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

From: Sergei Shtylyov
Date: Thu Jul 02 2020 - 05:32:42 EST


Hello!

On 02.07.2020 0:21, Jim Quinlan wrote:

From: Jim Quinlan <jquinlan@xxxxxxxxxxxx>

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"?


Signed-off-by: Jim Quinlan <jquinlan@xxxxxxxxxxxx>

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
[...]
@@ -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