| Message ID | 20210130173447.26328-4-vadimp@nvidia.com |
|---|---|
| State | New |
| Headers | show |
| Series | i2c: mux: mlxcpld: Extend driver functionality | expand |
Hi! On 2021-01-30 18:34, Vadim Pasternak wrote: > Rename mux ids array from 'adap_ids' to 'chan_ids'. > The motivation is to prepare infrastructure to be able to: > - Create only the child adapters which are actually needed - for which > channel ids are specified. > - To assign 'nrs' to these child adapters dynamically, with no 'nr' > enforcement. The series is starting to take shape! However, it's still bad to only change the name of adap_id to chan_id here. I.e., the division between 3/6 and 5/6 makes no sense at all. For as long as the variable is used to fill in the force_nr argument of i2c_mux_add_adapter, the name adap_id makes sense. It's only when the variable is used to fill in the chan_id argument of that function that the name chan_id makes more sense. See, it is not just a rename, in the end you have changed the meaning. You should change the name at the same time you change the semantics. I.e., this patch needs to include the parts of 5/6 that deals with argument two and three of the i2c_mux_add_adapter call (but not the parts that deal with the CPLD_MUX_MAX_NCHANS to pdata->num_adaps transition, I feel that should remain a separate patch). Cheers, Peter > Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> > --- > drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- > include/linux/platform_data/mlxcpld.h | 4 ++-- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > index 113ad84cdd94..9e9d74bd1059 100644 > --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c > +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > @@ -130,7 +130,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) > /* discard unconfigured channels */ > break; > > - force = pdata->adap_ids[num]; > + force = pdata->chan_ids[num]; > > err = i2c_mux_add_adapter(muxc, force, num, 0); > if (err) > diff --git a/include/linux/platform_data/mlxcpld.h b/include/linux/platform_data/mlxcpld.h > index e6c18bf017dd..04d93c563c04 100644 > --- a/include/linux/platform_data/mlxcpld.h > +++ b/include/linux/platform_data/mlxcpld.h > @@ -11,12 +11,12 @@ > /* Platform data for the CPLD I2C multiplexers */ > > /* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info > - * @adap_ids - adapter array > + * @chan_ids - channels array > * @num_adaps - number of adapters > * @sel_reg_addr - mux select register offset in CPLD space > */ > struct mlxcpld_mux_plat_data { > - int *adap_ids; > + int *chan_ids; > int num_adaps; > int sel_reg_addr; > }; >
diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c index 113ad84cdd94..9e9d74bd1059 100644 --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c @@ -130,7 +130,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) /* discard unconfigured channels */ break; - force = pdata->adap_ids[num]; + force = pdata->chan_ids[num]; err = i2c_mux_add_adapter(muxc, force, num, 0); if (err) diff --git a/include/linux/platform_data/mlxcpld.h b/include/linux/platform_data/mlxcpld.h index e6c18bf017dd..04d93c563c04 100644 --- a/include/linux/platform_data/mlxcpld.h +++ b/include/linux/platform_data/mlxcpld.h @@ -11,12 +11,12 @@ /* Platform data for the CPLD I2C multiplexers */ /* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info - * @adap_ids - adapter array + * @chan_ids - channels array * @num_adaps - number of adapters * @sel_reg_addr - mux select register offset in CPLD space */ struct mlxcpld_mux_plat_data { - int *adap_ids; + int *chan_ids; int num_adaps; int sel_reg_addr; };
Rename mux ids array from 'adap_ids' to 'chan_ids'. The motivation is to prepare infrastructure to be able to: - Create only the child adapters which are actually needed - for which channel ids are specified. - To assign 'nrs' to these child adapters dynamically, with no 'nr' enforcement. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> --- drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- include/linux/platform_data/mlxcpld.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)