ata: ahci_brcm: Allow optional reset controller to be used (2b2c47d9) · Commits · 戴 / test

drivers/ata/ahci_brcm.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <linux/module.h>
		#include <linux/of.h>
		#include <linux/platform_device.h>
		#include <linux/reset.h>
		#include <linux/string.h>

		#include "ahci.h"
		@@ -94,6 +95,7 @@ struct brcm_ahci_priv {
		u32 port_mask;
		u32 quirks;
		enum brcm_ahci_version version;
		struct reset_control *rcdev;
		};

		static inline u32 brcm_sata_readreg(void __iomem *addr)
		@@ -411,6 +413,11 @@ static int brcm_ahci_probe(struct platform_device *pdev)
		if (IS_ERR(priv->top_ctrl))
		return PTR_ERR(priv->top_ctrl);

		/* Reset is optional depending on platform */
		priv->rcdev = devm_reset_control_get(&pdev->dev, "ahci");
		if (!IS_ERR_OR_NULL(priv->rcdev))
		reset_control_deassert(priv->rcdev);

		if ((priv->version == BRCM_SATA_BCM7425) \|\|
		(priv->version == BRCM_SATA_NSP)) {
		priv->quirks \|= BRCM_AHCI_QUIRK_NO_NCQ;