diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-04-26 13:51:56 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-05-02 09:09:20 -0600 |
| commit | 04a934d4c7251e6458a7898c2b4d6c2da29b132c (patch) | |
| tree | fa06646af2a3657a0533c27d18dc4f727293f892 /drivers/nvme | |
| parent | 23bd63ceea30878758c303baaf9f8e28f299c578 (diff) | |
| download | linux-04a934d4c7251e6458a7898c2b4d6c2da29b132c.tar.gz linux-04a934d4c7251e6458a7898c2b4d6c2da29b132c.tar.bz2 linux-04a934d4c7251e6458a7898c2b4d6c2da29b132c.zip | |
nvme: remove the io_incapable method
It's unused since "NVMe: Move error handling to failed reset handler".
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jon Derrick <jonathan.derrick@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 12 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 8 |
2 files changed, 0 insertions, 20 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 9b96e7586194..41e922b33f11 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -136,7 +136,6 @@ struct nvme_ctrl_ops { int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val); int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val); int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val); - bool (*io_incapable)(struct nvme_ctrl *ctrl); int (*reset_ctrl)(struct nvme_ctrl *ctrl); void (*free_ctrl)(struct nvme_ctrl *ctrl); }; @@ -150,17 +149,6 @@ static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl) return val & NVME_CSTS_RDY; } -static inline bool nvme_io_incapable(struct nvme_ctrl *ctrl) -{ - u32 val = 0; - - if (ctrl->ops->io_incapable(ctrl)) - return true; - if (ctrl->ops->reg_read32(ctrl, NVME_REG_CSTS, &val)) - return true; - return val & NVME_CSTS_CFS; -} - static inline int nvme_reset_subsystem(struct nvme_ctrl *ctrl) { if (!ctrl->subsystem) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index cc46fdf17b16..321b8e03843a 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1942,13 +1942,6 @@ static int nvme_pci_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val) return 0; } -static bool nvme_pci_io_incapable(struct nvme_ctrl *ctrl) -{ - struct nvme_dev *dev = to_nvme_dev(ctrl); - - return !dev->bar || dev->online_queues < 2; -} - static int nvme_pci_reset_ctrl(struct nvme_ctrl *ctrl) { return nvme_reset(to_nvme_dev(ctrl)); @@ -1959,7 +1952,6 @@ static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = { .reg_read32 = nvme_pci_reg_read32, .reg_write32 = nvme_pci_reg_write32, .reg_read64 = nvme_pci_reg_read64, - .io_incapable = nvme_pci_io_incapable, .reset_ctrl = nvme_pci_reset_ctrl, .free_ctrl = nvme_pci_free_ctrl, }; |