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    Subject[RFC PATCH 1/2] mailbox: imx: Clear GIEn bit at shutdown
    Date
    From: Daniel Baluta <daniel.baluta@nxp.com>

    GIEn is enabled at startup for RX doorbell mailboxes so
    we need to clear the bit at shutdown in order to avoid
    leaving the interrupt line enabled.

    Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
    ---
    drivers/mailbox/imx-mailbox.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
    index 25be8bb5e371..9f74dee1a58c 100644
    --- a/drivers/mailbox/imx-mailbox.c
    +++ b/drivers/mailbox/imx-mailbox.c
    @@ -217,8 +217,8 @@ static void imx_mu_shutdown(struct mbox_chan *chan)
    if (cp->type == IMX_MU_TYPE_TXDB)
    tasklet_kill(&cp->txdb_tasklet);

    - imx_mu_xcr_rmw(priv, 0,
    - IMX_MU_xCR_TIEn(cp->idx) | IMX_MU_xCR_RIEn(cp->idx));
    + imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx) |
    + IMX_MU_xCR_RIEn(cp->idx) | IMX_MU_xCR_GIEn(cp->idx));

    free_irq(priv->irq, chan);
    }
    --
    2.17.1
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