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Date:   Mon, 24 Aug 2020 11:00:06 +0800
From:   <ricky_wu@...ltek.com>
To:     <arnd@...db.de>, <gregkh@...uxfoundation.org>,
        <bhelgaas@...gle.com>, <ricky_wu@...ltek.com>,
        <vaibhavgupta40@...il.com>, <rui_feng@...lsil.com.cn>,
        <kdlnx@...h.eu>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] misc: rtsx: do not setting OC_POWER_DOWN reg in rtsx_pci_init_ocp()

From: Ricky Wu <ricky_wu@...ltek.com>

this power saving action in rtsx_pci_init_ocp() cause INTEL-NUC6 platform
missing card reader

Signed-off-by: Ricky Wu <ricky_wu@...ltek.com>
---
 drivers/misc/cardreader/rtsx_pcr.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 37ccc67f4914..3a4a7b0cc098 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1155,10 +1155,6 @@ void rtsx_pci_init_ocp(struct rtsx_pcr *pcr)
 			rtsx_pci_write_register(pcr, REG_OCPGLITCH,
 				SD_OCP_GLITCH_MASK, pcr->hw_param.ocp_glitch);
 			rtsx_pci_enable_ocp(pcr);
-		} else {
-			/* OC power down */
-			rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
-				OC_POWER_DOWN);
 		}
 	}
 }
-- 
2.17.1

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