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ufs: allocate descriptors with size aligned with DMA_MINALIGN

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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>
This commit is contained in:
Neil Armstrong
2024-10-14 08:55:28 +02:00
parent 580fb57736
commit 9c223d8d8b
1 changed files with 6 additions and 2 deletions
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drivers/ufs/ufs.c
+6 -2
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@@ -633,7 +633,9 @@ static int ufshcd_memory_alloc(struct ufs_hba *hba)
/* 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 @@ static int ufshcd_memory_alloc(struct ufs_hba *hba)
/* 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;