mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
da98603597
This PR is a blend of several kernel bumps authored by ldir taken from his staging tree w/ some further adjustments made by me and update_kernel.sh Summary: Deleted upstreamed patches: generic: 742-v5.5-net-sfp-add-support-for-module-quirks.patch 743-v5.5-net-sfp-add-some-quirks-for-GPON-modules.patch bcm63xx: 022-v5.8-mtd-rawnand-brcmnand-correctly-verify-erased-pages.patch 024-v5.8-mtd-rawnand-brcmnand-fix-CS0-layout.patch mediatek: 0402-net-ethernet-mtk_eth_soc-Always-call-mtk_gmac0_rgmii.patch Deleted patches applied differently upstream: generic: 641-sch_cake-fix-IP-protocol-handling-in-the-presence-of.patch Manually merged patches: generic: 395-v5.8-net-sch_cake-Take-advantage-of-skb-hash-where-appropriate.patch bcm27xx: 950-0132-lan78xx-Debounce-link-events-to-minimize-poll-storm.patch layerscape: 701-net-0231-enetc-Use-DT-protocol-information-to-set-up-the-port.patch Build system: x86_64 Build-tested: ath79/generic, bcm27xx/bcm2708, bcm27xx/bcm2711, imx6, mvebu/cortexa9, sunxi/a53 Run-tested: Netgear R7800 (ipq806x) No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> Tested-By: Lucian Cristian <Lucian.cristian@gmail.com> [mvebu] Tested-By: Curtis Deptuck <curtdept@me.com> [x86/64] [do not remove 395-v5.8-net-sch_cake-Take-advantage-... patch, adjust and refresh patches, adjust commit message] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Tested-By: John Audia <graysky@archlinux.us> [ipq806x]
71 lines
2.3 KiB
Diff
71 lines
2.3 KiB
Diff
From 7b126c5fbddf179c7d2c2393100329aa45cd8ac4 Mon Sep 17 00:00:00 2001
|
|
From: Fugang Duan <fugang.duan@nxp.com>
|
|
Date: Fri, 9 Aug 2019 15:14:08 +0800
|
|
Subject: [PATCH] dmaengine: fsl-edma: calculate the real count for slave sg
|
|
|
|
Calculate the rela count for current slave sg after eDMA stop.
|
|
|
|
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
|
|
---
|
|
drivers/dma/fsl-edma-common.c | 11 ++++++++++-
|
|
drivers/dma/fsl-edma-common.h | 2 ++
|
|
drivers/dma/fsl-edma.c | 1 +
|
|
3 files changed, 13 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/dma/fsl-edma-common.c
|
|
+++ b/drivers/dma/fsl-edma-common.c
|
|
@@ -305,6 +305,11 @@ static size_t fsl_edma_desc_residue(stru
|
|
return len;
|
|
}
|
|
|
|
+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan)
|
|
+{
|
|
+ fsl_chan->chn_real_count = fsl_edma_desc_residue(fsl_chan, NULL, true);
|
|
+}
|
|
+
|
|
enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
|
|
dma_cookie_t cookie, struct dma_tx_state *txstate)
|
|
{
|
|
@@ -314,8 +319,12 @@ enum dma_status fsl_edma_tx_status(struc
|
|
unsigned long flags;
|
|
|
|
status = dma_cookie_status(chan, cookie, txstate);
|
|
- if (status == DMA_COMPLETE)
|
|
+ if (status == DMA_COMPLETE) {
|
|
+ spin_lock_irqsave(&fsl_chan->vchan.lock, flags);
|
|
+ txstate->residue = fsl_chan->chn_real_count;
|
|
+ spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags);
|
|
return status;
|
|
+ }
|
|
|
|
if (!txstate)
|
|
return fsl_chan->status;
|
|
--- a/drivers/dma/fsl-edma-common.h
|
|
+++ b/drivers/dma/fsl-edma-common.h
|
|
@@ -126,6 +126,7 @@ struct fsl_edma_chan {
|
|
u32 dma_dev_size;
|
|
enum dma_data_direction dma_dir;
|
|
char chan_name[16];
|
|
+ u32 chn_real_count;
|
|
};
|
|
|
|
struct fsl_edma_desc {
|
|
@@ -229,6 +230,7 @@ int fsl_edma_pause(struct dma_chan *chan
|
|
int fsl_edma_resume(struct dma_chan *chan);
|
|
int fsl_edma_slave_config(struct dma_chan *chan,
|
|
struct dma_slave_config *cfg);
|
|
+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan);
|
|
enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
|
|
dma_cookie_t cookie, struct dma_tx_state *txstate);
|
|
struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
|
|
--- a/drivers/dma/fsl-edma.c
|
|
+++ b/drivers/dma/fsl-edma.c
|
|
@@ -53,6 +53,7 @@ static irqreturn_t fsl_edma_tx_handler(i
|
|
}
|
|
|
|
if (!fsl_chan->edesc->iscyclic) {
|
|
+ fsl_edma_get_realcnt(fsl_chan);
|
|
list_del(&fsl_chan->edesc->vdesc.node);
|
|
vchan_cookie_complete(&fsl_chan->edesc->vdesc);
|
|
fsl_chan->edesc = NULL;
|