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remoteproc: stm32: update error management in stm32_copro_start

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The coprocessor is running as soon as the hold boot is de-asserted.

So indicate this running state and save the resource table even
if the protective assert, to avoid autonomous reboot, is failed.

This error case should never occurs.

Cc: Fabien DESSENNE <fabien.dessenne@st.com>
Cc: Arnaud POULIQUEN <arnaud.pouliquen@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2020-10-15 15:01:13 +02:00
parent 5a536dfe33
commit 9ed6f929a3
1 changed files with 6 additions and 7 deletions
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13
drivers/remoteproc/stm32_copro.c
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@ -139,19 +139,18 @@ static int stm32_copro_start(struct udevice *dev)
/*
* Once copro running, reset hold boot flag to avoid copro
* rebooting autonomously
* rebooting autonomously (error should never occur)
*/
ret = reset_assert(&priv->hold_boot);
if (ret)
dev_err(dev, "Unable to assert hold boot (ret=%d)\n", ret);
writel(ret ? TAMP_COPRO_STATE_OFF : TAMP_COPRO_STATE_CRUN,
TAMP_COPRO_STATE);
if (!ret)
/* Store rsc_address in bkp register */
writel(priv->rsc_table_addr, TAMP_COPRO_RSC_TBL_ADDRESS);
/* indicates that copro is running */
writel(TAMP_COPRO_STATE_CRUN, TAMP_COPRO_STATE);
/* Store rsc_address in bkp register */
writel(priv->rsc_table_addr, TAMP_COPRO_RSC_TBL_ADDRESS);
return ret;
return 0;
}
/**