diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 6b99a42f581..49590ee07ac 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -51,6 +51,7 @@ #include <linux/bitops.h> #include <linux/pm_runtime.h> #include <linux/clk.h> +#include <linux/completion.h> #include <asm/irq.h> #include <asm/byteorder.h> @@ -75,6 +76,7 @@ * @argument3: UIC command argument 3 * @cmd_active: Indicate if UIC command is outstanding * @result: UIC command result + * @done: UIC command completion */ struct uic_command { u32 command; @@ -83,6 +85,7 @@ struct uic_command { u32 argument3; int cmd_active; int result; + struct completion done; }; /** @@ -136,11 +139,11 @@ struct ufshcd_lrb { * @ufs_version: UFS Version to which controller complies * @irq: Irq number of the controller * @active_uic_cmd: handle of active UIC command + * @uic_cmd_mutex: mutex for uic command * @ufshcd_tm_wait_queue: wait queue for task management * @tm_condition: condition variable for task management * @ufshcd_state: UFSHCD states - * @int_enable_mask: Interrupt Mask Bits - * @uic_workq: Work queue for UIC completion handling + * @intr_mask: Interrupt Mask Bits * @feh_workq: Work queue for fatal controller error handling * @errors: HBA errors */ @@ -171,21 +174,27 @@ struct ufs_hba { u32 ufs_version; unsigned int irq; - struct uic_command active_uic_cmd; + struct uic_command *active_uic_cmd; + struct mutex uic_cmd_mutex; + wait_queue_head_t ufshcd_tm_wait_queue; unsigned long tm_condition; u32 ufshcd_state; - u32 int_enable_mask; + u32 intr_mask; /* Work Queues */ - struct work_struct uic_workq; struct work_struct feh_workq; /* HBA Errors */ u32 errors; }; +#define ufshcd_writel(hba, val, reg) \ + writel((val), (hba)->mmio_base + (reg)) +#define ufshcd_readl(hba, reg) \ + readl((hba)->mmio_base + (reg)) + int ufshcd_init(struct device *, struct ufs_hba ** , void __iomem * , unsigned int); void ufshcd_remove(struct ufs_hba *); @@ -196,7 +205,7 @@ void ufshcd_remove(struct ufs_hba *); */ static inline void ufshcd_hba_stop(struct ufs_hba *hba) { - writel(CONTROLLER_DISABLE, (hba->mmio_base + REG_CONTROLLER_ENABLE)); + ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE); } #endif /* End of Header */ |