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Commit 1f0e4175 authored by ashish kalra's avatar ashish kalra Committed by Jeff Garzik
Browse files

ata/sata_fsl: Remove sending LOG EXT command in sata_fsl_softreset() 



Signed-off-by: default avatarashish kalra <ashish.kalra@freescale.com>
Signed-off-by: default avatarLi Yang <leoli@freescale.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent e7eac96e

drivers/ata/sata_fsl.c

+0 −70
Original line number Diff line number Diff line
@@ -730,10 +730,6 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, 
	u8 *cfis;

	u32 Serror;

	int i = 0;

	struct ata_queued_cmd qc;

	u8 *buf;

	dma_addr_t dma_address;

	struct scatterlist *sg;

	unsigned long start_jiffies;



	DPRINTK("in xx_softreset\n");
@@ -833,9 +829,6 @@ try_offline_again: 
	 * reached here, we can send a command to the target device

	 */



	if (link->sactive)

		goto skip_srst_do_ncq_error_handling;



	DPRINTK("Sending SRST/device reset\n");



	ata_tf_init(link->device, &tf);
@@ -903,69 +896,6 @@ try_offline_again: 
	 * command bit of the CCreg

	 */

	iowrite32(0x01, CC + hcr_base);	/* We know it will be cmd#0 always */

	goto check_device_signature;



skip_srst_do_ncq_error_handling:



	VPRINTK("Sending read log ext(10h) command\n");



	memset(&qc, 0, sizeof(struct ata_queued_cmd));

	ata_tf_init(link->device, &tf);



	tf.command = ATA_CMD_READ_LOG_EXT;

	tf.lbal = ATA_LOG_SATA_NCQ;

	tf.nsect = 1;

	tf.hob_nsect = 0;

	tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_LBA48 | ATA_TFLAG_DEVICE;

	tf.protocol = ATA_PROT_PIO;



	qc.tag = ATA_TAG_INTERNAL;

	qc.scsicmd = NULL;

	qc.ap = ap;

	qc.dev = link->device;



	qc.tf = tf;

	qc.flags |= ATA_QCFLAG_RESULT_TF;

	qc.dma_dir = DMA_FROM_DEVICE;



	buf = ap->sector_buf;

	ata_sg_init_one(&qc, buf, 1 * ATA_SECT_SIZE);



	/*

	 * Need to DMA-map the memory buffer associated with the command

	 */



	sg = qc.__sg;

	dma_address = dma_map_single(ap->dev, qc.buf_virt,

				     sg->length, DMA_FROM_DEVICE);



	sg_dma_address(sg) = dma_address;

	sg_dma_len(sg) = sg->length;



	VPRINTK("EH, addr = 0x%x, len = 0x%x\n", dma_address, sg->length);



	sata_fsl_qc_prep(&qc);

	sata_fsl_qc_issue(&qc);



	temp = ata_wait_register(CQ + hcr_base, 0x1, 0x1, 1, 5000);

	if (temp & 0x1) {

		VPRINTK("READ_LOG_EXT_10H issue failed\n");



		VPRINTK("READ_LOG@5000,CQ=0x%x,CA=0x%x,CC=0x%x\n",

			ioread32(CQ + hcr_base),

			ioread32(CA + hcr_base), ioread32(CC + hcr_base));



		sata_fsl_scr_read(ap, SCR_ERROR, &Serror);



		VPRINTK("HStatus = 0x%x\n", ioread32(hcr_base + HSTATUS));

		VPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));

		VPRINTK("Serror = 0x%x\n", Serror);

		goto err;

	}



	iowrite32(0x01, CC + hcr_base);	/* We know it will be cmd#0 always */



check_device_signature:



	DPRINTK("SATA FSL : Now checking device signature\n");