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authorFlorian Fainelli <f.fainelli@gmail.com>2020-01-17 15:53:12 -0800
committerJens Axboe <axboe@kernel.dk>2020-01-17 17:14:18 -0700
commit1a0600d112e32eac893d2120207da7887f345495 (patch)
tree2c25a9b70808924363852dbdf7590fef73590016 /drivers/ata/ahci_brcm.c
parent6fedae3cad8b122c8b0afb26a0569d9910255edd (diff)
ata: ahci_brcm: Perform reset after obtaining resources
Resources such as clocks, PHYs, regulators are likely to get a probe deferral return code, which could lead to the AHCI controller being reset a few times until it gets successfully probed. Since this is typically the most time consuming operation, move it after the resources have been acquired. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/ahci_brcm.c')
-rw-r--r--drivers/ata/ahci_brcm.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c
index 7ac1141c6ad0..e32c8fe729ff 100644
--- a/drivers/ata/ahci_brcm.c
+++ b/drivers/ata/ahci_brcm.c
@@ -456,13 +456,9 @@ static int brcm_ahci_probe(struct platform_device *pdev)
if (IS_ERR(priv->rcdev))
return PTR_ERR(priv->rcdev);
- reset_control_deassert(priv->rcdev);
-
hpriv = ahci_platform_get_resources(pdev, 0);
- if (IS_ERR(hpriv)) {
- ret = PTR_ERR(hpriv);
- goto out_reset;
- }
+ if (IS_ERR(hpriv))
+ return PTR_ERR(hpriv);
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP | AHCI_HFLAG_NO_WRITE_TO_RO;
@@ -479,6 +475,10 @@ static int brcm_ahci_probe(struct platform_device *pdev)
break;
}
+ ret = reset_control_deassert(priv->rcdev);
+ if (ret)
+ return ret;
+
ret = ahci_platform_enable_clks(hpriv);
if (ret)
goto out_reset;