From: justin.chen@broadcom.com
To: linux-usb@vger.kernel.org
Cc: bcm-kernel-feedback-list@broadcom.com, alcooperx@gmail.com,
stern@rowland.harvard.edu, gregkh@linuxfoundation.org,
Justin Chen <justin.chen@broadcom.com>
Subject: [PATCH] usb: ehci-brcm: fix sleep during atomic
Date: Thu, 12 Mar 2026 12:08:25 -0700 [thread overview]
Message-ID: <20260312190825.3596757-1-justin.chen@broadcom.net> (raw)
From: Justin Chen <justin.chen@broadcom.com>
echi_brcm_wait_for_sof() gets called after disabling interrupts
in ehci_brcm_hub_control(). Use the atomic version of poll_timeout
to fix the warning.
Fixes: ("9df231511bd6 usb: ehci: Add new EHCI driver for Broadcom STB SoC's")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
---
drivers/usb/host/ehci-brcm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-brcm.c b/drivers/usb/host/ehci-brcm.c
index 888e8f6670d2..5e3156f94cc6 100644
--- a/drivers/usb/host/ehci-brcm.c
+++ b/drivers/usb/host/ehci-brcm.c
@@ -31,8 +31,8 @@ static inline void ehci_brcm_wait_for_sof(struct ehci_hcd *ehci, u32 delay)
int res;
/* Wait for next microframe (every 125 usecs) */
- res = readl_relaxed_poll_timeout(&ehci->regs->frame_index, val,
- val != frame_idx, 1, 130);
+ res = readl_relaxed_poll_timeout_atomic(&ehci->regs->frame_index,
+ val, val != frame_idx, 1, 130);
if (res)
ehci_err(ehci, "Error waiting for SOF\n");
udelay(delay);
--
2.34.1
next reply other threads:[~2026-03-12 19:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 19:08 justin.chen [this message]
2026-03-12 19:58 ` [PATCH] usb: ehci-brcm: fix sleep during atomic Florian Fainelli
2026-03-18 14:13 ` Greg KH
2026-03-18 14:14 ` Greg KH
2026-03-18 16:31 ` Justin Chen
2026-03-20 17:27 ` Florian Fainelli
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