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Exynos5420 variant of USB2 PHY is handled by the same code as the
Exynos5250 one. Introducing a separate Kconfig symbol for it was an
over-engineering, which turned out to cause build break for certain
configurations:
ERROR: modpost: "exynos5420_usb2_phy_config" [drivers/phy/samsung/phy-exynos-usb2.ko] undefined!
Fix this by removing PHY_EXYNOS5420_USB2 symbol and using
PHY_EXYNOS5250_USB2 also for Exynos5420 SoCs.
Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Fixes: 81b534f7e9b2 ("phy: samsung: Add support for the Exynos5420 variant of the USB2 PHY")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Link: https://lore.kernel.org/r/20201202064759.24300-1-m.szyprowski@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Correct name passed into 'MODULE_DEVICE_TABLE' which was wrong and
was showing a warning when the driver is enabled for 'COMPILE_TEST'.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201201112051.17463-3-sergio.paracuellos@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This driver includes the following two files directly:
- mt7621.h
- ralink_regs.h
Compilation for its related platform properly works because
its real path is included in 'arch/mips/ralink/Platform' as
cflags.
This driver depends on RALINK but also is enabled for COMPILE_TEST
where nothing about its platform is known and this directly
included files are not found at all breaking compilation.
If we want 'COMPILE_TEST' we have to change cflags also inside
'phy/ralink' subdirectory Makefile which seems that does not
like to linux-phy maintainers. Hence remove COMPILE_TEST from
Kconfig to avoid the problem.
Fixes: d87da32372a0 ("phy: ralink: Add PHY driver for MT7621 PCIe PHY")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201201112051.17463-2-sergio.paracuellos@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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devm_ioremap_resource() will be not built in lib/devres.c if
CONFIG_HAS_IOMEM is not set, of_address_to_resource() will be
not built in drivers/of/address.c if CONFIG_OF_ADDRESS is not
set, and then there exists two build errors about undefined
reference to "devm_ioremap_resource" and "of_address_to_resource"
in phy-mtk-xsphy.c under COMPILE_TEST and CONFIG_PHY_MTK_XSPHY,
make PHY_MTK_XSPHY depend on HAS_IOMEM and OF_ADDRESS to fix it.
The above issue is reported by kernel test robot <lkp@intel.com>,
through the discussion in the v1 patch, as Chunfeng said we need
also do this for config PHY_MTK_TPHY:
drivers/phy/mediatek/phy-mtk-tphy.c:1157: retval = of_address_to_resource(child_np, 0, &res);
drivers/phy/mediatek/phy-mtk-tphy.c:1123: tphy->sif_base = devm_ioremap_resource(dev, sif_res);
drivers/phy/mediatek/phy-mtk-tphy.c:1164: instance->port_base = devm_ioremap_resource(&phy->dev, &res);
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1606289865-692-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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In commit "phy: tegra: xusb: Add usb-phy support", an OTG capable PHY
device, such as phy-usb2.0 device of Jetson-TX1 platform, will be
bound to the tegra-xusb-padctl driver by the following line in
tegra_xusb_setup_usb_role_switch().
port->usb_phy.dev->driver = port->padctl->dev->driver;
With this, dev_pm_ops set of tegra-xusb-padctl driver will be invoked
for the OTG capable PHY incorrectly as below logs show.
This commit fixes the issue by assigning an empty driver to it.
[ 153.451108] tegra-xusb-padctl phy-usb2.0: > tegra_xusb_padctl_suspend_noirq(dev=ffff000080917000)
[ 153.460353] tegra-xusb-padctl phy-usb2.0: driver: ffff8000114453e0 (tegra_xusb_padctl_driver)
[ 153.469245] tegra-xusb-padctl phy-usb2.0: padctl: ffff0000829f6480
[ 153.475772] tegra-xusb-padctl phy-usb2.0: soc: ef7bdd7fffffffff (0xef7bdd7fffffffff)
[ 153.484061] Unable to handle kernel paging request at virtual address 007bdd800000004f
[ 153.492132] Mem abort info:
[ 153.495083] ESR = 0x96000004
[ 153.498308] EC = 0x25: DABT (current EL), IL = 32 bits
[ 153.503771] SET = 0, FnV = 0
[ 153.506979] EA = 0, S1PTW = 0
[ 153.510260] Data abort info:
[ 153.513200] ISV = 0, ISS = 0x00000004
[ 153.517181] CM = 0, WnR = 0
[ 153.520302] [007bdd800000004f] address between user and kernel address ranges
[ 153.527600] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 153.533231] Modules linked in: nouveau panel_simple tegra_video(C) tegra_drm drm_ttm_helper videobuf2_dma_contig ttm videobuf2_memops cec videobuf2_v4l2 videobuf2_common drm_kms_helper v4l2_fwnode videodev drm mc snd_hda_codec_hdmi cdc_ether usbnet snd_hda_tegra r8152 crct10dif_ce snd_hda_codec snd_hda_core tegra_xudc host1x lp855x_bl at24 ip_tables x_tables ipv6
[ 153.566417] CPU: 0 PID: 300 Comm: systemd-sleep Tainted: G C 5.10.0-rc3-next-20201113-00019-g5c064d5372b0-dirty #624
[ 153.578283] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT)
[ 153.584281] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--)
[ 153.590381] pc : tegra_xusb_padctl_suspend_noirq+0x88/0x100
[ 153.596016] lr : tegra_xusb_padctl_suspend_noirq+0x80/0x100
[ 153.601632] sp : ffff8000120dbb60
[ 153.604999] x29: ffff8000120dbb60 x28: ffff000080a1df00
[ 153.610430] x27: 0000000000000002 x26: ffff8000106f8540
[ 153.615858] x25: ffff8000113ac4a4 x24: ffff80001148c198
[ 153.621277] x23: ffff800010c4538c x22: 0000000000000002
[ 153.626692] x21: ffff800010ccde80 x20: ffff0000829f6480
[ 153.632107] x19: ffff000080917000 x18: 0000000000000030
[ 153.637521] x17: 0000000000000000 x16: 0000000000000000
[ 153.642933] x15: ffff000080a1e380 x14: 74636461702d6273
[ 153.648346] x13: ffff8000113ad058 x12: 0000000000000f39
[ 153.653759] x11: 0000000000000513 x10: ffff800011405058
[ 153.659176] x9 : 00000000fffff000 x8 : ffff8000113ad058
[ 153.664590] x7 : ffff800011405058 x6 : 0000000000000000
[ 153.670002] x5 : 0000000000000000 x4 : ffff0000fe908bc0
[ 153.675414] x3 : ffff0000fe910228 x2 : 162ef67e0581e700
[ 153.680826] x1 : 162ef67e0581e700 x0 : ef7bdd7fffffffff
[ 153.686241] Call trace:
[ 153.688769] tegra_xusb_padctl_suspend_noirq+0x88/0x100
[ 153.694077] __device_suspend_noirq+0x68/0x1cc
[ 153.698594] dpm_noirq_suspend_devices+0x10c/0x1d0
[ 153.703456] dpm_suspend_noirq+0x28/0xa0
[ 153.707461] suspend_devices_and_enter+0x234/0x4bc
[ 153.712314] pm_suspend+0x1e4/0x270
[ 153.715868] state_store+0x8c/0x110
[ 153.719440] kobj_attr_store+0x1c/0x30
[ 153.723259] sysfs_kf_write+0x4c/0x7c
[ 153.726981] kernfs_fop_write+0x124/0x240
[ 153.731065] vfs_write+0xe4/0x204
[ 153.734449] ksys_write+0x6c/0x100
[ 153.737925] __arm64_sys_write+0x20/0x30
[ 153.741931] el0_svc_common.constprop.0+0x78/0x1a0
[ 153.746789] do_el0_svc+0x24/0x90
[ 153.750181] el0_sync_handler+0x254/0x260
[ 153.754251] el0_sync+0x174/0x180
[ 153.757663] Code: aa0303e2 94000f64 f9405680 b40000e0 (f9402803)
[ 153.763826] ---[ end trace 81543a3394cb409d ]---
Fixes: e8f7d2f409a1 ("phy: tegra: xusb: Add usb-phy support")
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20201117083803.185209-1-jckuo@nvidia.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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devm_reset_control_array_get_exclusive() looks more readable
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/1605666995-16462-1-git-send-email-yejune.deng@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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In order to keep OTG ID detection even when in Host mode, the ID line of
the PHY (if the current phy is an OTG one) pull-up should be kept
enable in both modes.
This fixes OTG switch on GXL, GXM & AXG platforms, otherwise once switched
to Host, the ID detection doesn't work anymore to switch back to Device.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20201120153855.3920757-1-narmstrong@baylibre.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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For consistency, replace DSI_LANE definitions with BIT() macro and remove the unused
DSI_LANE_MASK definition.
Suggested-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20201120150347.3914901-1-narmstrong@baylibre.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Exynos5420 differs a bit from Exynos5250 in USB2 PHY related registers in
the PMU region. Add a variant for the Exynos5420 case. Till now, USB2 PHY
worked only because the bootloader enabled the PHY, but then driver messed
USB 3.0 DRD related registers during the suspend/resume cycle.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201120085637.7299-2-m.szyprowski@samsung.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Remove this driver from staging because it has been moved
into its properly place in the kernel.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20201121155037.21354-5-sergio.paracuellos@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Adding myself as maintainer for mt7621 pci phy driver.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201121155037.21354-4-sergio.paracuellos@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This patch adds a driver for the PCIe PHY of MT7621 SoC.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201121155037.21354-3-sergio.paracuellos@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Marek Szyprowski
Sergio Paracuellos
Tiezhu Yang
JC Kuo
Yejune Deng
Neil Armstrong