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2017-02-03usb: musb: Add support for optional VBUS irq to dsps glue layerTony Lindgren1-24/+93
We can now configure the PMIC interrupt to provide us VBUS events. In that case we don't need to constantly poll the status and can make it optional. This is only wired up for the mini-B interface on beaglebone. Note that eventually we should get also the connect status for the host interface when the am335x internal PM coprocessor provides us with an IRQ chip. For now, we still need to poll for the host mode status. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: blackfin: fix unused warnings on suspend/resumeJérémy Lefaure1-4/+2
When CONFIG_PM_SLEEP is disabled, SIMPLE_DEV_PM_OPS does not use bfin_resume and bfin_suspend even if CONFIG_PM is enabled: drivers/usb/musb/blackfin.c:602:12: warning: ‘bfin_resume’ defined but not used [-Wunused-function] static int bfin_resume(struct device *dev) ^~~~~~~~~~~ drivers/usb/musb/blackfin.c:585:12: warning: ‘bfin_suspend’ defined but not used [-Wunused-function] static int bfin_suspend(struct device *dev) ^~~~~~~~~~~~ The preprocessor condition should be on CONFIG_PM_SLEEP, not on CONFIG_PM. However it is better to mark these functions as __maybe_unused. Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: dsps: switch to static id for musb-hdrc platform devicesBin Liu1-1/+2
The dsps glue uses PLATFORM_DEVID_AUTO when creating the musb-hdrc platform devices, this causes that the id will change in each system depending on the order of driver probe, the order of the usb instances defined in device-tree, or the list of enabled devices which use also PLATFORM_DEVID_AUTO in kernel config. This id inconsistency causes trouble in shell scripting or user guide documentation. So switch it to static id, starting from 0 to the musb instance with lower MMR offset. This scheme is also aligned to the naming in the SoC. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: debugfs: allow forcing host mode together with speed in testmodePali Rohár1-17/+29
Based on the musb ug, force_host bit is allowed to be set along with force_hs or force_fs bit. It could help to implement forced host mode via testmode on Nokia N900. Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: sunxi: Uses the resource-managed extcon API when registering extcon notifierChanwoo Choi1-9/+3
This patch just uses the resource-managed extcon API when registering the extcon notifier. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: da8xx: Fix host mode suspendAlexandre Bailon1-1/+1
On da8xx, VBUS is not maintained during suspend when musb is in host mode. On resume, all the connected devices will be disconnected and then will be enumerated again. This happens because MUSB_DEVCTL is cleared during suspend. Use the quirk MUSB_PRESERVE_SESSION to preseve MUSB_DEVCTL during suspend. Signed-off-by: Alexandre Bailon <abailon@baylibre.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: Add a quirk to preserve the session during suspendAlexandre Bailon2-1/+3
On da8xx, VBUS is not maintained during suspend when musb is in host mode. On resume, all the connected devices will be disconnected and then will be enumerated again. This happens because MUSB_DEVCTL is cleared during suspend. Add a quirk to not clear MUSB_DEVCTL and then preserve the session during a suspend. Signed-off-by: Alexandre Bailon <abailon@baylibre.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: da8xx: Add support of suspend / resumeAlexandre Bailon1-0/+29
Implement PM methods specifics for da8xx glue. The only thing to do is to power off the phy. As the registers are in retention during suspend, there is no need to save them. Signed-off-by: Alexandre Bailon <abailon@baylibre.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: davinci: remove redundant codeBin Liu1-1/+0
The session is cleared in the core whenever musb_platform_disable() is called, so clearing it in the glue driver *_musb_disable() is redundant. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: am35x: remove redundant codeBin Liu1-1/+0
The session is cleared in the core whenever musb_platform_disable() is called, so clearing it in the glue driver *_musb_disable() is redundant. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: da8xx: remove redundant codeBin Liu1-1/+0
The session is cleared in the core whenever musb_platform_disable() is called, so clearing it in the glue driver *_musb_disable() is redundant. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: dsps: remove redundant codeBin Liu1-1/+0
The session is cleared in the core whenever musb_platform_disable() is called, so clearing it in the glue driver *_musb_disable() is redundant. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: remove musb_generic_disable functionBin Liu1-16/+10
musb_generic_disable() only has two lines of code. So remove it and let the callers directly call those two lines. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: musb: da8xx: Remove CPPI 3.0 quirk and methodsAlexandre Bailon1-5/+1
DA8xx driver is registering and using the CPPI 3.0 DMA controller but actually, the DA8xx has a CPPI 4.1 DMA controller. Remove the CPPI 3.0 quirk and methods. Fixes: f8e9f34f80a2 ("usb: musb: Fix up DMA related macros") Fixes: 7f6283ed6fe8 ("usb: musb: Set up function pointers for DMA") Cc: <stable@vger.kernel.org> Signed-off-by: Alexandre Bailon <abailon@baylibre.com> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-03usb: misc: adutux: remove redundant error check on copy_to_user return codeColin Ian King1-4/+0
The 2nd check for a non-zero return from copy_to_user is redundant as it is has already been made a few lines earlier. This check was made redundant because of previous fix to the copy_to_user error return check. Detected by CoverityScan, CID#114347 ("Logically Dead Code") Fixes: 1865a9c382ede ("USB: adutux: fix misuse of return value of copy_to_user()") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-27phy: qcom-ufs: Fix misplaced jump labelVivek Gautam1-1/+1
We want to skip only tx/rx_iface clocks and not ref_clk_src as well. Fix the jump label accordingly. Fixes: 300f96771d78 ("phy: qcom-ufs: Skip obtaining rx/tx_iface_clk for msm8996 based phy") Cc: Subhash Jadavani <subhashj@codeaurora.org> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: stable@vger.kernel.org Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2017-01-27phy: fix rockchip-inno-usb2 build errorsRandy Dunlap1-0/+1
Fix build errors in phy-rockchip-inno-usb2.c. The driver uses extcon interfaces so it should depend on EXTCON. Fixes these build errors: drivers/built-in.o: In function `rockchip_usb2phy_otg_sm_work': phy-rockchip-inno-usb2.c:(.text+0x2bcb): undefined reference to `extcon_get_state' phy-rockchip-inno-usb2.c:(.text+0x2cd4): undefined reference to `extcon_set_state_sync' phy-rockchip-inno-usb2.c:(.text+0x2cec): undefined reference to `extcon_set_state_sync' phy-rockchip-inno-usb2.c:(.text+0x2d2d): undefined reference to `extcon_get_state' drivers/built-in.o: In function `rockchip_usb2phy_probe': phy-rockchip-inno-usb2.c:(.text+0x31d7): undefined reference to `extcon_get_edev_by_phandle' phy-rockchip-inno-usb2.c:(.text+0x321a): undefined reference to `devm_extcon_dev_allocate' phy-rockchip-inno-usb2.c:(.text+0x3230): undefined reference to `devm_extcon_dev_register' phy-rockchip-inno-usb2.c:(.text+0x375a): undefined reference to `extcon_register_notifier' Found in linux-next but is also needed in mainline. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Chanwoo Choi <cw00.choi@samsung.com> Cc: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2017-01-27phy: Add USB3 PHY support for Broadcom NSP SoCYendapally Reddy Dhananjaya Reddy3-0/+186
This patch adds support for Broadcom NSP USB3 PHY Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>