Il 26/10/22 09:39, Eddie Huang ha scritto:
Add Mediatek mcq resource and runtime configuration function
to support MCQ capability
Signed-off-by: Eddie Huang <eddie.huang@xxxxxxxxxxxx>
---
drivers/ufs/host/ufs-mediatek.c | 37 +++++++++++++++++++++++++++++++++++++
drivers/ufs/host/ufs-mediatek.h | 7 +++++++
2 files changed, 44 insertions(+)
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index c958279..3f5fc05 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
..snip..
+
+static int ufs_mtk_config_mcq_resource(struct ufs_hba *hba)
+{
+ hba->mcq_base = hba->mmio_base +
+ MCQ_QUEUE_OFFSET(hba->mcq_capabilities);
This seems to either be an additional usecase that should be implemented into the
API and not in MediaTek drivers, (as in that case I believe MediaTek won't be the
only user of such usecase)... or just a way to avoid adding the MCQ iospace to the
UFS devicetree node.
Please clarify.
Thanks,
Angelo
