[libata] ahci_platform: Add the board_ids and pi refer to different features (904c04fe) · Commits · 戴 / test

drivers/ata/ahci_platform.c

+38 −6

Original line number	Diff line number	Diff line
		@@ -23,20 +23,51 @@
		#include <linux/ahci_platform.h>
		#include "ahci.h"

		static struct scsi_host_template ahci_platform_sht = {
		AHCI_SHT("ahci_platform"),
		enum ahci_type {
		AHCI, /* standard platform ahci */
		IMX53_AHCI, /* ahci on i.mx53 */
		};

		static int __init ahci_probe(struct platform_device *pdev)
		static struct platform_device_id ahci_devtype[] = {
		{
		struct device *dev = &pdev->dev;
		struct ahci_platform_data *pdata = dev->platform_data;
		struct ata_port_info pi = {
		.name = "ahci",
		.driver_data = AHCI,
		}, {
		.name = "imx53-ahci",
		.driver_data = IMX53_AHCI,
		}, {
		/* sentinel */
		}
		};
		MODULE_DEVICE_TABLE(platform, ahci_devtype);


		static const struct ata_port_info ahci_port_info[] = {
		/* by features */
		[AHCI] = {
		.flags = AHCI_FLAG_COMMON,
		.pio_mask = ATA_PIO4,
		.udma_mask = ATA_UDMA6,
		.port_ops = &ahci_ops,
		},
		[IMX53_AHCI] = {
		.flags = AHCI_FLAG_COMMON,
		.pio_mask = ATA_PIO4,
		.udma_mask = ATA_UDMA6,
		.port_ops = &ahci_pmp_retry_srst_ops,
		},
		};

		static struct scsi_host_template ahci_platform_sht = {
		AHCI_SHT("ahci_platform"),
		};

		static int __init ahci_probe(struct platform_device *pdev)
		{
		struct device *dev = &pdev->dev;
		struct ahci_platform_data *pdata = dev->platform_data;
		const struct platform_device_id *id = platform_get_device_id(pdev);
		struct ata_port_info pi = ahci_port_info[id->driver_data];
		const struct ata_port_info *ppi[] = { &pi, NULL };
		struct ahci_host_priv *hpriv;
		struct ata_host *host;
		@@ -177,6 +208,7 @@ static struct platform_driver ahci_driver = {
		.name = "ahci",
		.owner = THIS_MODULE,
		},
		.id_table = ahci_devtype,
		};

		static int __init ahci_init(void)

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