On 09/21/2017 10:26 AM, sean.wang@xxxxxxxxxxxx wrote:
From: Sean Wang <sean.wang@xxxxxxxxxxxx>
pwrap initialization is highly associated with the base SoC, so
update here for allowing pwrap_init without slave program which would be
used to those PMICs without extra encryption on bus such as MT6380.
Signed-off-by: Chenglin Xu <chenglin.xu@xxxxxxxxxxxx>
Signed-off-by: Chen Zhong <chen.zhong@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 91 +++++++++++++++++++++---------------
1 file changed, 54 insertions(+), 37 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 27d7ccc..9c6d855 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -531,6 +531,7 @@ struct pmic_wrapper_type {
u32 spi_w;
u32 wdt_src;
int has_bridge:1;
+ int slv_program:1;
int (*init_reg_clock)(struct pmic_wrapper *wrp);
int (*init_soc_specific)(struct pmic_wrapper *wrp);
};
@@ -999,9 +1000,12 @@ static int pwrap_init(struct pmic_wrapper *wrp)
}
/* Reset SPI slave */
- ret = pwrap_reset_spislave(wrp);
- if (ret)
- return ret;
+
+ if (wrp->master->slv_program) {
+ ret = pwrap_reset_spislave(wrp);
+ if (ret)
+ return ret;
+ }
pwrap_writel(wrp, 1, PWRAP_WRAP_EN);
@@ -1013,45 +1017,52 @@ static int pwrap_init(struct pmic_wrapper *wrp)
if (ret)
return ret;
- /* Setup serial input delay */
- ret = pwrap_init_sidly(wrp);
- if (ret)
- return ret;
+ if (wrp->master->slv_program) {
This if branch is really long and complex enough to put it into function apart.
Thanks,
Matthias
PD please take into account the comments I made on v3 of the series.
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