diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-sh_mobile.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index dd4df961d8eb..554bd79e0891 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -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) { |