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-rw-r--r--drivers/ufs/core/ufshcd.c5
-rw-r--r--drivers/ufs/host/ufs-exynos.c10
-rw-r--r--include/ufs/ufshcd.h4
3 files changed, 13 insertions, 6 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 064a6d8605c1..89a78a0f794c 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5107,8 +5107,8 @@ static int ufshcd_slave_configure(struct scsi_device *sdev)
ufshcd_hpb_configure(hba, sdev);
blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
- if (hba->quirks & UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE)
- blk_queue_update_dma_alignment(q, PAGE_SIZE - 1);
+ if (hba->quirks & UFSHCD_QUIRK_4KB_DMA_ALIGNMENT)
+ blk_queue_update_dma_alignment(q, 4096 - 1);
/*
* Block runtime-pm until all consumers are added.
* Refer ufshcd_setup_links().
@@ -8724,7 +8724,6 @@ static struct scsi_host_template ufshcd_driver_template = {
.max_host_blocked = 1,
.track_queue_depth = 1,
.sdev_groups = ufshcd_driver_groups,
- .dma_boundary = PAGE_SIZE - 1,
.rpm_autosuspend_delay = RPM_AUTOSUSPEND_DELAY_MS,
};
diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index c3628a8645a5..7c985fc38db1 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -1300,6 +1300,14 @@ static int exynos_ufs_hce_enable_notify(struct ufs_hba *hba,
switch (status) {
case PRE_CHANGE:
+ /*
+ * The maximum segment size must be set after scsi_host_alloc()
+ * has been called and before LUN scanning starts
+ * (ufshcd_async_scan()). Note: this callback may also be called
+ * from other functions than ufshcd_init().
+ */
+ hba->host->max_segment_size = 4096;
+
if (ufs->drv_data->pre_hce_enable) {
ret = ufs->drv_data->pre_hce_enable(ufs);
if (ret)
@@ -1673,7 +1681,7 @@ static const struct exynos_ufs_drv_data exynos_ufs_drvs = {
UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL |
UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING |
- UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE,
+ UFSHCD_QUIRK_4KB_DMA_ALIGNMENT,
.opts = EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL |
EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX |
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 1779238d8a56..57a5af27522a 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -583,9 +583,9 @@ enum ufshcd_quirks {
UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING = 1 << 13,
/*
- * This quirk allows only sg entries aligned with page size.
+ * Align DMA SG entries on a 4 KiB boundary.
*/
- UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE = 1 << 14,
+ UFSHCD_QUIRK_4KB_DMA_ALIGNMENT = 1 << 14,
/*
* This quirk needs to be enabled if the host controller does not