kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arm/mach-ep93xx/ts72xx.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * arch/arm/mach-ep93xx/ts72xx.c
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  * Technologic Systems TS72xx SBC support.
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  *
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  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
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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 (at
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- * your option) any later version.
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -16,18 +12,17 @@
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 #include <linux/init.h>
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 #include <linux/platform_device.h>
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 #include <linux/io.h>
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-#include <linux/mtd/rawnand.h>
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-#include <linux/mtd/partitions.h>
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+#include <linux/mtd/platnand.h>
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 #include <linux/spi/spi.h>
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 #include <linux/spi/flash.h>
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 #include <linux/spi/mmc_spi.h>
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 #include <linux/mmc/host.h>
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 #include <linux/platform_data/spi-ep93xx.h>
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+#include <linux/gpio/machine.h>
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-#include <mach/gpio-ep93xx.h>
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-#include <mach/hardware.h>
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+#include "gpio-ep93xx.h"
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+#include "hardware.h"
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 #include <mach/irqs.h>
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-#include <mach/gpio-ep93xx.h>
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 #include <asm/mach-types.h>
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 #include <asm/mach/map.h>
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@@ -76,13 +71,11 @@
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 #define TS72XX_NAND_CONTROL_ADDR_LINE	22	/* 0xN0400000 */
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 #define TS72XX_NAND_BUSY_ADDR_LINE	23	/* 0xN0800000 */
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-static void ts72xx_nand_hwcontrol(struct mtd_info *mtd,
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+static void ts72xx_nand_hwcontrol(struct nand_chip *chip,
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 				  int cmd, unsigned int ctrl)
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 {
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-	struct nand_chip *chip = mtd_to_nand(mtd);
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-
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 	if (ctrl & NAND_CTRL_CHANGE) {
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-		void __iomem *addr = chip->IO_ADDR_R;
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+		void __iomem *addr = chip->legacy.IO_ADDR_R;
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 		unsigned char bits;
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 		addr += (1 << TS72XX_NAND_CONTROL_ADDR_LINE);
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@@ -96,13 +89,12 @@
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 	}
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 	if (cmd != NAND_CMD_NONE)
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-		__raw_writeb(cmd, chip->IO_ADDR_W);
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+		__raw_writeb(cmd, chip->legacy.IO_ADDR_W);
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 }
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-static int ts72xx_nand_device_ready(struct mtd_info *mtd)
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+static int ts72xx_nand_device_ready(struct nand_chip *chip)
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 {
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-	struct nand_chip *chip = mtd_to_nand(mtd);
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-	void __iomem *addr = chip->IO_ADDR_R;
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+	void __iomem *addr = chip->legacy.IO_ADDR_R;
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 	addr += (1 << TS72XX_NAND_BUSY_ADDR_LINE);
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@@ -274,13 +266,15 @@
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  * The all work is performed automatically by !SPI_FRAME (SFRM1) and
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  * goes through CPLD
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  */
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-static int bk3_spi_chipselects[] __initdata = {
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-	EP93XX_GPIO_LINE_F(3),
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+static struct gpiod_lookup_table bk3_spi_cs_gpio_table = {
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+	.dev_id = "spi0",
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+	.table = {
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+		GPIO_LOOKUP("F", 3, "cs", GPIO_ACTIVE_LOW),
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+		{ },
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+	},
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 };
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 static struct ep93xx_spi_info bk3_spi_master __initdata = {
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-	.chipselect	= bk3_spi_chipselects,
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-	.num_chipselect = ARRAY_SIZE(bk3_spi_chipselects),
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 	.use_dma	= 1,
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 };
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@@ -321,13 +315,17 @@
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 	},
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 };
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-static int ts72xx_spi_chipselects[] __initdata = {
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-	EP93XX_GPIO_LINE_F(2),		/* DIO_17 */
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+static struct gpiod_lookup_table ts72xx_spi_cs_gpio_table = {
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+	.dev_id = "spi0",
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+	.table = {
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+		/* DIO_17 */
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+		GPIO_LOOKUP("F", 2, "cs", GPIO_ACTIVE_LOW),
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+		{ },
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+	},
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 };
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 static struct ep93xx_spi_info ts72xx_spi_info __initdata = {
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-	.chipselect	= ts72xx_spi_chipselects,
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-	.num_chipselect	= ARRAY_SIZE(ts72xx_spi_chipselects),
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+	/* Intentionally left blank */
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 };
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 static void __init ts72xx_init_machine(void)
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@@ -344,6 +342,7 @@
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 	if (board_is_ts7300())
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 		platform_device_register(&ts73xx_fpga_device);
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 #endif
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+	gpiod_add_lookup_table(&ts72xx_spi_cs_gpio_table);
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 	ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices,
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 			    ARRAY_SIZE(ts72xx_spi_devices));
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 }
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@@ -403,6 +402,7 @@
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 	ep93xx_register_eth(&ts72xx_eth_data, 1);
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+	gpiod_add_lookup_table(&bk3_spi_cs_gpio_table);
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 	ep93xx_register_spi(&bk3_spi_master, bk3_spi_board_info,
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 			    ARRAY_SIZE(bk3_spi_board_info));
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