[PATCH 4.9 38/69] can: ifi: use correct register to read rx status

From: Greg Kroah-Hartman
Date: Wed Apr 19 2017 - 11:10:49 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Markus Marb <markus@xxxxxxxx>

commit 57c1d4c33e8f7ec90976d79127059c1919cc0651 upstream.

The incorrect offset was used when trying to read the RXSTCMD register.

Signed-off-by: Markus Marb <markus@xxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/net/can/ifi_canfd/ifi_canfd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/can/ifi_canfd/ifi_canfd.c
+++ b/drivers/net/can/ifi_canfd/ifi_canfd.c
@@ -557,7 +557,7 @@ static int ifi_canfd_poll(struct napi_st
int work_done = 0;

u32 stcmd = readl(priv->base + IFI_CANFD_STCMD);
- u32 rxstcmd = readl(priv->base + IFI_CANFD_STCMD);
+ u32 rxstcmd = readl(priv->base + IFI_CANFD_RXSTCMD);
u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR);

/* Handle bus state changes */