280_enable() Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: check interrupts for all endpointsMian Yousaf Kaukab2-13/+47
USB3380 in enhanced mode has 4 IN and 4 OUT endpoints. Check interrupts for all of them. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: set all byte enables on startMian Yousaf Kaukab1-0/+1
Default 0 value can result in unintentional zlp for IN endpoints. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: don't set ep_cfg.direction bitMian Yousaf Kaukab1-2/+0
USB3380 ep_cfg.direction bit is reserved in enhanced mode. Don't set it. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: unconditionally reset dma in usb_resetMian Yousaf Kaukab1-1/+7
If ep->dma is set, abort_dma() takes care of dma clean-up. If ep->dma is not set, unconditionally reset dma channel. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: reset sequence number on ep enableMian Yousaf Kaukab1-0/+4
Sequence number can be out of sync if endpoint is disabled after some data transfers and enabled again. Reset it to stay in sync with host. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: net2280: fix ep_cfg for defect7374Mian Yousaf Kaukab1-2/+2
ep_cfg.IN_EP_ENABLE is only valid in advance mode. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: renesas_usbhs: Add support for R-Car E2Yoshihiro Shimoda2-0/+5
This patch adds a compatible string to support for R-Car E2. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>" in patch 2 Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: renesas_usbhs: Change USBHS_TYPE_R8A779x to USBHS_TYPE_RCAR_GEN2Yoshihiro Shimoda2-13/+5
Since the HSUSB controllers of R-Car Gen2 are the same specification (they have 16 pipes and usb-dmac), this patch changes USBHS_TYPE_R8A7790 and USBHS_TYPE_R8A7791 to USBHS_TYPE_RCAR_GEN2. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: gadget: f_fs: add extra check before unregister_gadget_itemRui Miguel Silva1-2/+8
ffs_closed can race with configfs_rmdir which will call config_item_release, so add an extra check to avoid calling the unregister_gadget_item with an null gadget item. Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: dwc3: gadget: return error if command sent to DEPCMD register failsSubbaraya Sundeep Bhatta1-0/+2
We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver) Cc: <stable@vger.kernel.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: dwc3: gadget: return error if command sent to DGCMD register failsSubbaraya Sundeep Bhatta1-0/+2
We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: <stable@vger.kernel.org> #v3.5+ Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26usb: musb: Add pre and post root port reset end callbacksHans de Goede2-0/+18
The sunxi otg phy has a bug where it wrongly detects a high speed squelch when reset on the root port gets de-asserted with a lo-speed device. The workaround for this is to disable squelch detect before de-asserting reset, and re-enabling it after the reset de-assert is done. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-22usb: renesas_usbhs: avoid uninitialized variable useArnd Bergmann1-0/+2
After the renesas_usbhs driver is enabled in ARM multi_v7_defconfig, we now get a new warning: renesas_usbhs/mod.c: In function 'usbhs_interrupt': renesas_usbhs/mod.c:246:7: warning: 'intenb1' may be used uninitialized in this function [-Wmaybe-uninitialized] gcc correctly points to a problem here, for the case that the device is in host mode, we use the intenb1 variable without having assigned it first. The state->intsts1 has a similar problem, but gcc cannot know that. This avoids the problem by initializing both sides of the comparison to zero when we don't read them from the respective registers. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 88a25e02f3 ("usb: renesas_usbhs: Add access control for INTSTS1 and INTENB1 register") Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-21usb: gadget: rndis: use signed type for a signed valueAndrzej Pietrasiewicz2-3/+3
rndis_get_nr() returns either a non-negative value on success or a negative value on failure. In case of failure an error code is returned to the caller of rndis_register(). If the "i" is unsigned, the information about error from rndis_get_nr() is lost. If there is no error but rndis_get_nr() returns a value greater than 256 the least significant bits of i are zero effectively limiting the number of configs to 256. This patch fixes that. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-21usb: gadget: rndis: don't duplicate the "i" variableAndrzej Pietrasiewicz1-1/+0
If CONFIG_USB_GADGET_DEBUG_FILES is set then a block is opened and inside it there is a local variable "i" which hides the "i" local to the rndis_deregister(). Consequently, a random value is formatted into the "name" buffer. This patch removes the block-local i. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-21usb: gadget: rndis: change the value passed to rndis_signal_(dis)connect()Andrzej Pietrasiewicz1-2/+2
The patch: 83210e59ee1527f229af6aef78c95b747bdcf9c4 usb: gadget: rndis: use rndis_params instead of configNr should change all invocations of rndis_signal_(dis)connect(). This patch fixes that. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-14usb: renesas_usbhs: Add access control for INTSTS1 and INTENB1 registerNobuhiro Iwamatsu1-27/+34
INTSTS1 and INTENB1 register of renesas_usbhs can access only Host mode. This adds process of accessing INTSTS1 and INTENB1 only when renesas_usbhs is Host mode. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-13phy: add driver for TI TUSB1210 ULPI PHYHeikki Krogerus3-0/+161
TUSB1210 ULPI PHY has vendor specific register for eye diagram tuning. On some platforms the system firmware has set optimized value to it. In order to not loose the optimized value, the driver stores it during probe and restores it every time the PHY is powered back on. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>