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authorJaewon Kim <jaewon02.kim@gmail.com>2016-07-21 22:20:53 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-09 16:14:18 +0200
commit59b71f774fc2ec2d985251e72fde0f9f88164547 (patch)
treef16ec30969e1c3a961f836d56093790f47e9b35e /drivers
parent5cce438298a0d2a7a857a4a3c3e26aeb8f77b941 (diff)
downloadop-kernel-dev-59b71f774fc2ec2d985251e72fde0f9f88164547.zip
op-kernel-dev-59b71f774fc2ec2d985251e72fde0f9f88164547.tar.gz
usb: host: max3421-hcd: fix mask of IO control register
GPIO control register is divided into IOPINS1 and IOPINS2. And low 4-bit of register is controls output. So, this patch fixes wrong mask of GPIO output. Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/host/max3421-hcd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index c369c29..2f76900 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -1675,7 +1675,7 @@ max3421_gpout_set_value(struct usb_hcd *hcd, u8 pin_number, u8 value)
if (pin_number > 7)
return;
- mask = 1u << pin_number;
+ mask = 1u << (pin_number % 4);
idx = pin_number / 4;
if (value)
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