Rajkumar Manoharan wrote:
> + if (!AR_SREV_9462_20(ah))
> + goto skip_btcoex;
> +
> + for (i = 0; i < AH_WAIT_TIMEOUT; i++) {
> + btcoex_ctrl2 = REG_READ(ah, AR_BTCOEX_CTRL2);
> + if (btcoex_ctrl2 != 0xdeadbeef)
> + break;
> + udelay(AH_TIME_QUANTUM);
> + }
> + REG_WRITE(ah, AR_BTCOEX_CTRL2, (btcoex_ctrl2 | BIT(23)));
> +
> + for (i = 0; i < AH_WAIT_TIMEOUT; i++) {
> + diag_sw = REG_READ(ah, AR_DIAG_SW);
> + if (diag_sw != 0xdeadbeef)
> + break;
> + udelay(AH_TIME_QUANTUM);
> + }
> + REG_WRITE(ah, AR_DIAG_SW, (diag_sw | BIT(27) | BIT(19) | BIT(18)));
> + lna_ctrl = REG_READ(ah, AR_OBS_BUS_CTRL) & 0x3;
> + bt_sleep = REG_READ(ah, AR_MCI_RX_STATUS) & AR_MCI_RX_REMOTE_SLEEP;
> +
> + REG_WRITE(ah, AR_BTCOEX_CTRL2, btcoex_ctrl2);
> + REG_WRITE(ah, AR_DIAG_SW, diag_sw);
> +
> + if (bt_sleep && (lna_ctrl == 2)) {
> + REG_SET_BIT(ah, AR_BTCOEX_RC, 0x1);
> + REG_CLR_BIT(ah, AR_BTCOEX_RC, 0x1);
> + udelay(50);
> + }
> +
> +skip_btcoex:
It would be cleaner to use a helper function for this and also check
whether MCI/BTCOEX is actually enabled.
Sujith
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