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-rw-r--r--drivers/net/wireless/ath/ath10k/core.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index ac2cf3f1c7b4..0c62a61b5eac 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -637,10 +637,16 @@ static void ath10k_init_sdio(struct ath10k *ar)
ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
ath10k_bmi_read32(ar, hi_acs_flags, &param);
- param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET |
- HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET |
- HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE);
+ /* Data transfer is not initiated, when reduced Tx completion
+ * is used for SDIO. disable it until fixed
+ */
+ param &= ~HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
+ /* Alternate credit size of 1544 as used by SDIO firmware is
+ * not big enough for mac80211 / native wifi frames. disable it
+ */
+ param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
+ param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
ath10k_bmi_write32(ar, hi_acs_flags, param);
}