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From: Jarkko Nikula on 8 Aug 2010 13:10
We are modifying register value instead of return value.

This fix is originally done by Carlos Eduardo Aguiar. Original fix is
commit bb4e91722e29efe31587d2cc664b6def645aecd9 in
git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git

Author modified the fix for mainline version of menelaus.

Signed-off-by: Jarkko Nikula <jhnikula(a)gmail.com>
Cc: Carlos Eduardo Aguiar <carlos.aguiar(a)indt.org.br>
---
Tested on N810. Integrated eMMC on N810 started to work with this patch.
---
drivers/mfd/menelaus.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index a3fb4bc..e02b574 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -356,9 +356,9 @@ int menelaus_set_mmc_slot(int slot, int enable, int power, int cd_en)
int b;

if (enable)
- ret |= 1 << 1;
+ val |= 1 << 1;
else
- ret &= ~(1 << 1);
+ val &= ~(1 << 1);
b = menelaus_read_reg(MENELAUS_MCT_CTRL2);
b &= ~0x03;
b |= power;
--
1.7.1

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Next: [PATCH 2/2] mfd: menelaus: Use macros instead of some constant magic numbers