On Sun, Oct 03, 2010 at 10:37:18PM +0530, Felix Fietkau wrote:
> static void ath9k_regwrite_flush(void *hw_priv)
> {
> struct ath_hw *ah = (struct ath_hw *) hw_priv;
> @@ -397,6 +388,9 @@ static void ath9k_regwrite_flush(void *hw_priv)
> u32 rsp_status;
> int r;
>
> + if (!atomic_dec_and_test(&priv->wmi->mwrite_cnt))
> + return;
> +
FMU, Assume that mwrite_cnt > 1 and a reg_read happens after a flush whose value
depends on issued reg_write, the above check skips reg_write.
The buffered commands only issued either mwrite_cnt reaches zero or
buffer reaches MAX limit.
>
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