The 08/30/2022 13:08, Srinivas Kandagatla wrote:
>
> > +static inline void lan9662_writel(void __iomem *addr, u32 val)
> > +{
> > + writel(val, addr);
> > +}
> > +
> > +static inline u32 lan9662_readl(void __iomem *addr)
> > +{
> > + return readl(addr);
> > +}
> > +
>
> Why these boiler plate functions?
It was more for the style purpose. I will remove these ones.
>
> > +static inline void lan9662_clrbits(void __iomem *addr, u32 clear)
> > +{
> > + writel(readl(addr) & ~clear, addr);
> > +}
> > +
> > +static inline void lan9662_setbits(void __iomem *addr, u32 set)
> > +{
> > + writel(readl(addr) | set, addr);
> > +}
>
> These two functions are called just once and I see no point in having a
> wrapper function for this, instead you could use them directly or use
> ./include/linux/bitfield.h helper macros.
I will remove also these ones and use them directly.
>
> > +
> > +static bool lan9662_otp_wait_flag_clear(void __iomem *reg, u32 flag)
> > +{
> > + u32 val;
> > +
> > + return readl_poll_timeout(reg, val, !(val & flag),
> > + OTP_SLEEP_US, OTP_TIMEOUT_US);
> > +}
> > +
> > +static int lan9662_otp_power(struct lan9662_otp *otp, bool up)
> > +{
> > + if (up) {
> > + lan9662_clrbits(OTP_OTP_PWR_DN(otp->base),
> > + OTP_OTP_PWR_DN_OTP_PWRDN_N);
> > + if (lan9662_otp_wait_flag_clear(OTP_OTP_STATUS(otp->base),
> > + OTP_OTP_STATUS_OTP_CPUMPEN))
> > + return -ETIMEDOUT;
> > + } else {
> > + lan9662_setbits(OTP_OTP_PWR_DN(otp->base),
> > + OTP_OTP_PWR_DN_OTP_PWRDN_N);
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +static int lan9662_otp_execute(struct lan9662_otp *otp)
> > +{
> > + if (lan9662_otp_wait_flag_clear(OTP_OTP_CMD_GO(otp->base),
> > + OTP_OTP_CMD_GO_OTP_GO))
> > + return -ETIMEDOUT;
> > +
> > + if (lan9662_otp_wait_flag_clear(OTP_OTP_STATUS(otp->base),
> > + OTP_OTP_STATUS_OTP_BUSY))
> > + return -ETIMEDOUT;
> > +
> > + return 0;
> > +}
> > +
> > +static void lan9662_otp_set_address(struct lan9662_otp *otp, u32 offset)
> > +{
> > + WARN_ON(offset >= OTP_MEM_SIZE);
> > +
> would we ever hit this condition? looks like unecessary check.
That is not the case. I will remove it.
>
>
>
--
/Horatiu
