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authorFlorian Fainelli <f.fainelli@gmail.com>2020-01-17 15:53:13 -0800
committerJens Axboe <axboe@kernel.dk>2020-01-17 17:14:20 -0700
commit272ecd60a636a8508997ff997ddfa143474e7c81 (patch)
treeb72cca8d35760645995b41bbf322a18f5b652f32 /drivers/ata
parent1a0600d112e32eac893d2120207da7887f345495 (diff)
downloadlinux-272ecd60a636a8508997ff997ddfa143474e7c81.tar.bz2
ata: ahci_brcm: BCM7216 reset is self de-asserting
The BCM7216 reset controller line is self-deasserting, unlike other platforms, so make use of reset_control_reset() instead of reset_control_deassert(). Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci_brcm.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c
index e32c8fe729ff..6853dbb4131d 100644
--- a/drivers/ata/ahci_brcm.c
+++ b/drivers/ata/ahci_brcm.c
@@ -352,7 +352,8 @@ static int brcm_ahci_suspend(struct device *dev)
else
ret = 0;
- reset_control_assert(priv->rcdev);
+ if (priv->version != BRCM_SATA_BCM7216)
+ reset_control_assert(priv->rcdev);
return ret;
}
@@ -364,7 +365,10 @@ static int __maybe_unused brcm_ahci_resume(struct device *dev)
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret = 0;
- ret = reset_control_deassert(priv->rcdev);
+ if (priv->version == BRCM_SATA_BCM7216)
+ ret = reset_control_reset(priv->rcdev);
+ else
+ ret = reset_control_deassert(priv->rcdev);
if (ret)
return ret;
@@ -475,7 +479,10 @@ static int brcm_ahci_probe(struct platform_device *pdev)
break;
}
- ret = reset_control_deassert(priv->rcdev);
+ if (priv->version == BRCM_SATA_BCM7216)
+ ret = reset_control_reset(priv->rcdev);
+ else
+ ret = reset_control_deassert(priv->rcdev);
if (ret)
return ret;
@@ -520,7 +527,8 @@ out_disable_phys:
out_disable_clks:
ahci_platform_disable_clks(hpriv);
out_reset:
- reset_control_assert(priv->rcdev);
+ if (priv->version != BRCM_SATA_BCM7216)
+ reset_control_assert(priv->rcdev);
return ret;
}