add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
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@@ -1,10 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (c) 2014-2015 Hisilicon Limited.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #include "hns_dsaf_mac.h"
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@@ -334,11 +330,12 @@
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  * hns_dsaf_srst_chns - reset dsaf channels
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  * @dsaf_dev: dsaf device struct pointer
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  * @msk: xbar channels mask value:
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+ * @dereset: false - request reset , true - drop reset
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+ *
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  * bit0-5 for xge0-5
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  * bit6-11 for ppe0-5
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  * bit12-17 for roce0-5
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  * bit18-19 for com/dfx
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- * @enable: false - request reset , true - drop reset
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  */
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 static void
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 hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
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@@ -357,11 +354,12 @@
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  * hns_dsaf_srst_chns - reset dsaf channels
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  * @dsaf_dev: dsaf device struct pointer
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  * @msk: xbar channels mask value:
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+ * @dereset: false - request reset , true - drop reset
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+ *
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  * bit0-5 for xge0-5
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  * bit6-11 for ppe0-5
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  * bit12-17 for roce0-5
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  * bit18-19 for com/dfx
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- * @enable: false - request reset , true - drop reset
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  */
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 static void
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 hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
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@@ -620,7 +618,8 @@
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 /**
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  * hns_mac_config_sds_loopback - set loop back for serdes
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  * @mac_cb: mac control block
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- * retuen 0 == success
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+ * @en: enable or disable
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+ * return 0 == success
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  */
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 static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
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 {
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@@ -674,7 +673,7 @@
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 		dsaf_set_field(origin, 1ull << 10, 10, en);
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 		dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
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 	} else {
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-		u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
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+		u8 __iomem *base_addr = mac_cb->serdes_vaddr +
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 				(mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
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 		dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
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 	}
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@@ -762,17 +761,11 @@
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 	return (void *)misc_op;
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 }
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-static int hns_dsaf_dev_match(struct device *dev, void *fwnode)
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-{
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-	return dev->fwnode == fwnode;
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-}
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-
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 struct
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 platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode)
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 {
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 	struct device *dev;
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-	dev = bus_find_device(&platform_bus_type, NULL,
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-			      fwnode, hns_dsaf_dev_match);
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+	dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
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 	return dev ? to_platform_device(dev) : NULL;
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 }