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mfd: exynos-lpass: Remove pad retention control

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Pad retention should be controlled from pin control driver, so remove it
from Exynos LPASS driver. After this change, no more access to PMU regmap
is needed, so remove also the code for handling PMU regmap.

Signed-off-by: Marek Szyprowski <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Sylwester Nawrocki <[email protected]>
Acked-by: Rob Herring <[email protected]>
Acked-for-MFD-by: Lee Jones <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Marek Szyprowski 2017-03-23 09:03:24 +01:00 • committed by Lee Jones
commit addebf1588
3 changed files with 0 additions and 21 deletions
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16
drivers/mfd/exynos-lpass.c
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@ -51,8 +51,6 @@
#define LPASS_INTR_SFR BIT(0)
struct exynos_lpass {
/* pointer to the Power Management Unit regmap */
struct regmap *pmu;
/* pointer to the LPASS TOP regmap */
struct regmap *top;
};
@ -81,10 +79,6 @@ static void exynos_lpass_enable(struct exynos_lpass *lpass)
regmap_write(lpass->top, SFR_LPASS_INTR_CPU_MASK,
LPASS_INTR_SFR | LPASS_INTR_DMA | LPASS_INTR_I2S);
/* Activate related PADs from retention state */
regmap_write(lpass->pmu, EXYNOS5433_PAD_RETENTION_AUD_OPTION,
EXYNOS_WAKEUP_FROM_LOWPWR);
exynos_lpass_core_sw_reset(lpass, LPASS_I2S_SW_RESET);
exynos_lpass_core_sw_reset(lpass, LPASS_DMA_SW_RESET);
exynos_lpass_core_sw_reset(lpass, LPASS_MEM_SW_RESET);
@ -95,9 +89,6 @@ static void exynos_lpass_disable(struct exynos_lpass *lpass)
/* Mask any unmasked IP interrupt sources */
regmap_write(lpass->top, SFR_LPASS_INTR_CPU_MASK, 0);
regmap_write(lpass->top, SFR_LPASS_INTR_CA5_MASK, 0);
/* Deactivate related PADs from retention state */
regmap_write(lpass->pmu, EXYNOS5433_PAD_RETENTION_AUD_OPTION, 0);
}
static const struct regmap_config exynos_lpass_reg_conf = {
@ -131,13 +122,6 @@ static int exynos_lpass_probe(struct platform_device *pdev)
return PTR_ERR(lpass->top);
}
lpass->pmu = syscon_regmap_lookup_by_phandle(dev->of_node,
"samsung,pmu-syscon");
if (IS_ERR(lpass->pmu)) {
dev_err(dev, "Failed to lookup PMU regmap\n");
return PTR_ERR(lpass->pmu);
}
platform_set_drvdata(pdev, lpass);
exynos_lpass_enable(lpass);