From: Biju Das Date: Tue, 4 Jul 2023 15:48:18 +0000 (+0100) Subject: tty: serial: sh-sci: Fix sleeping in atomic context X-Git-Tag: v6.6.7~2262^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=57c984f6fe20ebb9306d6e8c09b4f67fe63298c6;p=platform%2Fkernel%2Flinux-starfive.git tty: serial: sh-sci: Fix sleeping in atomic context Fix sleeping in atomic context warning as reported by the Smatch static checker tool by replacing disable_irq->disable_irq_nosync. Reported by: Dan Carpenter Fixes: 8749061be196 ("tty: serial: sh-sci: Add RZ/G2L SCIFA DMA tx support") Cc: stable@kernel.org Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20230704154818.406913-1-biju.das.jz@bp.renesas.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 7c94579..8b7a42e 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -590,7 +590,7 @@ static void sci_start_tx(struct uart_port *port) dma_submit_error(s->cookie_tx)) { if (s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE) /* Switch irq from SCIF to DMA */ - disable_irq(s->irqs[SCIx_TXI_IRQ]); + disable_irq_nosync(s->irqs[SCIx_TXI_IRQ]); s->cookie_tx = 0; schedule_work(&s->work_tx);