add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/powerpc/kernel/module_32.c
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@@ -1,19 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*  Kernel module help for PPC.
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     Copyright (C) 2001 Rusty Russell.
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4
 
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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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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -79,21 +67,6 @@
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 		return 0;
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 }
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-static void relaswap(void *_x, void *_y, int size)
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-{
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-	uint32_t *x, *y, tmp;
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-	int i;
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-
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-	y = (uint32_t *)_x;
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-	x = (uint32_t *)_y;
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-
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-	for (i = 0; i < sizeof(Elf32_Rela) / sizeof(uint32_t); i++) {
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-		tmp = x[i];
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-		x[i] = y[i];
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-		y[i] = tmp;
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-	}
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-}
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-
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 /* Get the potential trampolines size required of the init and
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    non-init sections */
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 static unsigned long get_plt_size(const Elf32_Ehdr *hdr,
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@@ -130,7 +103,7 @@
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 			 */
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 			sort((void *)hdr + sechdrs[i].sh_offset,
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 			     sechdrs[i].sh_size / sizeof(Elf32_Rela),
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-			     sizeof(Elf32_Rela), relacmp, relaswap);
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+			     sizeof(Elf32_Rela), relacmp, NULL);
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 			ret += count_relocs((void *)hdr
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 					     + sechdrs[i].sh_offset,
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@@ -172,10 +145,12 @@
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145
 
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 static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val)
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 {
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-	if (entry->jump[0] == 0x3d800000 + ((val + 0x8000) >> 16)
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-	    && entry->jump[1] == 0x398c0000 + (val & 0xffff))
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-		return 1;
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-	return 0;
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+	if (entry->jump[0] != (PPC_INST_ADDIS | __PPC_RT(R12) | PPC_HA(val)))
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+		return 0;
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+	if (entry->jump[1] != (PPC_INST_ADDI | __PPC_RT(R12) | __PPC_RA(R12) |
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+			       PPC_LO(val)))
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+		return 0;
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+	return 1;
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 }
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 /* Set up a trampoline in the PLT to bounce us to the distant function */
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@@ -200,10 +175,16 @@
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 		entry++;
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 	}
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-	entry->jump[0] = 0x3d800000+((val+0x8000)>>16); /* lis r12,sym@ha */
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-	entry->jump[1] = 0x398c0000 + (val&0xffff);     /* addi r12,r12,sym@l*/
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-	entry->jump[2] = 0x7d8903a6;                    /* mtctr r12 */
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-	entry->jump[3] = 0x4e800420;			/* bctr */
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+	/*
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+	 * lis r12, sym@ha
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+	 * addi r12, r12, sym@l
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+	 * mtctr r12
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+	 * bctr
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+	 */
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+	entry->jump[0] = PPC_INST_ADDIS | __PPC_RT(R12) | PPC_HA(val);
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+	entry->jump[1] = PPC_INST_ADDI | __PPC_RT(R12) | __PPC_RA(R12) | PPC_LO(val);
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+	entry->jump[2] = PPC_INST_MTCTR | __PPC_RS(R12);
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+	entry->jump[3] = PPC_INST_BCTR;
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 	pr_debug("Initialized plt for 0x%x at %p\n", val, entry);
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 	return (uint32_t)entry;