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Commit cca4d5ad authored by Santosh Sajjan's avatar Santosh Sajjan Committed by Kalle Valo
Browse files

ath6kl: Workaround to support Deep Sleep with MSM. 



Set the host pm flag MMC_PM_WAKE_SDIO_IRQ to allow host
to disable the sdc2_clk and sdc2_h_clk,so that the MSM device
enter into TCXO shutdown.

Signed-off-by: default avatarSantosh Sajjan <ssajjan@codeaurora.org>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 3c411a43

drivers/net/wireless/ath/ath6kl/sdio.c

+13 −0
Original line number Diff line number Diff line
@@ -856,6 +856,19 @@ static int ath6kl_sdio_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 
		if (ret)

			goto cut_pwr;



		/*

		 * Workaround to support Deep Sleep with MSM, set the host pm

		 * flag as MMC_PM_WAKE_SDIO_IRQ to allow SDCC deiver to disable

		 * the sdc2_clock and internally allows MSM to enter

		 * TCXO shutdown properly.

		 */

		if ((flags & MMC_PM_WAKE_SDIO_IRQ)) {

			ret = sdio_set_host_pm_flags(func,

						MMC_PM_WAKE_SDIO_IRQ);

			if (ret)

				goto cut_pwr;

		}



		ret = ath6kl_cfg80211_suspend(ar, ATH6KL_CFG_SUSPEND_DEEPSLEEP,

					      NULL);

		if (ret)