From: Marc Yang <yangyang@marvell.com>
Date: Wed, 31 Dec 2014 10:36:40 +0000 (-0800)
Subject: mwifiex: increase delay during card reset
X-Git-Tag: firefly_0821_release~176^2~2371^2~10^2~223
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b4f1b177be27103cd84a3692ae71bf857700e27f;p=firefly-linux-kernel-4.4.55.git

mwifiex: increase delay during card reset

200ms is the requirement to allow VDD1.1 and VDD1.8 to
drop to have proper reset.

Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@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 274a1b2b0365..4e8aedd5c9f3 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1958,8 +1958,8 @@ static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
 
 	pr_err("Resetting card...\n");
 	mmc_remove_host(target);
-	/* 20ms delay is based on experiment with sdhci controller */
-	mdelay(20);
+	/* 200ms delay is based on experiment with sdhci controller */
+	mdelay(200);
 	target->rescan_entered = 0; /* rescan non-removable cards */
 	mmc_add_host(target);
 }