nvme: have nvme_init_identify set ctrl->cap

No need to use a stack cap variable.

Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
This commit is contained in:
Sagi Grimberg 2019-07-22 17:06:52 -07:00
parent 10407ec9b4
commit 4fba445828
1 changed files with 3 additions and 4 deletions

View File

@ -2562,7 +2562,6 @@ static int nvme_get_effects_log(struct nvme_ctrl *ctrl)
int nvme_init_identify(struct nvme_ctrl *ctrl)
{
struct nvme_id_ctrl *id;
u64 cap;
int ret, page_shift;
u32 max_hw_sectors;
bool prev_apst_enabled;
@ -2573,15 +2572,15 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
return ret;
}
ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &cap);
ret = ctrl->ops->reg_read64(ctrl, NVME_REG_CAP, &ctrl->cap);
if (ret) {
dev_err(ctrl->device, "Reading CAP failed (%d)\n", ret);
return ret;
}
page_shift = NVME_CAP_MPSMIN(cap) + 12;
page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12;
if (ctrl->vs >= NVME_VS(1, 1, 0))
ctrl->subsystem = NVME_CAP_NSSRC(cap);
ctrl->subsystem = NVME_CAP_NSSRC(ctrl->cap);
ret = nvme_identify_ctrl(ctrl, &id);
if (ret) {