Re: [PATCH v2 2/3] wifi: iwlwifi: dt: add Device Tree BIOS configuration infrastructure

[Krzysztof Kozlowski <krzk@kernel.org>]

On 12/05/2026 12:03, Bhatt, Avinash wrote:
> Hi Krzysztof,
> 
> Thank you for the review. Please find our response inline below.
> We have made several changes in the driver as part of v3 and will be
> sending it shortly.
> 
> On Mon, May 04, 2026 at 12:53:26PM +0300, Krzysztof Kozlowski wrote:
>> +static const char *dsm_func_to_prop_name(enum iwl_dsm_funcs func) {
>> +	switch (func) {
>> +	case DSM_FUNC_DISABLE_SRD:          return IWL_DT_PROP_SRD;
>> +	case DSM_FUNC_ENABLE_6E:            return IWL_DT_PROP_6E_UHB;
>> ...
>>
>> Pointless function and only making DT ABI checks difficult. Drop.
>> Don't invent API wrappers or other HAL over simple calls to OF or
>> device API.
>> Drop also ALL defines and use OF API like EVERY other driver.
> 
> Fixed in v3. Removed dsm_func_to_prop_name() and all IWL_DT_PROP_*
> defines. iwl_dt_get_dsm() now dispatches via a direct switch on the
> function index to individual per-property functions (iwl_dt_get_srd(),
> iwl_dt_get_6e_uhb(), etc.), each calling of_property_read_*() directly
> with the literal property string — consistent with how every other
> driver uses the OF API.
> 
> Best Regards,
> Avinash
> 
> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@kernel.org> 
> Sent: 05 May 2026 14:48
> To: Bhatt, Avinash <avinash.bhatt@intel.com>
> Cc: devicetree@vger.kernel.org; linux-wireless@vger.kernel.org; robh@kernel.org; krzk+dt@kernel.org; conor+dt@kernel.org; johannes@sipsolutions.net; Korenblit, Miriam Rachel <miriam.rachel.korenblit@intel.com>; linux-kernel@vger.kernel.org; Guetta, Kobi <kobi.guetta@intel.com>; Grumbach, Emmanuel <emmanuel.grumbach@intel.com>
> Subject: Re: [PATCH v2 2/3] wifi: iwlwifi: dt: add Device Tree BIOS configuration infrastructure
> 
> On Mon, May 04, 2026 at 12:53:26PM +0300, Avinash Bhatt wrote:
>> +
>> +/*
>> + * Mapping from DSM function index to Device Tree property name.
>> + * Returns the DT property name for a given DSM function, or NULL if 
>> +the
>> + * function has no Device Tree representation.
>> + */
>> +static const char *dsm_func_to_prop_name(enum iwl_dsm_funcs func) {
>> +	switch (func) {
>> +	case DSM_FUNC_DISABLE_SRD:          return IWL_DT_PROP_SRD;
>> +	case DSM_FUNC_ENABLE_6E:            return IWL_DT_PROP_6E_UHB;
>> +	case DSM_FUNC_REGULATORY_CONFIG:    return IWL_DT_PROP_REG_SPECIAL;
>> +	case DSM_FUNC_ACTIVATE_CHANNEL:     return IWL_DT_PROP_ACTIVATE_CH;
>> +	case DSM_FUNC_FORCE_DISABLE_CHANNELS:
>> +		return IWL_DT_PROP_FORCE_DISABLE_CH;
>> +	case DSM_FUNC_ENABLE_11BE:          return IWL_DT_PROP_11BE;
>> +	default:                            return NULL;
> 
> Pointless function and only making DT ABI checks difficult. Drop.
> 
> Don't invent API wrappers or other HAL over simple calls to OF or device API.
> 
> Drop also ALL defines and use OF API like EVERY other driver. This is not a special place.
> 

What is this style of answering? Am I replying now to my own email?

Best regards,
Krzysztof