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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-06-30 10:02:21 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2017-09-05 09:45:59 +0200 |
| commit | ff827cf5698b111b2e5f825cb9ee508115f94e8a (patch) | |
| tree | 760d0dedeee533e779822772eb467edb5e71f09f /drivers/mfd | |
| parent | Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', 'ib-mfd-hw... (diff) | |
| download | linux-ff827cf5698b111b2e5f825cb9ee508115f94e8a.tar.xz linux-ff827cf5698b111b2e5f825cb9ee508115f94e8a.zip | |
mfd: twl-core: Improve the documentation
Saying it "returns the result" seems tautological. The read function
does not return num_bytes on success, it returns zero on success. I
noticed this discrepancy because some of the callers were checking for
>= 0.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/twl-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 2a09dde4ca6e..d3133a371e27 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -448,7 +448,7 @@ static struct regmap *twl_get_regmap(u8 mod_no) * @reg: register address (just offset will do) * @num_bytes: number of bytes to transfer * - * Returns the result of operation - 0 is success + * Returns 0 on success or else a negative error code. */ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) { @@ -476,7 +476,7 @@ EXPORT_SYMBOL(twl_i2c_write); * @reg: register address (just offset will do) * @num_bytes: number of bytes to transfer * - * Returns result of operation - num_bytes is success else failure. + * Returns 0 on success or else a negative error code. */ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) { |