Hi Nicholas
On 4/6/19 5:01 AM, Nicholas Mc Guire wrote:
> External E-Mail
>
>
> Someone that knows the motivation for setting the time to 2 millisecond
> might need to check if the 2 milliseconds where seen as tollerable max or
> min - I'm assuming it was the min so extending.
2 msec is the time the chip takes to wake up from sleep.
Increasing the maximum to 5 msec will impact the throughput since this call is on the transmit path.
> diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
> index c238969..42da533 100644
> --- a/drivers/staging/wilc1000/wilc_wlan.c
> +++ b/drivers/staging/wilc1000/wilc_wlan.c
> @@ -408,7 +408,7 @@ void chip_wakeup(struct wilc *wilc)
> wilc->hif_func->hif_write_reg(wilc, 1, reg & ~BIT(1));
>
> do {
> - usleep_range(2 * 1000, 2 * 1000);
> + usleep_range(2 * 1000, 5 * 1000);
> wilc_get_chipid(wilc, true);
> } while (wilc_get_chipid(wilc, true) == 0);
> } while (wilc_get_chipid(wilc, true) == 0);
> @@ -423,7 +423,7 @@ void chip_wakeup(struct wilc *wilc)
> &clk_status_reg);
>
> while ((clk_status_reg & 0x1) == 0) {
> - usleep_range(2 * 1000, 2 * 1000);
> + usleep_range(2 * 1000, 5 * 1000);
>
> wilc->hif_func->hif_read_reg(wilc, 0xf1,
> &clk_status_reg);
Thanks,
Adham
