nvme: Correct the prps per page calculation method
Each prp is 8 bytes, calculate the number of prps
per page should just divide page size by 8
there is no need to minus 1
Signed-off-by: Wesley Sheng <wesleyshenggit@sina.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c
index d554ec5..dc6c39b 100644
--- a/drivers/nvme/nvme.c
+++ b/drivers/nvme/nvme.c
@@ -81,7 +81,7 @@
u64 *prp_pool;
int length = total_len;
int i, nprps;
- u32 prps_per_page = (page_size >> 3) - 1;
+ u32 prps_per_page = page_size >> 3;
u32 num_pages;
length -= (page_size - offset);