diff options
Diffstat (limited to 'target/linux/oxnas/files/drivers/ata/sata_oxnas.c')
| -rw-r--r-- | target/linux/oxnas/files/drivers/ata/sata_oxnas.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/target/linux/oxnas/files/drivers/ata/sata_oxnas.c b/target/linux/oxnas/files/drivers/ata/sata_oxnas.c index 291a06f959..64afa728a1 100644 --- a/target/linux/oxnas/files/drivers/ata/sata_oxnas.c +++ b/target/linux/oxnas/files/drivers/ata/sata_oxnas.c @@ -29,7 +29,35 @@ #include <linux/clk.h> #include <linux/reset.h> -#include <mach/utils.h> +#include <linux/io.h> +#include <linux/sizes.h> + +static inline void oxnas_register_clear_mask(void __iomem *p, unsigned mask) +{ + u32 val = readl_relaxed(p); + + val &= ~mask; + writel_relaxed(val, p); +} + +static inline void oxnas_register_set_mask(void __iomem *p, unsigned mask) +{ + u32 val = readl_relaxed(p); + + val |= mask; + writel_relaxed(val, p); +} + +static inline void oxnas_register_value_mask(void __iomem *p, + unsigned mask, unsigned new_value) +{ + /* TODO sanity check mask & new_value = new_value */ + u32 val = readl_relaxed(p); + + val &= ~mask; + val |= new_value; + writel_relaxed(val, p); +} /* sgdma request structure */ struct sgdma_request { @@ -848,7 +876,7 @@ wait_for_lock: * list so want to give reentrant accessors a chance to get * access ASAP */ - if (!list_empty(&hd->scsi_wait_queue.task_list)) + if (!list_empty(&hd->scsi_wait_queue.head)) wake_up(&hd->scsi_wait_queue); } @@ -867,7 +895,7 @@ int sata_core_has_fast_waiters(struct ata_host *ah) struct sata_oxnas_host_priv *hd = ah->private_data; spin_lock_irqsave(&hd->core_lock, flags); - has_waiters = !list_empty(&hd->fast_wait_queue.task_list); + has_waiters = !list_empty(&hd->fast_wait_queue.head); spin_unlock_irqrestore(&hd->core_lock, flags); return has_waiters; @@ -882,7 +910,7 @@ int sata_core_has_scsi_waiters(struct ata_host *ah) spin_lock_irqsave(&hd->core_lock, flags); has_waiters = hd->scsi_nonblocking_attempts || - !list_empty(&hd->scsi_wait_queue.task_list); + !list_empty(&hd->scsi_wait_queue.head); spin_unlock_irqrestore(&hd->core_lock, flags); return has_waiters; @@ -954,7 +982,7 @@ static void sata_oxnas_release_hw(struct ata_port *ap) hd->locker_uid = 0; hd->core_locked = 0; released = 1; - wake_up(!list_empty(&hd->scsi_wait_queue.task_list) ? + wake_up(!list_empty(&hd->scsi_wait_queue.head) ? &hd->scsi_wait_queue : &hd->fast_wait_queue); } |