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-rw-r--r--drivers/dma/amba-pl08x.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 75915be252f5..4e4c3df7f151 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -115,6 +115,7 @@ struct vendor_data {
bool dualmaster;
bool nomadik;
bool pl080s;
+ u32 max_transfer_size;
};
/**
@@ -783,6 +784,7 @@ static inline u32 pl08x_cctl_bits(u32 cctl, u8 srcwidth, u8 dstwidth,
break;
}
+ tsize &= PL080_CONTROL_TRANSFER_SIZE_MASK;
retbits |= tsize << PL080_CONTROL_TRANSFER_SIZE_SHIFT;
return retbits;
}
@@ -1050,7 +1052,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x,
* MIN(buswidths)
*/
max_bytes_per_lli = bd.srcbus.buswidth *
- PL080_CONTROL_TRANSFER_SIZE_MASK;
+ pl08x->vd->max_transfer_size;
dev_vdbg(&pl08x->adev->dev,
"%s max bytes per lli = %zu\n",
__func__, max_bytes_per_lli);
@@ -2152,6 +2154,7 @@ static struct vendor_data vendor_pl080 = {
.config_offset = PL080_CH_CONFIG,
.channels = 8,
.dualmaster = true,
+ .max_transfer_size = PL080_CONTROL_TRANSFER_SIZE_MASK,
};
static struct vendor_data vendor_nomadik = {
@@ -2159,18 +2162,21 @@ static struct vendor_data vendor_nomadik = {
.channels = 8,
.dualmaster = true,
.nomadik = true,
+ .max_transfer_size = PL080_CONTROL_TRANSFER_SIZE_MASK,
};
static struct vendor_data vendor_pl080s = {
.config_offset = PL080S_CH_CONFIG,
.channels = 8,
.pl080s = true,
+ .max_transfer_size = PL080S_CONTROL_TRANSFER_SIZE_MASK,
};
static struct vendor_data vendor_pl081 = {
.config_offset = PL080_CH_CONFIG,
.channels = 2,
.dualmaster = false,
+ .max_transfer_size = PL080_CONTROL_TRANSFER_SIZE_MASK,
};
static struct amba_id pl08x_ids[] = {