fix(ufs): removes dp and run-stop polling loops
These polling loops are not required according to the spec
Signed-off-by: anans <anans@google.com>
Change-Id: I50d832ba495f30cc7a0553c84e58b747d51e0a4e
diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c
index 7db6c0b..47ff26b 100644
--- a/drivers/ufs/ufs.c
+++ b/drivers/ufs/ufs.c
@@ -225,8 +225,7 @@
}
continue;
}
- while ((mmio_read_32(base + HCS) & HCS_DP) == 0)
- ;
+ assert((mmio_read_32(base + HCS) & HCS_DP) == 0);
data = mmio_read_32(base + IS);
if (data & UFS_INT_ULSS)
mmio_write_32(base + IS, UFS_INT_ULSS);
@@ -482,9 +481,7 @@
mmio_write_32(ufs_params.reg_base + IS, ~0);
mmio_write_32(ufs_params.reg_base + UTRLRSR, 1);
- do {
- data = mmio_read_32(ufs_params.reg_base + UTRLRSR);
- } while (data == 0);
+ assert(mmio_read_32(ufs_params.reg_base + UTRLRSR) == 1);
data = UTRIACR_IAEN | UTRIACR_CTR | UTRIACR_IACTH(0x1F) |
UTRIACR_IATOVAL(0xFF);