diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2019-03-19 14:52:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-03-19 15:39:43 +0300 |
| commit | 2b0ee49f129cf3e9885f8d83439024e8116b865c (patch) | |
| tree | 8f43e90c1def7bff9ef84e2b695585d4e75b2046 /sound/soc/codecs/wm_adsp.c | |
| parent | c77526851ded02137742df1ebae725fc16ee5e50 (diff) | |
| download | linux-2b0ee49f129cf3e9885f8d83439024e8116b865c.tar.xz | |
ASoC: wm_adsp: Don't export wm_adsp2_lock
This function is not presently called from outside the adsp code and nor
should it be, as such stop exporting it.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
| -rw-r--r-- | sound/soc/codecs/wm_adsp.c | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 5608ed5decca..a9542a56b19e 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -2622,6 +2622,36 @@ static int wm_adsp2_ena(struct wm_adsp *dsp) return 0; } +static int wm_adsp2_lock(struct wm_adsp *dsp, unsigned int lock_regions) +{ + struct regmap *regmap = dsp->regmap; + unsigned int code0, code1, lock_reg; + + if (!(lock_regions & WM_ADSP2_REGION_ALL)) + return 0; + + lock_regions &= WM_ADSP2_REGION_ALL; + lock_reg = dsp->base + ADSP2_LOCK_REGION_1_LOCK_REGION_0; + + while (lock_regions) { + code0 = code1 = 0; + if (lock_regions & BIT(0)) { + code0 = ADSP2_LOCK_CODE_0; + code1 = ADSP2_LOCK_CODE_1; + } + if (lock_regions & BIT(1)) { + code0 |= ADSP2_LOCK_CODE_0 << ADSP2_LOCK_REGION_SHIFT; + code1 |= ADSP2_LOCK_CODE_1 << ADSP2_LOCK_REGION_SHIFT; + } + regmap_write(regmap, lock_reg, code0); + regmap_write(regmap, lock_reg, code1); + lock_regions >>= 2; + lock_reg += 2; + } + + return 0; +} + static void wm_adsp2_boot_work(struct work_struct *work) { struct wm_adsp *dsp = container_of(work, @@ -3890,37 +3920,6 @@ int wm_adsp_compr_copy(struct snd_compr_stream *stream, char __user *buf, } EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); -int wm_adsp2_lock(struct wm_adsp *dsp, unsigned int lock_regions) -{ - struct regmap *regmap = dsp->regmap; - unsigned int code0, code1, lock_reg; - - if (!(lock_regions & WM_ADSP2_REGION_ALL)) - return 0; - - lock_regions &= WM_ADSP2_REGION_ALL; - lock_reg = dsp->base + ADSP2_LOCK_REGION_1_LOCK_REGION_0; - - while (lock_regions) { - code0 = code1 = 0; - if (lock_regions & BIT(0)) { - code0 = ADSP2_LOCK_CODE_0; - code1 = ADSP2_LOCK_CODE_1; - } - if (lock_regions & BIT(1)) { - code0 |= ADSP2_LOCK_CODE_0 << ADSP2_LOCK_REGION_SHIFT; - code1 |= ADSP2_LOCK_CODE_1 << ADSP2_LOCK_REGION_SHIFT; - } - regmap_write(regmap, lock_reg, code0); - regmap_write(regmap, lock_reg, code1); - lock_regions >>= 2; - lock_reg += 2; - } - - return 0; -} -EXPORT_SYMBOL_GPL(wm_adsp2_lock); - static void wm_adsp_fatal_error(struct wm_adsp *dsp) { struct wm_adsp_compr *compr; |