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Commit 1148c3a7 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

[PATCH] libata: use local *id instead of dev->id in ata_dev_configure() 



dev->id is used many times in ata_dev_configure().  Use local variable
id instead for shorter notation.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 6e48f1b7

drivers/scsi/libata-core.c

+17 −16
Original line number Diff line number Diff line
@@ -1193,6 +1193,7 @@ static inline u8 ata_dev_knobble(const struct ata_port *ap, 
static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev,

			     int print_info)

{

	const u16 *id = dev->id;

	unsigned int xfer_mask;

	int i, rc;
@@ -1218,27 +1219,27 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, 
	 */



	/* we require DMA support (bits 8 of word 49) */

	if (!ata_id_has_dma(dev->id)) {

	if (!ata_id_has_dma(id)) {

		printk(KERN_DEBUG "ata%u: no dma\n", ap->id);

		rc = -EINVAL;

		goto err_out_nosup;

	}



	/* find max transfer mode; for printk only */

	xfer_mask = ata_id_xfermask(dev->id);

	xfer_mask = ata_id_xfermask(id);



	ata_dump_id(dev->id);

	ata_dump_id(id);



	/* ATA-specific feature tests */

	if (dev->class == ATA_DEV_ATA) {

		dev->n_sectors = ata_id_n_sectors(dev->id);

		dev->n_sectors = ata_id_n_sectors(id);



		if (ata_id_has_lba(dev->id)) {

		if (ata_id_has_lba(id)) {

			const char *lba_desc;



			lba_desc = "LBA";

			dev->flags |= ATA_DFLAG_LBA;

			if (ata_id_has_lba48(dev->id)) {

			if (ata_id_has_lba48(id)) {

				dev->flags |= ATA_DFLAG_LBA48;

				lba_desc = "LBA48";

			}
@@ -1248,7 +1249,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, 
				printk(KERN_INFO "ata%u: dev %u ATA-%d, "

				       "max %s, %Lu sectors: %s\n",

				       ap->id, dev->devno,

				       ata_id_major_version(dev->id),

				       ata_id_major_version(id),

				       ata_mode_string(xfer_mask),

				       (unsigned long long)dev->n_sectors,

				       lba_desc);
@@ -1256,15 +1257,15 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, 
			/* CHS */



			/* Default translation */

			dev->cylinders	= dev->id[1];

			dev->heads	= dev->id[3];

			dev->sectors	= dev->id[6];

			dev->cylinders	= id[1];

			dev->heads	= id[3];

			dev->sectors	= id[6];



			if (ata_id_current_chs_valid(dev->id)) {

			if (ata_id_current_chs_valid(id)) {

				/* Current CHS translation is valid. */

				dev->cylinders = dev->id[54];

				dev->heads     = dev->id[55];

				dev->sectors   = dev->id[56];

				dev->cylinders = id[54];

				dev->heads     = id[55];

				dev->sectors   = id[56];

			}



			/* print device info to dmesg */
@@ -1272,7 +1273,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, 
				printk(KERN_INFO "ata%u: dev %u ATA-%d, "

				       "max %s, %Lu sectors: CHS %u/%u/%u\n",

				       ap->id, dev->devno,

				       ata_id_major_version(dev->id),

				       ata_id_major_version(id),

				       ata_mode_string(xfer_mask),

				       (unsigned long long)dev->n_sectors,

				       dev->cylinders, dev->heads, dev->sectors);
@@ -1283,7 +1284,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, 


	/* ATAPI-specific feature tests */

	else if (dev->class == ATA_DEV_ATAPI) {

		rc = atapi_cdb_len(dev->id);

		rc = atapi_cdb_len(id);

		if ((rc < 12) || (rc > ATAPI_CDB_LEN)) {

			printk(KERN_WARNING "ata%u: unsupported CDB len\n", ap->id);

			rc = -EINVAL;