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rtlwifi: rtl8821ae: fix firmware is not ready to run

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commit 9a98302de1 upstream.

Without this patch, firmware will not run properly on rtl8821ae, and it
causes bad user experience. For example, bad connection performance with
low rate, higher power consumption, and so on.

rtl8821ae uses two kinds of firmwares for normal and WoWlan cases, and
each firmware has firmware data buffer and size individually. Original
code always overwrite size of normal firmware rtlpriv->rtlhal.fwsize, and
this mismatch causes firmware checksum error, then firmware can't start.

In this situation, driver gives message "Firmware is not ready to run!".

Fixes: fe89707f0a ("rtlwifi: rtl8821ae: Simplify loading of WOWLAN firmware")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Cc: Stable <stable@vger.kernel.org> # 4.0+
Reviewed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ping-Ke Shih
2018-06-28 10:02:27 +08:00
committed by Chris
parent 5dd8a049ce
commit 1e2da60f8e
1 changed files with 0 additions and 1 deletions
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1
drivers/net/wireless/realtek/rtlwifi/core.c
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@@ -131,7 +131,6 @@ found_alt:
firmware->size);
rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
}
rtlpriv->rtlhal.fwsize = firmware->size;
release_firmware(firmware);
}