#include <linux/phy.h>
#include <linux/mdio-mux.h>
#include <linux/delay.h>
+#include <linux/iopoll.h>
#define MDIO_RATE_ADJ_EXT_OFFSET 0x000
#define MDIO_RATE_ADJ_INT_OFFSET 0x004
static int iproc_mdio_wait_for_idle(void __iomem *base, bool result)
{
- unsigned int timeout = 1000; /* loop for 1s */
u32 val;
- do {
- val = readl(base + MDIO_STAT_OFFSET);
- if ((val & MDIO_STAT_DONE) == result)
- return 0;
-
- usleep_range(1000, 2000);
- } while (timeout--);
-
- return -ETIMEDOUT;
+ return readl_poll_timeout(base + MDIO_STAT_OFFSET, val,
+ (val & MDIO_STAT_DONE) == result,
+ 2000, 1000000);
}
/* start_miim_ops- Program and start MDIO transaction over mdio bus.