diff options
Diffstat (limited to 'drivers/ata/sata_promise.c')
| -rw-r--r-- | drivers/ata/sata_promise.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 000fcc99e01..3638887476f 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -1,8 +1,8 @@ /* * sata_promise.c - Promise SATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> - * Mikael Pettersson <mikpe@it.uu.se> + * Maintained by: Tejun Heo <tj@kernel.org> + * Mikael Pettersson * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * @@ -35,7 +35,6 @@ #include <linux/module.h> #include <linux/gfp.h> #include <linux/pci.h> -#include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/interrupt.h> @@ -147,6 +146,10 @@ struct pdc_port_priv { dma_addr_t pkt_dma; }; +struct pdc_host_priv { + spinlock_t hard_reset_lock; +}; + static int pdc_sata_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); @@ -801,9 +804,10 @@ static void pdc_hard_reset_port(struct ata_port *ap) void __iomem *host_mmio = ap->host->iomap[PDC_MMIO_BAR]; void __iomem *pcictl_b1_mmio = host_mmio + PDC_PCI_CTL + 1; unsigned int ata_no = pdc_ata_port_to_ata_no(ap); + struct pdc_host_priv *hpriv = ap->host->private_data; u8 tmp; - spin_lock(&ap->host->lock); + spin_lock(&hpriv->hard_reset_lock); tmp = readb(pcictl_b1_mmio); tmp &= ~(0x10 << ata_no); @@ -814,7 +818,7 @@ static void pdc_hard_reset_port(struct ata_port *ap) writeb(tmp, pcictl_b1_mmio); readb(pcictl_b1_mmio); /* flush */ - spin_unlock(&ap->host->lock); + spin_unlock(&hpriv->hard_reset_lock); } static int pdc_sata_hardreset(struct ata_link *link, unsigned int *class, @@ -1182,6 +1186,7 @@ static int pdc_ata_init_one(struct pci_dev *pdev, const struct ata_port_info *pi = &pdc_port_info[ent->driver_data]; const struct ata_port_info *ppi[PDC_MAX_PORTS]; struct ata_host *host; + struct pdc_host_priv *hpriv; void __iomem *host_mmio; int n_ports, i, rc; int is_sataii_tx4; @@ -1218,6 +1223,11 @@ static int pdc_ata_init_one(struct pci_dev *pdev, dev_err(&pdev->dev, "failed to allocate host\n"); return -ENOMEM; } + hpriv = devm_kzalloc(&pdev->dev, sizeof *hpriv, GFP_KERNEL); + if (!hpriv) + return -ENOMEM; + spin_lock_init(&hpriv->hard_reset_lock); + host->private_data = hpriv; host->iomap = pcim_iomap_table(pdev); is_sataii_tx4 = pdc_is_sataii_tx4(pi->flags); @@ -1249,21 +1259,10 @@ static int pdc_ata_init_one(struct pci_dev *pdev, &pdc_ata_sht); } -static int __init pdc_ata_init(void) -{ - return pci_register_driver(&pdc_ata_pci_driver); -} - -static void __exit pdc_ata_exit(void) -{ - pci_unregister_driver(&pdc_ata_pci_driver); -} +module_pci_driver(pdc_ata_pci_driver); MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl); MODULE_VERSION(DRV_VERSION); - -module_init(pdc_ata_init); -module_exit(pdc_ata_exit); |