@@ -262,21 +262,20 @@ static struct regmap_config qca8k_regmap_config = {
static int
qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask)
{
- unsigned long timeout;
-
- timeout = jiffies + msecs_to_jiffies(20);
+ u32 val;
+ int ret;
- /* loop until the busy flag has cleared */
- do {
- u32 val = qca8k_read(priv, reg);
- int busy = val & mask;
+ ret = read_poll_timeout(qca8k_read, val, !(val & mask),
+ 0, QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC, false,
+ priv, reg);
- if (!busy)
- break;
- cond_resched();
- } while (!time_after_eq(jiffies, timeout));
+ /* Check if qca8k_read has failed for a different reason
+ * before returnting -ETIMEDOUT
+ */
+ if (ret < 0 && val < 0)
+ return val;
- return time_after_eq(jiffies, timeout);
+ return ret;
}
static void
@@ -18,6 +18,8 @@
#define PHY_ID_QCA8337 0x004dd036
#define QCA8K_ID_QCA8337 0x13
+#define QCA8K_BUSY_WAIT_TIMEOUT 20
+
#define QCA8K_NUM_FDB_RECORDS 2048
#define QCA8K_CPU_PORT 0
Use iopoll macro instead of while loop. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- drivers/net/dsa/qca8k.c | 23 +++++++++++------------ drivers/net/dsa/qca8k.h | 2 ++ 2 files changed, 13 insertions(+), 12 deletions(-)