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i2c: sh_mobile: update copyright and comments

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Update copyright years and add Renesas to it. Add/update comments to
make driver easier to understand.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2019-01-16 22:05:55 +01:00 committed by Wolfram Sang
parent 63c5246003
commit 9d899ed400
1 changed files with 3 additions and 4 deletions
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7
drivers/i2c/busses/i2c-sh_mobile.c
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@ -2,8 +2,7 @@
/*
* SuperH Mobile I2C Controller
*
* Copyright (C) 2014 Wolfram Sang <wsa@sang-engineering.com>
*
* Copyright (C) 2014-19 Wolfram Sang <wsa@sang-engineering.com>
* Copyright (C) 2008 Magnus Damm
*
* Portions of the code based on out-of-tree driver i2c-sh7343.c
@ -373,6 +372,7 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd)
unsigned char data;
int real_pos;
/* switch from TX (address) to RX (data) adds two interrupts */
real_pos = pd->pos - 2;
if (pd->pos == -1) {
@ -717,8 +717,7 @@ static const struct i2c_adapter_quirks sh_mobile_i2c_quirks = {
};
/*
* r8a7740 chip has lasting errata on I2C I/O pad reset.
* this is work-around for it.
* r8a7740 has an errata regarding I2C I/O pad reset needing this workaround.
*/
static int sh_mobile_i2c_r8a7740_workaround(struct sh_mobile_i2c_data *pd)
{