add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
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@@ -1,21 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * VFIO platform driver specialized for AMD xgbe reset
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  * reset code is inherited from AMD xgbe native driver
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  *
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  * Copyright (c) 2015 Linaro Ltd.
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  *              www.linaro.org
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/module.h>
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@@ -25,7 +14,7 @@
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 #include <uapi/linux/mdio.h>
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 #include <linux/delay.h>
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-#include "vfio_platform_private.h"
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+#include "../vfio_platform_private.h"
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 #define DMA_MR			0x3000
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 #define MAC_VR			0x0110
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@@ -35,7 +24,7 @@
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 #define MDIO_AN_INT		0x8002
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 #define MDIO_AN_INTMASK		0x8001
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-static unsigned int xmdio_read(void *ioaddr, unsigned int mmd,
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+static unsigned int xmdio_read(void __iomem *ioaddr, unsigned int mmd,
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 			       unsigned int reg)
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 {
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 	unsigned int mmd_address, value;
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@@ -46,7 +35,7 @@
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 	return value;
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 }
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-static void xmdio_write(void *ioaddr, unsigned int mmd,
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+static void xmdio_write(void __iomem *ioaddr, unsigned int mmd,
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 			unsigned int reg, unsigned int value)
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 {
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 	unsigned int mmd_address;
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@@ -65,13 +54,13 @@
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 	if (!xgmac_regs->ioaddr) {
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 		xgmac_regs->ioaddr =
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-			ioremap_nocache(xgmac_regs->addr, xgmac_regs->size);
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+			ioremap(xgmac_regs->addr, xgmac_regs->size);
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 		if (!xgmac_regs->ioaddr)
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 			return -ENOMEM;
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 	}
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 	if (!xpcs_regs->ioaddr) {
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 		xpcs_regs->ioaddr =
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-			ioremap_nocache(xpcs_regs->addr, xpcs_regs->size);
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+			ioremap(xpcs_regs->addr, xpcs_regs->size);
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 		if (!xpcs_regs->ioaddr)
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 			return -ENOMEM;
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 	}
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@@ -89,7 +78,8 @@
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 	} while ((pcs_value & MDIO_CTRL1_RESET) && --count);
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 	if (pcs_value & MDIO_CTRL1_RESET)
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-		pr_warn("%s XGBE PHY reset timeout\n", __func__);
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+		dev_warn(vdev->device, "%s: XGBE PHY reset timeout\n",
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+			 __func__);
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 	/* disable auto-negotiation */
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 	value = xmdio_read(xpcs_regs->ioaddr, MDIO_MMD_AN, MDIO_CTRL1);
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@@ -114,7 +104,7 @@
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 		usleep_range(500, 600);
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 	if (!count)
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-		pr_warn("%s MAC SW reset failed\n", __func__);
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+		dev_warn(vdev->device, "%s: MAC SW reset failed\n", __func__);
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 	return 0;
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 }