diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2023-07-04 16:48:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-25 20:30:20 +0200 |
| commit | 57c984f6fe20ebb9306d6e8c09b4f67fe63298c6 (patch) | |
| tree | 748da1f0d2ec8b18978c4c175beb9121b786bcbc | |
| parent | 9b8fef6345d5487137d4193bb0a0eae2203c284e (diff) | |
| download | xfs-lts-backports-57c984f6fe20ebb9306d6e8c09b4f67fe63298c6.tar.gz | |
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 <dan.carpenter@linaro.org>
Fixes: 8749061be196 ("tty: serial: sh-sci: Add RZ/G2L SCIFA DMA tx support")
Cc: stable@kernel.org
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230704154818.406913-1-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 7c9457962a3df8..8b7a42e05d6d53 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); |