From: Amitkumar Karwar <akarwar@marvell.com>
Date: Tue, 26 May 2015 13:34:27 +0000 (-0700)
Subject: mwifiex: fix SDIO firmware dump problem
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e065ddb891755c74f73c60989f96784f3aa65f81;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

mwifiex: fix SDIO firmware dump problem

It's been observed that firmware doesn't go back to normal
state when all firmware memories are dumped. As a result,
further commands are blocked. This happens due to missing
driver change of writing READ DONE to control register for
SDIO interface.

This patch adds a missing change to fix the problem.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index f4b1de7977ab..a3d810b866c1 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -2241,6 +2241,13 @@ static void mwifiex_sdio_fw_dump_work(struct mwifiex_adapter *adapter)
 
 		if (memory_size == 0) {
 			mwifiex_dbg(adapter, DUMP, "Firmware dump Finished!\n");
+			ret = mwifiex_write_reg(adapter,
+						card->reg->fw_dump_ctrl,
+						FW_DUMP_READ_DONE);
+			if (ret) {
+				mwifiex_dbg(adapter, ERROR, "SDIO write err\n");
+				return;
+			}
 			break;
 		}