diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2026-06-17 08:55:26 +0200 |
|---|---|---|
| committer | Jassi Brar <jassisinghbrar@gmail.com> | 2026-06-20 21:18:38 -0500 |
| commit | 82ef9a635d7130ca27ec9dd88c16afc39c83a4e8 (patch) | |
| tree | 1205be6f6ef0e5107790158a08e04d8a85e133d8 /drivers | |
| parent | 9b2ffcfb32e27a936da867e14b29e3648f3d4ac4 (diff) | |
| download | lwn-82ef9a635d7130ca27ec9dd88c16afc39c83a4e8.tar.gz lwn-82ef9a635d7130ca27ec9dd88c16afc39c83a4e8.zip | |
mailbox: imx: Forward the timeout/ error in imx_mu_generic_tx()
imx_mu_generic_tx() for the IMX_MU_TYPE_TXDB_V2 type polls on a register
which may timeout and is recognized as an error. This error is siltently
dropped and not dropped to the caller.
Forward the error to the caller.
Fixes: b5ef17917f3a7 ("mailbox: imx: fix TXDB_V2 channel race condition")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mailbox/imx-mailbox.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index 246a9a9e3952..0028073be4a7 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -227,6 +227,7 @@ static int imx_mu_generic_tx(struct imx_mu_priv *priv, u32 val; int ret, count; + ret = 0; switch (cp->type) { case IMX_MU_TYPE_TX: imx_mu_write(priv, *arg, priv->dcfg->xTR + cp->idx * 4); @@ -259,7 +260,7 @@ static int imx_mu_generic_tx(struct imx_mu_priv *priv, return -EINVAL; } - return 0; + return ret; } static int imx_mu_generic_rx(struct imx_mu_priv *priv, |