diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/google/chromeec/ec_lpc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/ec/google/chromeec/ec_lpc.c b/src/ec/google/chromeec/ec_lpc.c index c8665c9e82..61005d3e3b 100644 --- a/src/ec/google/chromeec/ec_lpc.c +++ b/src/ec/google/chromeec/ec_lpc.c @@ -41,9 +41,11 @@ static void read_bytes(u16 port, unsigned int length, u8 *dest, u8 *csum) #if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC_MEC) /* Access desired range though EMI interface */ if (port >= MEC_EMI_RANGE_START && port <= MEC_EMI_RANGE_END) { - csum += mec_io_bytes(MEC_IO_READ, MEC_EMI_BASE, + u8 ret = mec_io_bytes(MEC_IO_READ, MEC_EMI_BASE, port - MEC_EMI_RANGE_START, dest, length); + if (csum) + *csum += ret; return; } #endif @@ -78,9 +80,11 @@ static void write_bytes(u16 port, unsigned int length, u8 *msg, u8 *csum) #if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC_MEC) /* Access desired range though EMI interface */ if (port >= MEC_EMI_RANGE_START && port <= MEC_EMI_RANGE_END) { - csum += mec_io_bytes(MEC_IO_WRITE, MEC_EMI_BASE, + u8 ret = mec_io_bytes(MEC_IO_WRITE, MEC_EMI_BASE, port - MEC_EMI_RANGE_START, msg, length); + if (csum) + *csum += ret; return; } #endif |