Re: [PATCH v3 04/12] scsi: ufs: core: Add support for TX Equalization

[Bart Van Assche <bvanassche@acm.org>]

On 3/14/26 2:33 AM, Can Guo wrote:
> 
> 
> On 3/14/2026 4:19 PM, Can Guo wrote:
>>
>>
>> On 3/14/2026 6:19 AM, Bart Van Assche wrote:
>>> On 3/8/26 8:14 AM, Can Guo wrote:
>>>> +static int txeq_gear_set(const char *val, const struct kernel_param 
>>>> *kp)
>>>> +{
>>>> +    return param_set_uint_minmax(val, kp, UFS_HS_G1, UFS_HS_G6);
>>>> +}
>>>
>>> Why UFS_HS_G6 instead of UFS_HS_GEAR_MAX?
>> I will use 'UFS_HS_GEAR_MAX - 1' in next version.
> On second thought, to make the code more readable and scalable, I will 
> use UFS_HS_GEAR_MAX
> here. To achieve so, I am going to tweak the code like below:
> 
> enum ufs_hs_gear_tag {
>          UFS_HS_DONT_CHANGE,     /* Don't change Gear */
>          UFS_HS_G1,              /* HS Gear 1 (default for reset) */
>          UFS_HS_G2,              /* HS Gear 2 */
>          UFS_HS_G3,              /* HS Gear 3 */
>          UFS_HS_G4,              /* HS Gear 4 */
>          UFS_HS_G5,              /* HS Gear 5 */
> +      UFS_HS_G6,              /* HS Gear 6 */
> +      UFS_HS_GEAR_MAX_INVALID,
> };
> +
> + #define UFS_HS_GEAR_MAX         UFS_HS_GEAR_MAX_INVALID - 1
Will UFS_HS_GEAR_MAX_INVALID be used anywhere? If not, please leave it
out and add the following past UFS_HS_G6 instead of just
"UFS_HS_GEAR_MAX":

	UFS_HS_GEAR_MAX = UFS_HS_G6,

Thanks,

Bart.