Re: [PATCH v2] mfd: Add specific compatible strings for Qualcomm's SPMI PMIC's
From: Stephen Boyd
Date: Wed Mar 04 2015 - 14:01:44 EST
On 03/04/15 02:19, Ivan T. Ivanov wrote:
> diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
> index 4b8beb2..a1af4e5 100644
> --- a/drivers/mfd/qcom-spmi-pmic.c
> +++ b/drivers/mfd/qcom-spmi-pmic.c
>
> +
> +static void pmic_spmi_show_revid(struct regmap *map, struct device *dev)
> +{
> + unsigned int rev2, minor, major, type, subtype;
> + int ret;
> +
> + ret = regmap_read(map, PMIC_TYPE, &type);
> + if (ret < 0)
> + return;
> +
> + if (type != PMIC_TYPE_VALUE)
> + return;
> +
> + ret = regmap_read(map, PMIC_SUBTYPE, &subtype);
> + if (ret < 0)
> + return;
> +
> + if (subtype > ARRAY_SIZE(pmic_spmi_id_table))
> + return;
> +
> + rev2 = regmap_read(map, PMIC_REV2, &rev2);
ret = ?
> + if (rev2 < 0)
if (ret < 0) ?
> + return;
> +
> + minor = regmap_read(map, PMIC_REV3, &minor);
> + if (minor < 0)
> + return;
same comment
> +
> + major = regmap_read(map, PMIC_REV4, &major);
> + if (major < 0)
> + return;
same comment
> +
> + /*
> + * In early versions of PM8941 and PM8226, the major revision number
> + * started incrementing from 0 (eg 0 = v1.0, 1 = v2.0).
> + * Increment the major revision number here if the chip is an early
> + * version of PM8941 or PM8226.
> + */
> + if ((subtype == PM8941_SUBTYPE || subtype == PM8226_SUBTYPE) &&
> + major < 0x02)
> + major++;
> +
> + if (subtype == PM8110_SUBTYPE)
> + minor = rev2;
> +
> + dev_info(dev, "%s-v%d.%d detected\n",
> + pmic_spmi_id_table[subtype].compatible, major, minor);
> +}
>
I wonder if this should be dev_dbg.
--
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