On Thu, Mar 18, 2021 at 11:52:10AM +0000, Bence Csókás wrote:
> Create an i2c_adapter for CP2615's I2C master interface by
> implementing parts of the CP2615's I/O Protocol (IOP)
>
> Signed-off-by: Bence Csókás <bence98@xxxxxxxxxx>
So, my code checkers report:
SPARSE
drivers/i2c/busses/i2c-cp2615.c:88:21: warning: incorrect type in assignment (different base types)
drivers/i2c/busses/i2c-cp2615.c:88:21: expected unsigned short [usertype] length
drivers/i2c/busses/i2c-cp2615.c:88:21: got restricted __be16 [usertype]
drivers/i2c/busses/i2c-cp2615.c:89:18: warning: incorrect type in assignment (different base types)
drivers/i2c/busses/i2c-cp2615.c:89:18: expected unsigned short [usertype] msg
drivers/i2c/busses/i2c-cp2615.c:89:18: got restricted __be16 [usertype]
drivers/i2c/busses/i2c-cp2615.c:78:5: warning: symbol 'cp2615_init_iop_msg' was not declared. Should it be static?
drivers/i2c/busses/i2c-cp2615.c:96:5: warning: symbol 'cp2615_init_i2c_msg' was not declared. Should it be static?
drivers/i2c/busses/i2c-cp2615.c:102:5: warning: symbol 'cp2615_check_status' was not declared. Should it be static?
drivers/i2c/busses/i2c-cp2615.c:131:41: warning: cast to restricted __be16
drivers/i2c/busses/i2c-cp2615.c:131:41: warning: cast to restricted __be16
drivers/i2c/busses/i2c-cp2615.c:131:41: warning: cast to restricted __be16
drivers/i2c/busses/i2c-cp2615.c:131:41: warning: cast to restricted __be16
drivers/i2c/busses/i2c-cp2615.c:148:25: warning: restricted __be16 degrades to integer
drivers/i2c/busses/i2c-cp2615.c:212:27: warning: symbol 'cp2615_i2c_quirks' was not declared. Should it be static?
CPPCHECK
drivers/i2c/busses/i2c-cp2615.c:258:9: warning: Identical condition and return expression 'ret', return value is always 0 [identicalConditionAfterEarlyExit]
return ret;
^
CC drivers/i2c/busses/i2c-cp2615.o
drivers/i2c/busses/i2c-cp2615.c:78:5: warning: no previous prototype for ‘cp2615_init_iop_msg’ [-Wmissing-prototypes]
78 | int cp2615_init_iop_msg(struct cp2615_iop_msg *ret, enum cp2615_iop_msg_type msg,
| ^~~~~~~~~~~~~~~~~~~
drivers/i2c/busses/i2c-cp2615.c:96:5: warning: no previous prototype for ‘cp2615_init_i2c_msg’ [-Wmissing-prototypes]
96 | int cp2615_init_i2c_msg(struct cp2615_iop_msg *ret, const struct cp2615_i2c_transfer *data)
| ^~~~~~~~~~~~~~~~~~~
drivers/i2c/busses/i2c-cp2615.c:102:5: warning: no previous prototype for ‘cp2615_check_status’ [-Wmissing-prototypes]
102 | int cp2615_check_status(enum cp2615_i2c_status status)
| ^~~~~~~~~~~~~~~~~~~
drivers/i2c/busses/i2c-cp2615.c: In function ‘cp2615_i2c_probe’:
drivers/i2c/busses/i2c-cp2615.c:244:2: warning: ‘strncpy’ specified bound 48 equals destination size [-Wstringop-truncation]
244 | strncpy(adap->name, usbdev->serial, sizeof(adap->name));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The missing 'static' are what buildbot also reported and are correct.
Please check the others if they need action. Especially the strncpy
thing.
Other than that, it looks good. I like that you bind to the IOP
interface only. Keeping the CamelCase is also OK.
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