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- From 682ffd261c494581b8fdbc81f42035a53c67f5c4 Mon Sep 17 00:00:00 2001
- From: Jes Sorensen <Jes.Sorensen@redhat.com>
- Date: Wed, 29 Jun 2016 11:07:13 -0400
- Subject: [PATCH] rtl8xxxu: 8188e: Enable scheduler
- This enables the schduler, DMA, etc, except for MAC RX/TX which has to
- be set after REG_TRXFF_BNDY due to a hardware bug in the 8188e
- Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
- ---
- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 16 ++++++++++++++++
- 1 file changed, 16 insertions(+)
- --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- @@ -172,6 +172,7 @@ exit:
-
- static int rtl8188eu_power_on(struct rtl8xxxu_priv *priv)
- {
- + u16 val16;
- int ret;
-
- rtl8188e_disabled_to_emu(priv);
- @@ -180,6 +181,21 @@ static int rtl8188eu_power_on(struct rtl
- if (ret)
- goto exit;
-
- + /*
- + * Enable MAC DMA/WMAC/SCHEDULE/SEC block
- + * Set CR bit10 to enable 32k calibration.
- + * We do not set CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE here
- + * due to a hardware bug in the 88E, requiring those to be
- + * set after REG_TRXFF_BNDY is set. If not the RXFF bundary
- + * will get set to a larger buffer size than the real buffer
- + * size.
- + */
- + val16 = (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
- + CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
- + CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
- + CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
- + rtl8xxxu_write16(priv, REG_CR, val16);
- +
- exit:
- return ret;
- }
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