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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
commit17eb8812917b10ce4146b5595f91d8e45bfe68cc (patch)
treef905aa6c71212f4b460e23ceaec98346b999066a /drivers/usb/chipidea/usbmisc_imx.c
parent57610d69f909ea2ea072775c6ad64ba9fad590bb (diff)
parent23199d2aa6dcaf6dd2da772f93d2c94317d71459 (diff)
Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility updates for 6.18-rc1 from Shuah Khan: "Fixes incorrect return vale in cpupower_write_sysfs() error path and passing incorrect size to cpuidle_state_write_file() while writing status to disable file in cpuidle_state_disable()." * tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits) tools/cpupower: Fix incorrect size in cpuidle_state_disable() tools/cpupower: fix error return value in cpupower_write_sysfs() Linux 6.17-rc6 MAINTAINERS: Input: Drop melfas-mip4 section USB: core: remove the move buf action MAINTAINERS: Update the DMA Rust entry erofs: fix long xattr name prefix placement Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT libceph: fix invalid accesses to ceph_connection_v1_info PM: hibernate: Restrict GFP mask in hibernation_snapshot() MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change ...
Diffstat (limited to 'drivers/usb/chipidea/usbmisc_imx.c')
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 3d20c5e76c6a..b1418885707c 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -1068,15 +1068,24 @@ static void usbmisc_imx7d_pullup(struct imx_usbmisc_data *data, bool on)
unsigned long flags;
u32 val;
+ if (on)
+ return;
+
spin_lock_irqsave(&usbmisc->lock, flags);
val = readl(usbmisc->base + MX7D_USBNC_USB_CTRL2);
- if (!on) {
- val &= ~MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_MASK;
- val |= MX7D_USBNC_USB_CTRL2_OPMODE(1);
- val |= MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_EN;
- } else {
- val &= ~MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_EN;
- }
+ val &= ~MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_MASK;
+ val |= MX7D_USBNC_USB_CTRL2_OPMODE(1);
+ val |= MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_EN;
+ writel(val, usbmisc->base + MX7D_USBNC_USB_CTRL2);
+ spin_unlock_irqrestore(&usbmisc->lock, flags);
+
+ /* Last for at least 1 micro-frame to let host see disconnect signal */
+ usleep_range(125, 150);
+
+ spin_lock_irqsave(&usbmisc->lock, flags);
+ val &= ~MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_MASK;
+ val |= MX7D_USBNC_USB_CTRL2_OPMODE(0);
+ val &= ~MX7D_USBNC_USB_CTRL2_OPMODE_OVERRIDE_EN;
writel(val, usbmisc->base + MX7D_USBNC_USB_CTRL2);
spin_unlock_irqrestore(&usbmisc->lock, flags);
}