[PATCH 2/4] ath10k: sdio: disable fwlog prints

[Kalle Valo <kvalo@xxxxxxxxxxxxxx>]

From: Alagu Sankar <alagusankar@xxxxxxxxxxxxxxx>

The SDIO firmware may turn it on based on scratch registers so disable the
firmware log to avoid that.

Co-developed-by: Wen Gong <wgong@xxxxxxxxxxxxxx>
Signed-off-by: Alagu Sankar <alagusankar@xxxxxxxxxxxxxxx>
Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath10k/core.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 0c62a61b5eac..7ccd6741c5b0 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -648,6 +648,13 @@ static void ath10k_init_sdio(struct ath10k *ar)
 	param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
 	param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
 	ath10k_bmi_write32(ar, hi_acs_flags, param);
+
+	/* Explicitly set fwlog prints to zero as target may turn it on
+	 * based on scratch registers.
+	 */
+	ath10k_bmi_read32(ar, hi_option_flag, &param);
+	param |= HI_OPTION_DISABLE_DBGLOG;
+	ath10k_bmi_write32(ar, hi_option_flag, param);
 }
 
 static int ath10k_init_configure_target(struct ath10k *ar)
-- 
2.7.4