summaryrefslogtreecommitdiffstats
path: root/drivers/dma
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:38 +0000
commit9db339b27f903add3e85b6448c6ca4681450c187 (patch)
tree2e9f25d374e0b322841a7cabe8100b5b52c0e69d /drivers/dma
parentAdding upstream version 4.19.282. (diff)
downloadlinux-upstream/4.19.289.tar.xz
linux-upstream/4.19.289.zip
Adding upstream version 4.19.289.upstream/4.19.289
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/dma/at_xdmac.c5
-rw-r--r--drivers/dma/pl330.c8
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index a451ecae1..33ea7abd8 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -223,6 +223,7 @@ struct at_xdmac {
int irq;
struct clk *clk;
u32 save_gim;
+ u32 save_gs;
struct dma_pool *at_xdmac_desc_pool;
struct at_xdmac_chan chan[0];
};
@@ -1878,6 +1879,7 @@ static int atmel_xdmac_suspend(struct device *dev)
}
}
atxdmac->save_gim = at_xdmac_read(atxdmac, AT_XDMAC_GIM);
+ atxdmac->save_gs = at_xdmac_read(atxdmac, AT_XDMAC_GS);
at_xdmac_off(atxdmac);
clk_disable_unprepare(atxdmac->clk);
@@ -1914,7 +1916,8 @@ static int atmel_xdmac_resume(struct device *dev)
at_xdmac_chan_write(atchan, AT_XDMAC_CNDC, atchan->save_cndc);
at_xdmac_chan_write(atchan, AT_XDMAC_CIE, atchan->save_cim);
wmb();
- at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask);
+ if (atxdmac->save_gs & atchan->mask)
+ at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask);
}
}
return 0;
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 9cb1c4228..5afdb9e31 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1042,7 +1042,7 @@ static bool _trigger(struct pl330_thread *thrd)
return true;
}
-static bool _start(struct pl330_thread *thrd)
+static bool pl330_start_thread(struct pl330_thread *thrd)
{
switch (_state(thrd)) {
case PL330_STATE_FAULT_COMPLETING:
@@ -1690,7 +1690,7 @@ static int pl330_update(struct pl330_dmac *pl330)
thrd->req_running = -1;
/* Get going again ASAP */
- _start(thrd);
+ pl330_start_thread(thrd);
/* For now, just make a list of callbacks to be done */
list_add_tail(&descdone->rqd, &pl330->req_done);
@@ -2076,7 +2076,7 @@ static void pl330_tasklet(unsigned long data)
} else {
/* Make sure the PL330 Channel thread is active */
spin_lock(&pch->thread->dmac->lock);
- _start(pch->thread);
+ pl330_start_thread(pch->thread);
spin_unlock(&pch->thread->dmac->lock);
}
@@ -2094,7 +2094,7 @@ static void pl330_tasklet(unsigned long data)
if (power_down) {
pch->active = true;
spin_lock(&pch->thread->dmac->lock);
- _start(pch->thread);
+ pl330_start_thread(pch->thread);
spin_unlock(&pch->thread->dmac->lock);
power_down = false;
}