1 files changed, 23 insertions, 83 deletions

diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 32ae03e9081b..e09c609d4961 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -43,7 +43,6 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_cmnd.h>
 #include <linux/libata.h>
-#include <asm/io.h>
 #include "sata_promise.h"
 
 #define DRV_NAME        "sata_promise"
@@ -121,7 +120,6 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 static irqreturn_t pdc_interrupt (int irq, void *dev_instance);
 static void pdc_eng_timeout(struct ata_port *ap);
 static int pdc_port_start(struct ata_port *ap);
-static void pdc_port_stop(struct ata_port *ap);
 static void pdc_pata_phy_reset(struct ata_port *ap);
 static void pdc_qc_prep(struct ata_queued_cmd *qc);
 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
@@ -130,7 +128,6 @@ static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
 static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc);
 static void pdc_irq_clear(struct ata_port *ap);
 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
-static void pdc_host_stop(struct ata_host *host);
 static void pdc_freeze(struct ata_port *ap);
 static void pdc_thaw(struct ata_port *ap);
 static void pdc_error_handler(struct ata_port *ap);
@@ -177,8 +174,6 @@ static const struct ata_port_operations pdc_sata_ops = {
         .scr_read               = pdc_sata_scr_read,
         .scr_write              = pdc_sata_scr_write,
         .port_start             = pdc_port_start,
-        .port_stop              = pdc_port_stop,
-        .host_stop              = pdc_host_stop,
 };
 
 /* First-generation chips need a more restrictive ->check_atapi_dma op */
@@ -204,8 +199,6 @@ static const struct ata_port_operations pdc_old_sata_ops = {
         .scr_read               = pdc_sata_scr_read,
         .scr_write              = pdc_sata_scr_write,
         .port_start             = pdc_port_start,
-        .port_stop              = pdc_port_stop,
-        .host_stop              = pdc_host_stop,
 };
 
 static const struct ata_port_operations pdc_pata_ops = {
@@ -227,8 +220,6 @@ static const struct ata_port_operations pdc_pata_ops = {
         .irq_clear              = pdc_irq_clear,
 
         .port_start             = pdc_port_start,
-        .port_stop              = pdc_port_stop,
-        .host_stop              = pdc_host_stop,
 };
 
 static const struct ata_port_info pdc_port_info[] = {
@@ -332,17 +323,13 @@ static int pdc_port_start(struct ata_port *ap)
         if (rc)
                 return rc;
 
-        pp = kzalloc(sizeof(*pp), GFP_KERNEL);
-        if (!pp) {
-                rc = -ENOMEM;
-                goto err_out;
-        }
+        pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
+        if (!pp)
+                return -ENOMEM;
 
-        pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL);
-        if (!pp->pkt) {
-                rc = -ENOMEM;
-                goto err_out_kfree;
-        }
+        pp->pkt = dmam_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL);
+        if (!pp->pkt)
+                return -ENOMEM;
 
         ap->private_data = pp;
 
@@ -357,37 +344,8 @@ static int pdc_port_start(struct ata_port *ap)
         }
 
         return 0;
-
-err_out_kfree:
-        kfree(pp);
-err_out:
-        ata_port_stop(ap);
-        return rc;
 }
 
-
-static void pdc_port_stop(struct ata_port *ap)
-{
-        struct device *dev = ap->host->dev;
-        struct pdc_port_priv *pp = ap->private_data;
-
-        ap->private_data = NULL;
-        dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma);
-        kfree(pp);
-        ata_port_stop(ap);
-}
-
-
-static void pdc_host_stop(struct ata_host *host)
-{
-        struct pdc_host_priv *hp = host->private_data;
-
-        ata_pci_host_stop(host);
-
-        kfree(hp);
-}
-
-
 static void pdc_reset_port(struct ata_port *ap)
 {
         void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
@@ -924,56 +882,49 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         static int printed_version;
-        struct ata_probe_ent *probe_ent = NULL;
+        struct ata_probe_ent *probe_ent;
         struct pdc_host_priv *hp;
         unsigned long base;
         void __iomem *mmio_base;
         unsigned int board_idx = (unsigned int) ent->driver_data;
-        int pci_dev_busy = 0;
         int rc;
         u8 tmp;
 
         if (!printed_version++)
                 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
 
-        rc = pci_enable_device(pdev);
+        rc = pcim_enable_device(pdev);
         if (rc)
                 return rc;
 
         rc = pci_request_regions(pdev, DRV_NAME);
         if (rc) {
-                pci_dev_busy = 1;
-                goto err_out;
+                pcim_pin_device(pdev);
+                return rc;
         }
 
         rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
         if (rc)
-                goto err_out_regions;
+                return rc;
         rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
         if (rc)
-                goto err_out_regions;
+                return rc;
 
-        probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
-        if (probe_ent == NULL) {
-                rc = -ENOMEM;
-                goto err_out_regions;
-        }
+        probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL);
+        if (probe_ent == NULL)
+                return -ENOMEM;
 
         probe_ent->dev = pci_dev_to_dev(pdev);
         INIT_LIST_HEAD(&probe_ent->node);
 
-        mmio_base = pci_iomap(pdev, 3, 0);
-        if (mmio_base == NULL) {
-                rc = -ENOMEM;
-                goto err_out_free_ent;
-        }
+        mmio_base = pcim_iomap(pdev, 3, 0);
+        if (mmio_base == NULL)
+                return -ENOMEM;
         base = (unsigned long) mmio_base;
 
-        hp = kzalloc(sizeof(*hp), GFP_KERNEL);
-        if (hp == NULL) {
-                rc = -ENOMEM;
-                goto err_out_free_ent;
-        }
+        hp = devm_kzalloc(&pdev->dev, sizeof(*hp), GFP_KERNEL);
+        if (hp == NULL)
+                return -ENOMEM;
 
         probe_ent->private_data = hp;
 
@@ -1043,22 +994,11 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         /* initialize adapter */
         pdc_host_init(board_idx, probe_ent);
 
-        /* FIXME: Need any other frees than hp? */
         if (!ata_device_add(probe_ent))
-                kfree(hp);
-
-        kfree(probe_ent);
+                return -ENODEV;
 
+        devm_kfree(&pdev->dev, probe_ent);
         return 0;
-
-err_out_free_ent:
-        kfree(probe_ent);
-err_out_regions:
-        pci_release_regions(pdev);
-err_out:
-        if (!pci_dev_busy)
-                pci_disable_device(pdev);
-        return rc;
 }