Commit c3f7d1fc authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Martin K. Petersen
Browse files

scsi: ufshcd: use an enum for quirks

Use an enum to specify the various quirks instead of #defines inside the
structure definition.

[mkp: fix typo]

Link: https://lore.kernel.org/r/20200221140812.476338-3-hch@lst.de


Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 49200199
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+42 −40
Original line number Diff line number Diff line
@@ -470,6 +470,48 @@ struct ufs_stats {
	struct ufs_err_reg_hist task_abort;
};

enum ufshcd_quirks {
	/* Interrupt aggregation support is broken */
	UFSHCD_QUIRK_BROKEN_INTR_AGGR			= 1 << 0,

	/*
	 * delay before each dme command is required as the unipro
	 * layer has shown instabilities
	 */
	UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS		= 1 << 1,

	/*
	 * If UFS host controller is having issue in processing LCC (Line
	 * Control Command) coming from device then enable this quirk.
	 * When this quirk is enabled, host controller driver should disable
	 * the LCC transmission on UFS device (by clearing TX_LCC_ENABLE
	 * attribute of device to 0).
	 */
	UFSHCD_QUIRK_BROKEN_LCC				= 1 << 2,

	/*
	 * The attribute PA_RXHSUNTERMCAP specifies whether or not the
	 * inbound Link supports unterminated line in HS mode. Setting this
	 * attribute to 1 fixes moving to HS gear.
	 */
	UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP		= 1 << 3,

	/*
	 * This quirk needs to be enabled if the host controller only allows
	 * accessing the peer dme attributes in AUTO mode (FAST AUTO or
	 * SLOW AUTO).
	 */
	UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE		= 1 << 4,

	/*
	 * This quirk needs to be enabled if the host controller doesn't
	 * advertise the correct version in UFS_VER register. If this quirk
	 * is enabled, standard UFS host driver will call the vendor specific
	 * ops (get_ufs_hci_version) to get the correct version.
	 */
	UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION		= 1 << 5,
};

/**
 * struct ufs_hba - per adapter private structure
 * @mmio_base: UFSHCI base register address
@@ -573,46 +615,6 @@ struct ufs_hba {
	bool is_irq_enabled;
	enum ufs_ref_clk_freq dev_ref_clk_freq;

	/* Interrupt aggregation support is broken */
	#define UFSHCD_QUIRK_BROKEN_INTR_AGGR			0x1

	/*
	 * delay before each dme command is required as the unipro
	 * layer has shown instabilities
	 */
	#define UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS		0x2

	/*
	 * If UFS host controller is having issue in processing LCC (Line
	 * Control Command) coming from device then enable this quirk.
	 * When this quirk is enabled, host controller driver should disable
	 * the LCC transmission on UFS device (by clearing TX_LCC_ENABLE
	 * attribute of device to 0).
	 */
	#define UFSHCD_QUIRK_BROKEN_LCC				0x4

	/*
	 * The attribute PA_RXHSUNTERMCAP specifies whether or not the
	 * inbound Link supports unterminated line in HS mode. Setting this
	 * attribute to 1 fixes moving to HS gear.
	 */
	#define UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP		0x8

	/*
	 * This quirk needs to be enabled if the host contoller only allows
	 * accessing the peer dme attributes in AUTO mode (FAST AUTO or
	 * SLOW AUTO).
	 */
	#define UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE		0x10

	/*
	 * This quirk needs to be enabled if the host contoller doesn't
	 * advertise the correct version in UFS_VER register. If this quirk
	 * is enabled, standard UFS host driver will call the vendor specific
	 * ops (get_ufs_hci_version) to get the correct version.
	 */
	#define UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION		0x20

	unsigned int quirks;	/* Deviations from standard UFSHCI spec. */

	/* Device deviations from standard UFS device spec. */