2016-10-06 10:49:31 +00:00
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From 58edb5e9811879e0a8e87f90057f12f615eab2d1 Mon Sep 17 00:00:00 2001
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2016-06-29 15:04:05 +00:00
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From: Jes Sorensen <Jes.Sorensen@redhat.com>
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Date: Wed, 29 Jun 2016 11:47:10 -0400
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Subject: [PATCH] rtl8xxxu: Add rtl8188e_usb_quirk() for enabling MAC TX/RX
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Due to a bug in the 8188e chips, this has to be done after setting
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REG_TRXFF_BNDY.
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Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
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---
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
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@@ -200,9 +200,24 @@ exit:
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return ret;
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}
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+static void rtl8188e_usb_quirks(struct rtl8xxxu_priv *priv)
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+{
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+ u16 val16;
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+
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+ /*
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+ * Technically this is not a USB quirk, but a chip quirk.
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+ * This has to be done after REG_TRXFF_BNDY is set, see
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+ * rtl8188eu_power_on() for details.
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+ */
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+ val16 = rtl8xxxu_read16(priv, REG_CR);
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+ val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE);
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+ rtl8xxxu_write16(priv, REG_CR, val16);
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+}
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+
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struct rtl8xxxu_fileops rtl8188eu_fops = {
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.parse_efuse = rtl8188eu_parse_efuse,
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.load_firmware = rtl8188eu_load_firmware,
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.power_on = rtl8188eu_power_on,
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.reset_8051 = rtl8xxxu_reset_8051,
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+ .usb_quirks = rtl8188e_usb_quirks,
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};
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