From 1a0600d112e32eac893d2120207da7887f345495 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 17 Jan 2020 15:53:12 -0800 Subject: [PATCH] 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 Signed-off-by: Jens Axboe --- drivers/ata/ahci_brcm.c | 12 ++++++------ 1 file 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;