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authorJakub Kicinski <kuba@kernel.org>2025-06-12 10:08:24 -0700
committerJakub Kicinski <kuba@kernel.org>2025-08-29 11:48:01 -0700
commitd23ad54de795ec0054f90ecb03b41e8f2c410f3a (patch)
tree93ee9c1bfac4b54c567cc613039d4898cac04871 /drivers/usb/chipidea
parent29828b81a46a3ae55ebc053fce512219172560ba (diff)
parent9c736ace0666efe68efd53fcdfa2c6653c3e0e72 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc4). No conflicts. Adjacent changes: drivers/net/ethernet/intel/idpf/idpf_txrx.c 02614eee26fb ("idpf: do not linearize big TSO packets") 6c4e68480238 ("idpf: remove obsolete stashing code") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c3
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c23
2 files changed, 18 insertions, 8 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index e1ec9b38f5b9..d7c2a1a3c271 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -338,7 +338,8 @@ static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned int event)
schedule_work(&ci->usb_phy->chg_work);
break;
case CI_HDRC_CONTROLLER_PULLUP_EVENT:
- if (ci->role == CI_ROLE_GADGET)
+ if (ci->role == CI_ROLE_GADGET &&
+ ci->gadget.speed == USB_SPEED_HIGH)
imx_usbmisc_pullup(data->usbmisc_data,
ci->gadget.connected);
break;
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);
}