diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 13:48:30 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 13:48:30 +0400 |
| commit | 617677295b53a40d0e54aac4cbbc216ffbc755dd (patch) | |
| tree | 51b9e87213243ed5efff252c8e8d8fec4eebc588 /drivers/ata/sata_promise.c | |
| parent | 5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff) | |
| parent | 6abb7c25775b7fb2225ad0508236d63ca710e65f (diff) | |
| download | linux-617677295b53a40d0e54aac4cbbc216ffbc755dd.tar.xz | |
Merge branch 'master' into for-next
Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
Diffstat (limited to 'drivers/ata/sata_promise.c')
| -rw-r--r-- | drivers/ata/sata_promise.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 489c81768321..fb0dd87f8893 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -147,6 +147,10 @@ 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 +805,10 @@ 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 +819,7 @@ 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 +1187,7 @@ 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 +1224,11 @@ 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); |