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usb: ehci-brcm: fix sleep during atomic

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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: 9df231511b ("usb: ehci: Add new EHCI driver for Broadcom STB SoC's")
Cc: stable <stable@kernel.org>
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20260318185707.2588431-1-justin.chen@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Justin Chen
2026-03-30 17:04:13 +02:00
committed by Greg Kroah-Hartman
parent f50200dd44
commit 679b771ea0
1 changed files with 2 additions and 2 deletions
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drivers/usb/host/ehci-brcm.c
+2 -2
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@@ -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);