linux-kernel - [PATCH] mfd: asic3: Fix the broken MMC card detection

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Date:   Sat, 26 May 2018 11:31:50 +0200
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Lee Jones <lee.jones@...aro.org>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Paul Parsons <lost.distance@...oo.com>
Cc:     linux-kernel@...r.kernel.org,
        Robert Jarzmik <robert.jarzmik@...e.fr>
Subject: [PATCH] mfd: asic3: Fix the broken MMC card detection

The MMC framework requires the ocr_mask to be provided. Without it, the
SD card is not detected, especially on the hx4700 platform.

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
 drivers/mfd/asic3.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index cf2e25ab2940..1531302a50ec 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -31,6 +31,8 @@
 #include <linux/mfd/ds1wm.h>
 #include <linux/mfd/tmio.h>
 
+#include <linux/mmc/host.h>
+
 enum {
 	ASIC3_CLOCK_SPI,
 	ASIC3_CLOCK_OWM,
@@ -719,6 +721,7 @@ static void asic3_mmc_clk_div(struct platform_device *pdev, int state)
 
 static struct tmio_mmc_data asic3_mmc_data = {
 	.hclk           = 24576000,
+	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
 	.set_pwr        = asic3_mmc_pwr,
 	.set_clk_div    = asic3_mmc_clk_div,
 };
-- 
2.11.0