[PATCH V4 09/11] soc: mediatek: PMIC wrap: add a slave specific struct
Henry Chen
henryc.chen at mediatek.com
Mon Feb 1 00:38:01 PST 2016
On Mon, 2016-02-01 at 09:25 +0100, John Crispin wrote:
>
> On 28/01/2016 03:37, Henry Chen wrote:
> > Hi John,
> >
> > On Wed, 2016-01-27 at 12:29 +0100, John Crispin wrote:
> >
> >> @@ -746,7 +786,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
> >> pwrap_writel(wrp, 1, PWRAP_DIO_EN);
> >>
> >> /* Read Test */
> >> - pwrap_read(wrp, PWRAP_DEW_READ_TEST, &rdata);
> >> + pwrap_dew_read(wrp, PWRAP_DEW_READ_TEST, &rdata);
> >> if (rdata != PWRAP_DEW_READ_TEST_VAL) {
> >> dev_err(wrp->dev, "Read test failed after switch to DIO mode: 0x%04x != 0x%04x\n",
> >> PWRAP_DEW_READ_TEST_VAL, rdata);
> >> @@ -759,12 +799,13 @@ static int pwrap_init(struct pmic_wrapper *wrp)
> >> return ret;
> >>
> >> /* Signature checking - using CRC */
> >> - if (pwrap_write(wrp, PWRAP_DEW_CRC_EN, 0x1))
> >> + if (pwrap_dew_write(wrp, PWRAP_DEW_CRC_EN, 0x1))
> >> return -EFAULT;
> >>
> >> pwrap_writel(wrp, 0x1, PWRAP_CRC_EN);
> >> pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE);
> >> - pwrap_writel(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR);
> >> + pwrap_writel(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_VAL],
> >> + PWRAP_SIG_ADR);
> >
> > It should be "pwrap_dew_write(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR);",
> > right?
> >
> > Henry
> >
>
> Hi Henry,
>
> i stumbled across this aswell. however this DEW access is direct using
> pwrap_writel() and not indirect pwrap_write(). hence this is correct.
> the DEW wrapper only exists for pwrap_write() style access. this might
> have been a bug in the original commit.
>
> this patch however keeps the functionality as is.
>
> John
Hi John,
Oh. Sorry, there is no need to change, I just mixed up the parameter
val/reg of pwrap_writel() of this line.
Please keep original code, thanks.
Henry
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