On Tue, Nov 05, 2024 at 02:03:58PM +0000, Zicheng Qu wrote: > The phase register for the AD9834 is 12 bits, which means the valid > phase values range from 0 to 4095 (2^12 - 1). The current check uses a > greater-than condition with BIT(12), which equals 4096. This allows an > invalid phase value of 4096 to pass. > I tried to figure out how this looks like to the user but I didn't figure it out right away. Please add this information to the commit message. > This patch corrects the check to use greater-than-or-equal-to, ensuring > that only phase values within the valid range are accepted. > > Fixes: f1d05b5f68cb ("Staging: iio: Prefer using the BIT macro") The Fixes tag is wrong. It should be: Fixes: 12b9d5bf76bf ("Staging: IIO: DDS: AD9833 / AD9834 driver") regards, dan carpenter