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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
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From: Fugang Duan <fugang.duan@nxp.com>
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Date: Fri, 9 Aug 2019 15:14:08 +0800
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Subject: [PATCH] dmaengine: fsl-edma: calculate the real count for slave sg
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Calculate the rela count for current slave sg after eDMA stop.
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Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
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---
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drivers/dma/fsl-edma-common.c | 11 ++++++++++-
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drivers/dma/fsl-edma-common.h | 2 ++
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drivers/dma/fsl-edma.c | 1 +
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3 files changed, 13 insertions(+), 1 deletion(-)
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--- a/drivers/dma/fsl-edma-common.c
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+++ b/drivers/dma/fsl-edma-common.c
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@@ -305,6 +305,11 @@ static size_t fsl_edma_desc_residue(stru
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return len;
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}
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+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan)
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+{
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+ fsl_chan->chn_real_count = fsl_edma_desc_residue(fsl_chan, NULL, true);
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+}
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+
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enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
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dma_cookie_t cookie, struct dma_tx_state *txstate)
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{
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@@ -314,8 +319,12 @@ enum dma_status fsl_edma_tx_status(struc
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unsigned long flags;
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status = dma_cookie_status(chan, cookie, txstate);
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- if (status == DMA_COMPLETE)
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+ if (status == DMA_COMPLETE) {
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+ spin_lock_irqsave(&fsl_chan->vchan.lock, flags);
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+ txstate->residue = fsl_chan->chn_real_count;
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+ spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags);
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return status;
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+ }
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if (!txstate)
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return fsl_chan->status;
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--- a/drivers/dma/fsl-edma-common.h
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+++ b/drivers/dma/fsl-edma-common.h
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@@ -126,6 +126,7 @@ struct fsl_edma_chan {
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u32 dma_dev_size;
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enum dma_data_direction dma_dir;
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char chan_name[16];
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+ u32 chn_real_count;
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};
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struct fsl_edma_desc {
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@@ -229,6 +230,7 @@ int fsl_edma_pause(struct dma_chan *chan
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int fsl_edma_resume(struct dma_chan *chan);
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int fsl_edma_slave_config(struct dma_chan *chan,
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struct dma_slave_config *cfg);
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+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan);
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enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
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dma_cookie_t cookie, struct dma_tx_state *txstate);
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struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
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--- a/drivers/dma/fsl-edma.c
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+++ b/drivers/dma/fsl-edma.c
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@@ -53,6 +53,7 @@ static irqreturn_t fsl_edma_tx_handler(i
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}
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if (!fsl_chan->edesc->iscyclic) {
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+ fsl_edma_get_realcnt(fsl_chan);
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list_del(&fsl_chan->edesc->vdesc.node);
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vchan_cookie_complete(&fsl_chan->edesc->vdesc);
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fsl_chan->edesc = NULL;
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