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mailbox: imx: Clear GIEn bit at shutdown

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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 <[email protected]>
Reviewed-by: Oleksij Rempel <[email protected]>
Signed-off-by: Jassi Brar <[email protected]>
This commit is contained in:
Daniel Baluta 2019-06-27 15:29:27 +03:00 • committed by Jassi Brar
commit 11108f4671
1 changed files with 2 additions and 2 deletions
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4
drivers/mailbox/imx-mailbox.c
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@ -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);
}