diff options
Diffstat (limited to 'drivers/mfd/sta2x11-mfd.c')
| -rw-r--r-- | drivers/mfd/sta2x11-mfd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mfd/sta2x11-mfd.c b/drivers/mfd/sta2x11-mfd.c index 2c8d65e13a67..da65839f1d86 100644 --- a/drivers/mfd/sta2x11-mfd.c +++ b/drivers/mfd/sta2x11-mfd.c @@ -46,7 +46,7 @@ static inline int __reg_within_range(unsigned int r, struct sta2x11_mfd { struct sta2x11_instance *instance; struct regmap *regmap[sta2x11_n_mfd_plat_devs]; - spinlock_t lock; + spinlock_t lock[sta2x11_n_mfd_plat_devs]; struct list_head list; void __iomem *regs[sta2x11_n_mfd_plat_devs]; }; @@ -78,6 +78,7 @@ static struct sta2x11_mfd *sta2x11_mfd_find(struct pci_dev *pdev) static int __devinit sta2x11_mfd_add(struct pci_dev *pdev, gfp_t flags) { + int i; struct sta2x11_mfd *mfd = sta2x11_mfd_find(pdev); struct sta2x11_instance *instance; @@ -90,7 +91,8 @@ static int __devinit sta2x11_mfd_add(struct pci_dev *pdev, gfp_t flags) if (!mfd) return -ENOMEM; INIT_LIST_HEAD(&mfd->list); - spin_lock_init(&mfd->lock); + for (i = 0; i < ARRAY_SIZE(mfd->lock); i++) + spin_lock_init(&mfd->lock[i]); mfd->instance = instance; list_add(&mfd->list, &sta2x11_mfd_list); return 0; @@ -124,13 +126,13 @@ u32 __sta2x11_mfd_mask(struct pci_dev *pdev, u32 reg, u32 mask, u32 val, dev_warn(&pdev->dev, ": system ctl not initialized\n"); return 0; } - spin_lock_irqsave(&mfd->lock, flags); + spin_lock_irqsave(&mfd->lock[index], flags); r = readl(regs + reg); r &= ~mask; r |= val; if (mask) writel(r, regs + reg); - spin_unlock_irqrestore(&mfd->lock, flags); + spin_unlock_irqrestore(&mfd->lock[index], flags); return r; } EXPORT_SYMBOL(__sta2x11_mfd_mask); |