Thread (4 messages) 4 messages, 2 authors, 2020-07-06

Re: [PATCH v6 02/12] ata: ahci_brcm: Fix use of BCM7216 reset controller

From: Sergei Shtylyov <hidden>
Date: 2020-07-02 09:32:42
Also in: linux-pci, lkml

Hello!

On 02.07.2020 0:21, Jim Quinlan wrote:
From: Jim Quinlan <redacted>

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 control() to handle this sharing.
    Not "devm_reset_control_get_optional_shared() control"?
quoted hunk ↗ jump to hunk
Signed-off-by: Jim Quinlan <redacted>

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
[...]
quoted hunk ↗ jump to hunk
@@ -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);
  
[...]

MBR, Sergei
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