net: lan966x: Fix sleep in atomic context when injecting frames

On lan966x, when injecting a frame it was polling the register
QS_INJ_STATUS to see if it can continue with the injection of the frame.
The problem was that it was using readx_poll_timeout which could sleep
in atomic context.
This patch fixes this issue by using readx_poll_timeout_atomic.

Fixes: d28d6d2e37d10d ("net: lan966x: add port module support")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 2cb70da63db3c7e1507c43ca6e59a60ea4233771..1f60fd125a1dcf499f49bc6f75ddb4fbfc173253 100644 (file)
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -182,9 +182,9 @@ static int lan966x_port_inj_ready(struct lan966x *lan966x, u8 grp)
 {
        u32 val;
 
-       return readx_poll_timeout(lan966x_port_inj_status, lan966x, val,
-                                 QS_INJ_STATUS_FIFO_RDY_GET(val) & BIT(grp),
-                                 READL_SLEEP_US, READL_TIMEOUT_US);
+       return readx_poll_timeout_atomic(lan966x_port_inj_status, lan966x, val,
+                                        QS_INJ_STATUS_FIFO_RDY_GET(val) & BIT(grp),
+                                        READL_SLEEP_US, READL_TIMEOUT_US);
 }
 
 static int lan966x_port_ifh_xmit(struct sk_buff *skb,