X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fata%2Fsata_fsl.c;h=a723ae92978310f64e65eeef44509337a027c8a5;hb=8090be7aebceb098898cb7ed94f485ad9033fc32;hp=38a2389f5b1bc86abc0baae3fda3f9ab20956cd4;hpb=dae04c1c00f74dd21cce9d85ce90ff50b26d4741;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 38a2389f5b1b..a723ae929783 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -24,6 +24,8 @@
 #include <scsi/scsi_cmnd.h>
 #include <linux/libata.h>
 #include <asm/io.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
 #include <linux/of_platform.h>
 
 static unsigned int intr_coalescing_count;
@@ -43,7 +45,8 @@ enum {
 	SATA_FSL_MAX_PRD_DIRECT	= 16,	/* Direct PRDT entries */
 
 	SATA_FSL_HOST_FLAGS	= (ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
-				ATA_FLAG_PMP | ATA_FLAG_NCQ | ATA_FLAG_AN),
+				   ATA_FLAG_PMP | ATA_FLAG_NCQ |
+				   ATA_FLAG_AN | ATA_FLAG_NO_LOG_PAGE),
 
 	SATA_FSL_MAX_CMDS	= SATA_FSL_QUEUE_DEPTH,
 	SATA_FSL_CMD_HDR_SIZE	= 16,	/* 4 DWORDS */
@@ -732,13 +735,12 @@ static int sata_fsl_port_start(struct ata_port *ap)
 	if (!pp)
 		return -ENOMEM;
 
-	mem = dma_alloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma,
-				 GFP_KERNEL);
+	mem = dma_zalloc_coherent(dev, SATA_FSL_PORT_PRIV_DMA_SZ, &mem_dma,
+				  GFP_KERNEL);
 	if (!mem) {
 		kfree(pp);
 		return -ENOMEM;
 	}
-	memset(mem, 0, SATA_FSL_PORT_PRIV_DMA_SZ);
 
 	pp->cmdslot = mem;
 	pp->cmdslot_paddr = mem_dma;
@@ -772,20 +774,6 @@ static int sata_fsl_port_start(struct ata_port *ap)
 	VPRINTK("HControl = 0x%x\n", ioread32(hcr_base + HCONTROL));
 	VPRINTK("CHBA  = 0x%x\n", ioread32(hcr_base + CHBA));
 
-#ifdef CONFIG_MPC8315_DS
-	/*
-	 * Workaround for 8315DS board 3gbps link-up issue,
-	 * currently limit SATA port to GEN1 speed
-	 */
-	sata_fsl_scr_read(&ap->link, SCR_CONTROL, &temp);
-	temp &= ~(0xF << 4);
-	temp |= (0x1 << 4);
-	sata_fsl_scr_write(&ap->link, SCR_CONTROL, temp);
-
-	sata_fsl_scr_read(&ap->link, SCR_CONTROL, &temp);
-	dev_warn(dev, "scr_control, speed limited to %x\n", temp);
-#endif
-
 	return 0;
 }
 
@@ -882,6 +870,8 @@ try_offline_again:
 	 */
 	ata_msleep(ap, 1);
 
+	sata_set_spd(link);
+
 	/*
 	 * Now, bring the host controller online again, this can take time
 	 * as PHY reset and communication establishment, 1st D2H FIS and
@@ -1533,7 +1523,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
 	ata_host_activate(host, irq, sata_fsl_interrupt, SATA_FSL_IRQ_FLAG,
 			  &sata_fsl_sht);
 
-	dev_set_drvdata(&ofdev->dev, host);
+	platform_set_drvdata(ofdev, host);
 
 	host_priv->intr_coalescing.show = fsl_sata_intr_coalescing_show;
 	host_priv->intr_coalescing.store = fsl_sata_intr_coalescing_store;
@@ -1559,10 +1549,8 @@ static int sata_fsl_probe(struct platform_device *ofdev)
 
 error_exit_with_cleanup:
 
-	if (host) {
-		dev_set_drvdata(&ofdev->dev, NULL);
+	if (host)
 		ata_host_detach(host);
-	}
 
 	if (hcr_base)
 		iounmap(hcr_base);
@@ -1573,7 +1561,7 @@ error_exit_with_cleanup:
 
 static int sata_fsl_remove(struct platform_device *ofdev)
 {
-	struct ata_host *host = dev_get_drvdata(&ofdev->dev);
+	struct ata_host *host = platform_get_drvdata(ofdev);
 	struct sata_fsl_host_priv *host_priv = host->private_data;
 
 	device_remove_file(&ofdev->dev, &host_priv->intr_coalescing);
@@ -1581,8 +1569,6 @@ static int sata_fsl_remove(struct platform_device *ofdev)
 
 	ata_host_detach(host);
 
-	dev_set_drvdata(&ofdev->dev, NULL);
-
 	irq_dispose_mapping(host_priv->irq);
 	iounmap(host_priv->hcr_base);
 	kfree(host_priv);
@@ -1590,16 +1576,16 @@ static int sata_fsl_remove(struct platform_device *ofdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int sata_fsl_suspend(struct platform_device *op, pm_message_t state)
 {
-	struct ata_host *host = dev_get_drvdata(&op->dev);
+	struct ata_host *host = platform_get_drvdata(op);
 	return ata_host_suspend(host, state);
 }
 
 static int sata_fsl_resume(struct platform_device *op)
 {
-	struct ata_host *host = dev_get_drvdata(&op->dev);
+	struct ata_host *host = platform_get_drvdata(op);
 	struct sata_fsl_host_priv *host_priv = host->private_data;
 	int ret;
 	void __iomem *hcr_base = host_priv->hcr_base;
@@ -1641,12 +1627,11 @@ MODULE_DEVICE_TABLE(of, fsl_sata_match);
 static struct platform_driver fsl_sata_driver = {
 	.driver = {
 		.name = "fsl-sata",
-		.owner = THIS_MODULE,
 		.of_match_table = fsl_sata_match,
 	},
 	.probe		= sata_fsl_probe,
 	.remove		= sata_fsl_remove,
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 	.suspend	= sata_fsl_suspend,
 	.resume		= sata_fsl_resume,
 #endif