enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/ata/pata_arasan_cf.c
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@@ -219,7 +219,6 @@
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 static struct scsi_host_template arasan_cf_sht = {
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 	ATA_BASE_SHT(DRIVER_NAME),
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-	.sg_tablesize = SG_NONE,
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 	.dma_boundary = 0xFFFFFFFFUL,
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 };
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@@ -527,9 +526,10 @@
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 	/* request dma channels */
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 	/* dma_request_channel may sleep, so calling from process context */
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-	acdev->dma_chan = dma_request_slave_channel(acdev->host->dev, "data");
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-	if (!acdev->dma_chan) {
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+	acdev->dma_chan = dma_request_chan(acdev->host->dev, "data");
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+	if (IS_ERR(acdev->dma_chan)) {
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 		dev_err(acdev->host->dev, "Unable to get dma_chan\n");
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+		acdev->dma_chan = NULL;
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 		goto chan_request_fail;
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 	}
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@@ -540,6 +540,7 @@
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 	}
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 	dma_release_channel(acdev->dma_chan);
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+	acdev->dma_chan = NULL;
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 	/* data xferred successfully */
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 	if (!ret) {
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@@ -832,7 +833,7 @@
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 	}
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 	acdev->pbase = res->start;
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-	acdev->vbase = devm_ioremap_nocache(&pdev->dev, res->start,
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+	acdev->vbase = devm_ioremap(&pdev->dev, res->start,
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 			resource_size(res));
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 	if (!acdev->vbase) {
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 		dev_warn(&pdev->dev, "ioremap fail\n");