Messages in this thread Patch in this message | | | From | Jim Quinlan <> | Subject | [PATCH v7 02/12] ata: ahci_brcm: Fix use of BCM7216 reset controller | Date | Wed, 8 Jul 2020 15:31:55 -0400 |
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From: Jim Quinlan <jquinlan@broadcom.com>
A reset controller "rescal" is shared between the AHCI driver and the PCIe driver for the BrcmSTB 7216 chip. Use devm_reset_control_get_optional_shared() to handle this sharing.
Signed-off-by: Jim Quinlan <jquinlan@broadcom.com>
Fixes: 272ecd60a636 ("ata: ahci_brcm: BCM7216 reset is self de-asserting") Fixes: c345ec6a50e9 ("ata: ahci_brcm: Support BCM7216 reset controller name") --- drivers/ata/ahci_brcm.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c index 6853dbb4131d..d6115bc04b09 100644 --- a/drivers/ata/ahci_brcm.c +++ b/drivers/ata/ahci_brcm.c @@ -428,7 +428,6 @@ static int brcm_ahci_probe(struct platform_device *pdev) { const struct of_device_id *of_id; struct device *dev = &pdev->dev; - const char *reset_name = NULL; struct brcm_ahci_priv *priv; struct ahci_host_priv *hpriv; struct resource *res; @@ -452,11 +451,10 @@ static int brcm_ahci_probe(struct platform_device *pdev) /* Reset is optional depending on platform and named differently */ if (priv->version == BRCM_SATA_BCM7216) - reset_name = "rescal"; + priv->rcdev = devm_reset_control_get_optional_shared(&pdev->dev, "rescal"); else - reset_name = "ahci"; + priv->rcdev = devm_reset_control_get_optional(&pdev->dev, "ahci"); - priv->rcdev = devm_reset_control_get_optional(&pdev->dev, reset_name); if (IS_ERR(priv->rcdev)) return PTR_ERR(priv->rcdev); @@ -479,10 +477,7 @@ static int brcm_ahci_probe(struct platform_device *pdev) break; } - if (priv->version == BRCM_SATA_BCM7216) - ret = reset_control_reset(priv->rcdev); - else - ret = reset_control_deassert(priv->rcdev); + ret = reset_control_deassert(priv->rcdev); if (ret) return ret; -- 2.17.1
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