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[v2,05/13] ufs: Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS

Message ID 20240920-topic-ufs-enhancements-v2-5-65ae61e73eaa@linaro.org
State Superseded
Headers show
Series ufs: enhancements to support Qualcomm UFS controllers | expand

Commit Message

Neil Armstrong Sept. 20, 2024, 8 a.m. UTC 
From: Marek Vasut <marek.vasut+renesas@mailbox.org>

Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS for host controllers which do not
support 64-bit addressing.

Ported from Linux kernel commit
6554400d6f66 ("scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS")
with ufs_scsi_buffer_aligned() based on U-Boot generic bounce buffer.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Tested-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
---
 drivers/ufs/ufs.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/ufs/ufs.h b/drivers/ufs/ufs.h
index 43042c294bb..c92f47d82b5 100644
--- a/drivers/ufs/ufs.h
+++ b/drivers/ufs/ufs.h
@@ -732,6 +732,12 @@  struct ufs_hba {
  */
 #define UFSHCD_QUIRK_HIBERN_FASTAUTO			BIT(2)
 
+/*
+ * This quirk needs to be enabled if the host controller has
+ * 64-bit addressing supported capability but it doesn't work.
+ */
+#define UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS		0x2
+
 	/* Virtual memory reference */
 	struct utp_transfer_cmd_desc *ucdl;
 	struct utp_transfer_req_desc *utrdl;