summaryrefslogtreecommitdiffstats
path: root/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-18 22:41:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-18 22:41:42 +0200
commitdc14036fb3240a1bc2677cf8de33fbcb3af77826 (patch)
tree177cd42a0fdc3e37504075d3b389bf7e894ffb5e /drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
parentplatform/chrome: cros_ec_typec: Get retimer handle (diff)
parentLinux 5.19-rc7 (diff)
downloadlinux-dc14036fb3240a1bc2677cf8de33fbcb3af77826.tar.xz
linux-dc14036fb3240a1bc2677cf8de33fbcb3af77826.zip
Merge 5.19-rc7 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c')
-rw-r--r--drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index e9c9bcb1f5c2..c741da02b67e 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -1164,8 +1164,9 @@ static int dma_chan_pause(struct dma_chan *dchan)
BIT(chan->id) << DMAC_CHAN_SUSP_WE_SHIFT;
axi_dma_iowrite32(chan->chip, DMAC_CHEN, val);
} else {
- val = BIT(chan->id) << DMAC_CHAN_SUSP2_SHIFT |
- BIT(chan->id) << DMAC_CHAN_SUSP2_WE_SHIFT;
+ val = axi_dma_ioread32(chan->chip, DMAC_CHSUSPREG);
+ val |= BIT(chan->id) << DMAC_CHAN_SUSP2_SHIFT |
+ BIT(chan->id) << DMAC_CHAN_SUSP2_WE_SHIFT;
axi_dma_iowrite32(chan->chip, DMAC_CHSUSPREG, val);
}
@@ -1190,12 +1191,13 @@ static inline void axi_chan_resume(struct axi_dma_chan *chan)
{
u32 val;
- val = axi_dma_ioread32(chan->chip, DMAC_CHEN);
if (chan->chip->dw->hdata->reg_map_8_channels) {
+ val = axi_dma_ioread32(chan->chip, DMAC_CHEN);
val &= ~(BIT(chan->id) << DMAC_CHAN_SUSP_SHIFT);
val |= (BIT(chan->id) << DMAC_CHAN_SUSP_WE_SHIFT);
axi_dma_iowrite32(chan->chip, DMAC_CHEN, val);
} else {
+ val = axi_dma_ioread32(chan->chip, DMAC_CHSUSPREG);
val &= ~(BIT(chan->id) << DMAC_CHAN_SUSP2_SHIFT);
val |= (BIT(chan->id) << DMAC_CHAN_SUSP2_WE_SHIFT);
axi_dma_iowrite32(chan->chip, DMAC_CHSUSPREG, val);