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mailbox: imx: Clear the right interrupts at shutdown

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[ Upstream commit 5f0af07e89199ac51cdd4f25bc303bdc703f4e9c ]

Make sure to only clear enabled interrupts keeping count
of the connection type.

Suggested-by: Oleksij Rempel <[email protected]>
Signed-off-by: Daniel Baluta <[email protected]>
Signed-off-by: Richard Zhu <[email protected]>
Reviewed-by: Dong Aisheng <[email protected]>
Signed-off-by: Jassi Brar <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Daniel Baluta 2019-10-09 16:07:19 +08:00 • committed by Greg Kroah-Hartman
commit c1a6e48c0c
1 changed files with 13 additions and 2 deletions
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15
drivers/mailbox/imx-mailbox.c
View file

@ -217,8 +217,19 @@ 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_GIEn(cp->idx));
switch (cp->type) {
case IMX_MU_TYPE_TX:
imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx));
break;
case IMX_MU_TYPE_RX:
imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_RIEn(cp->idx));
break;
case IMX_MU_TYPE_RXDB:
imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_GIEn(cp->idx));
break;
default:
break;
}
free_irq(priv->irq, chan);
}