add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/jazz_esp.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* jazz_esp.c: ESP front-end for MIPS JAZZ systems.
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  *
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  * Copyright (C) 2007 Thomas Bogendörfer (tsbogend@alpha.frankende)
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@@ -36,30 +37,6 @@
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 static u8 jazz_esp_read8(struct esp *esp, unsigned long reg)
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 {
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 	return *(volatile u8 *)(esp->regs + reg);
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-}
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-
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-static dma_addr_t jazz_esp_map_single(struct esp *esp, void *buf,
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-				      size_t sz, int dir)
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-{
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-	return dma_map_single(esp->dev, buf, sz, dir);
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-}
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-
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-static int jazz_esp_map_sg(struct esp *esp, struct scatterlist *sg,
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-				  int num_sg, int dir)
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-{
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-	return dma_map_sg(esp->dev, sg, num_sg, dir);
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-}
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-
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-static void jazz_esp_unmap_single(struct esp *esp, dma_addr_t addr,
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-				  size_t sz, int dir)
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-{
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-	dma_unmap_single(esp->dev, addr, sz, dir);
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-}
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-
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-static void jazz_esp_unmap_sg(struct esp *esp, struct scatterlist *sg,
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-			      int num_sg, int dir)
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-{
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-	dma_unmap_sg(esp->dev, sg, num_sg, dir);
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 }
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 static int jazz_esp_irq_pending(struct esp *esp)
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@@ -117,10 +94,6 @@
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 static const struct esp_driver_ops jazz_esp_ops = {
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 	.esp_write8	=	jazz_esp_write8,
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 	.esp_read8	=	jazz_esp_read8,
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-	.map_single	=	jazz_esp_map_single,
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-	.map_sg		=	jazz_esp_map_sg,
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-	.unmap_single	=	jazz_esp_unmap_single,
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-	.unmap_sg	=	jazz_esp_unmap_sg,
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 	.irq_pending	=	jazz_esp_irq_pending,
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 	.reset_dma	=	jazz_esp_reset_dma,
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 	.dma_drain	=	jazz_esp_dma_drain,
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@@ -184,7 +157,7 @@
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 	dev_set_drvdata(&dev->dev, esp);
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-	err = scsi_esp_register(esp, &dev->dev);
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+	err = scsi_esp_register(esp);
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 	if (err)
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 		goto fail_free_irq;
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@@ -230,21 +203,9 @@
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 		.name	= "jazz_esp",
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 	},
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 };
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-
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-static int __init jazz_esp_init(void)
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-{
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-	return platform_driver_register(&esp_jazz_driver);
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-}
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-
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-static void __exit jazz_esp_exit(void)
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-{
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-	platform_driver_unregister(&esp_jazz_driver);
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-}
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+module_platform_driver(esp_jazz_driver);
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 MODULE_DESCRIPTION("JAZZ ESP SCSI driver");
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 MODULE_AUTHOR("Thomas Bogendoerfer (tsbogend@alpha.franken.de)");
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 MODULE_LICENSE("GPL");
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 MODULE_VERSION(DRV_VERSION);
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-
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-module_init(jazz_esp_init);
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-module_exit(jazz_esp_exit);