diff options
| author | Ingo Molnar <mingo@kernel.org> | 2022-02-21 11:53:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-02-21 11:53:51 +0100 |
| commit | 6255b48aebfd4dff375e97fc8b075a235848db0b (patch) | |
| tree | bcedf2b959a843a18cf7ebcc9120a0dd1c4e234f /drivers/usb/dwc3/dwc3-xilinx.c | |
| parent | 1b2d3451ee50a0968cb9933f726e50b368ba5073 (diff) | |
| parent | cfb92440ee71adcc2105b0890bb01ac3cddb8507 (diff) | |
Merge tag 'v5.17-rc5' into sched/core, to resolve conflicts
New conflicts in sched/core due to the following upstream fixes:
44585f7bc0cb ("psi: fix "defined but not used" warnings when CONFIG_PROC_FS=n")
a06247c6804f ("psi: Fix uaf issue when psi trigger is destroyed while being polled")
Conflicts:
include/linux/psi_types.h
kernel/sched/psi.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/dwc3/dwc3-xilinx.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-xilinx.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c index 9cc3ad701a29..a6f3a9b38789 100644 --- a/drivers/usb/dwc3/dwc3-xilinx.c +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -99,17 +99,29 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data) struct device *dev = priv_data->dev; struct reset_control *crst, *hibrst, *apbrst; struct phy *usb3_phy; - int ret; + int ret = 0; u32 reg; - usb3_phy = devm_phy_get(dev, "usb3-phy"); - if (PTR_ERR(usb3_phy) == -EPROBE_DEFER) { - ret = -EPROBE_DEFER; + usb3_phy = devm_phy_optional_get(dev, "usb3-phy"); + if (IS_ERR(usb3_phy)) { + ret = PTR_ERR(usb3_phy); + dev_err_probe(dev, ret, + "failed to get USB3 PHY\n"); goto err; - } else if (IS_ERR(usb3_phy)) { - usb3_phy = NULL; } + /* + * The following core resets are not required unless a USB3 PHY + * is used, and the subsequent register settings are not required + * unless a core reset is performed (they should be set properly + * by the first-stage boot loader, but may be reverted by a core + * reset). They may also break the configuration if USB3 is actually + * in use but the usb3-phy entry is missing from the device tree. + * Therefore, skip these operations in this case. + */ + if (!usb3_phy) + goto skip_usb3_phy; + crst = devm_reset_control_get_exclusive(dev, "usb_crst"); if (IS_ERR(crst)) { ret = PTR_ERR(crst); @@ -188,6 +200,7 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data) goto err; } +skip_usb3_phy: /* * This routes the USB DMA traffic to go through FPD path instead * of reaching DDR directly. This traffic routing is needed to |