ufs: allocate descriptors with size aligned with DMA_MINALIGN
Align the allocation size with DMA_MINALIGN to make sure we do not
flush/invalidate data from following allocations.
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Tested-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Tested-by: Julius Lehmann <lehmanju@devpi.de>
Link: https://lore.kernel.org/r/20240930-topic-ufs-enhancements-v3-1-58234f84ab89@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/drivers/ufs/ufs.c b/drivers/ufs/ufs.c
index be64bf9..e005cc9 100644
--- a/drivers/ufs/ufs.c
+++ b/drivers/ufs/ufs.c
@@ -633,7 +633,9 @@
/* Allocate one Transfer Request Descriptor
* Should be aligned to 1k boundary.
*/
- hba->utrdl = memalign(1024, sizeof(struct utp_transfer_req_desc));
+ hba->utrdl = memalign(1024,
+ ALIGN(sizeof(struct utp_transfer_req_desc),
+ ARCH_DMA_MINALIGN));
if (!hba->utrdl) {
dev_err(hba->dev, "Transfer Descriptor memory allocation failed\n");
return -ENOMEM;
@@ -642,7 +644,9 @@
/* Allocate one Command Descriptor
* Should be aligned to 1k boundary.
*/
- hba->ucdl = memalign(1024, sizeof(struct utp_transfer_cmd_desc));
+ hba->ucdl = memalign(1024,
+ ALIGN(sizeof(struct utp_transfer_cmd_desc),
+ ARCH_DMA_MINALIGN));
if (!hba->ucdl) {
dev_err(hba->dev, "Command descriptor memory allocation failed\n");
return -ENOMEM;