[PATCH V4 03/11] soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock

From: John Crispin
Date: Wed Jan 27 2016 - 06:32:11 EST


Split init_reg_clock up into SoC specific callbacks. The patch also
reorders the code to avoid the need for callback function prototypes.

Signed-off-by: John Crispin <blogic@xxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 70 ++++++++++++++++++----------------
1 file changed, 38 insertions(+), 32 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 340c4b5..b22b664 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -354,24 +354,6 @@ enum pwrap_type {
PWRAP_MT8173,
};

-struct pmic_wrapper_type {
- int *regs;
- enum pwrap_type type;
- u32 arb_en_all;
-};
-
-static struct pmic_wrapper_type pwrap_mt8135 = {
- .regs = mt8135_regs,
- .type = PWRAP_MT8135,
- .arb_en_all = 0x1ff,
-};
-
-static struct pmic_wrapper_type pwrap_mt8173 = {
- .regs = mt8173_regs,
- .type = PWRAP_MT8173,
- .arb_en_all = 0x3f,
-};
-
struct pmic_wrapper {
struct device *dev;
void __iomem *base;
@@ -385,6 +367,13 @@ struct pmic_wrapper {
void __iomem *bridge_base;
};

+struct pmic_wrapper_type {
+ int *regs;
+ enum pwrap_type type;
+ u32 arb_en_all;
+ int (*init_reg_clock)(struct pmic_wrapper *wrp);
+};
+
static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
{
return wrp->master->type == PWRAP_MT8135;
@@ -578,20 +567,23 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp)
return 0;
}

-static int pwrap_init_reg_clock(struct pmic_wrapper *wrp)
+static int pwrap_mt8135_init_reg_clock(struct pmic_wrapper *wrp)
{
- if (pwrap_is_mt8135(wrp)) {
- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
- pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
- } else {
- pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
- pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
- pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
- }
+ pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
+ pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+ pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
+ pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
+
+ return 0;
+}
+
+static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp)
+{
+ pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+ pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);

return 0;
}
@@ -699,7 +691,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)

pwrap_writel(wrp, 1, PWRAP_WACS2_EN);

- ret = pwrap_init_reg_clock(wrp);
+ ret = wrp->master->init_reg_clock(wrp);
if (ret)
return ret;

@@ -814,6 +806,20 @@ static const struct regmap_config pwrap_regmap_config = {
.max_register = 0xffff,
};

+static struct pmic_wrapper_type pwrap_mt8135 = {
+ .regs = mt8135_regs,
+ .type = PWRAP_MT8135,
+ .arb_en_all = 0x1ff,
+ .init_reg_clock = pwrap_mt8135_init_reg_clock,
+};
+
+static struct pmic_wrapper_type pwrap_mt8173 = {
+ .regs = mt8173_regs,
+ .type = PWRAP_MT8173,
+ .arb_en_all = 0x3f,
+ .init_reg_clock = pwrap_mt8173_init_reg_clock,
+};
+
static struct of_device_id of_pwrap_match_tbl[] = {
{
.compatible = "mediatek,mt8135-pwrap",
--
1.7.10.4