[PATCH V5 04/11] soc: mediatek: PMIC wrap: split SoC specific init into callback
Matthias Brugger
matthias.bgg at gmail.com
Thu Feb 11 03:54:28 PST 2016
On 07/02/16 11:42, John Crispin wrote:
> This patch moves the SoC specific wrapper init code into separate callback
> to avoid pwrap_init() getting too large.
>
Please explain a bit more, what the patch does.
> Signed-off-by: John Crispin <blogic at openwrt.org>
> ---
> Changes in V5
> * only check the return code of init_special() if the function is
> actually called
>
> drivers/soc/mediatek/mtk-pmic-wrap.c | 67 +++++++++++++++++++++-------------
> 1 file changed, 42 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> index b22b664..e3bbee5 100644
> --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> @@ -372,6 +372,7 @@ struct pmic_wrapper_type {
> enum pwrap_type type;
> u32 arb_en_all;
> int (*init_reg_clock)(struct pmic_wrapper *wrp);
> + int (*init_special)(struct pmic_wrapper *wrp);
Nit:
I wonder if we can find a better name for the callback, as init_special
sounds quite generic to me.
Thanks,
Matthias
> };
>
> static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
> @@ -665,6 +666,41 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
> return 0;
> }
>
> +static int pwrap_mt8135_init_special(struct pmic_wrapper *wrp)
> +{
> + /* enable pwrap events and pwrap bridge in AP side */
> + pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
> + pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
> + writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
> + writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
> + writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
> + writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
> + writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
> + writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
> + writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
> +
> + /* enable PMIC event out and sources */
> + if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
> + pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
> + dev_err(wrp->dev, "enable dewrap fail\n");
> + return -EFAULT;
> + }
> +
> + return 0;
> +}
> +
> +static int pwrap_mt8173_init_special(struct pmic_wrapper *wrp)
> +{
> + /* PMIC_DEWRAP enables */
> + if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
> + pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
> + dev_err(wrp->dev, "enable dewrap fail\n");
> + return -EFAULT;
> + }
> +
> + return 0;
> +}
> +
> static int pwrap_init(struct pmic_wrapper *wrp)
> {
> int ret;
> @@ -743,31 +779,10 @@ static int pwrap_init(struct pmic_wrapper *wrp)
> pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD);
> pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN);
>
> - if (pwrap_is_mt8135(wrp)) {
> - /* enable pwrap events and pwrap bridge in AP side */
> - pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
> - pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
> - writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
> - writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
> - writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
> - writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
> - writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
> - writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
> - writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
> -
> - /* enable PMIC event out and sources */
> - if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
> - pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
> - dev_err(wrp->dev, "enable dewrap fail\n");
> - return -EFAULT;
> - }
> - } else {
> - /* PMIC_DEWRAP enables */
> - if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
> - pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
> - dev_err(wrp->dev, "enable dewrap fail\n");
> - return -EFAULT;
> - }
> + if (wrp->master->init_special) {
> + ret = wrp->master->init_special(wrp);
> + if (ret)
> + return ret;
> }
>
> /* Setup the init done registers */
> @@ -811,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
> .type = PWRAP_MT8135,
> .arb_en_all = 0x1ff,
> .init_reg_clock = pwrap_mt8135_init_reg_clock,
> + .init_special = pwrap_mt8135_init_special,
> };
>
> static struct pmic_wrapper_type pwrap_mt8173 = {
> @@ -818,6 +834,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
> .type = PWRAP_MT8173,
> .arb_en_all = 0x3f,
> .init_reg_clock = pwrap_mt8173_init_reg_clock,
> + .init_special = pwrap_mt8173_init_special,
> };
>
> static struct of_device_id of_pwrap_match_tbl[] = {
>
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