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usb: host: max3421-hcd: fix mask of IO control register
author
Jaewon Kim
<jaewon02.kim@gmail.com>
Thu, 21 Jul 2016 13:20:53 +0000
(22:20 +0900)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 9 Aug 2016 14:14:18 +0000
(16:14 +0200)
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>
drivers/usb/host/max3421-hcd.c
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diff --git
a/drivers/usb/host/max3421-hcd.c
b/drivers/usb/host/max3421-hcd.c
index
c369c29
..
2f76900
100644
(file)
--- 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)