iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mailbox: imx: Clear GIEn bit at shutdown

Browse Source 
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>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Daniel Baluta 2019-06-27 15:29:27 +03:00 committed by Jassi Brar
parent 9c1f2a5dc2
commit 11108f4671
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/mailbox/imx-mailbox.c
View File

@ -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);
}