ASoC: amd: ACP needs to be powered off in BIOS.

Removed this logic because It is BIOS which needs to
power off the ACP power domian through ACP_PGFSM_CTRL
register when you De-initialize ACP Engine.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
Link: https://lore.kernel.org/r/1581935964-15059-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index 65330bb..da60e2e 100644 (file)
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -45,23 +45,6 @@ static int acp3x_power_on(void __iomem *acp3x_base)
        return -ETIMEDOUT;
 }
 
-static int acp3x_power_off(void __iomem *acp3x_base)
-{
-       u32 val;
-       int timeout;
-
-       rv_writel(ACP_PGFSM_CNTL_POWER_OFF_MASK,
-                       acp3x_base + mmACP_PGFSM_CONTROL);
-       timeout = 0;
-       while (++timeout < 500) {
-               val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS);
-               if ((val & ACP_PGFSM_STATUS_MASK) == ACP_POWERED_OFF)
-                       return 0;
-               udelay(1);
-       }
-       return -ETIMEDOUT;
-}
-
 static int acp3x_reset(void __iomem *acp3x_base)
 {
        u32 val;
@@ -115,12 +98,6 @@ static int acp3x_deinit(void __iomem *acp3x_base)
                pr_err("ACP3x reset failed\n");
                return ret;
        }
-       /* power off */
-       ret = acp3x_power_off(acp3x_base);
-       if (ret) {
-               pr_err("ACP3x power off failed\n");
-               return ret;
-       }
        return 0;
 }