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authorArnd Bergmann <arnd@arndb.de>2022-09-30 16:19:56 +0200
committerArnd Bergmann <arnd@arndb.de>2023-01-16 09:26:06 +0100
commit2e3ee090cdb5d70185a45cd29a7997b123e24902 (patch)
tree96dcf58e1d47b08d507a3e49fa731f64064b4295 /drivers/soc
parentc9dcd56feb820d50d1bbd52c135caa4e628e4762 (diff)
soc: s3c: remove pm-debug hack
CONFIG_SAMSUNG_PM_DEBUG was only used on s3c24xx because of the DEBUG_S3C24XX_UART dependency. Since s3c24xx is now gone, and nobody ever noticed this option being missing from s3c64xx, it can be safely removed as well. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/samsung/Kconfig22
-rw-r--r--drivers/soc/samsung/Makefile1
-rw-r--r--drivers/soc/samsung/s3c-pm-debug.c79
3 files changed, 1 insertions, 101 deletions
diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig
index b4f538d7412f..7a8f291e7704 100644
--- a/drivers/soc/samsung/Kconfig
+++ b/drivers/soc/samsung/Kconfig
@@ -52,29 +52,9 @@ config EXYNOS_PM_DOMAINS
bool "Exynos PM domains" if COMPILE_TEST
depends on (ARCH_EXYNOS && PM_GENERIC_DOMAINS) || COMPILE_TEST
-config SAMSUNG_PM_DEBUG
- bool "Samsung PM Suspend debug"
- depends on PM && DEBUG_KERNEL
- depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
- depends on DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
- depends on DEBUG_LL && MMU
- help
- Say Y here if you want verbose debugging from the PM Suspend and
- Resume code. See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
- for more information.
-
-config S3C_PM_DEBUG_LED_SMDK
- bool "SMDK LED suspend/resume debugging"
- depends on PM && (MACH_SMDK6410)
- help
- Say Y here to enable the use of the SMDK LEDs on the baseboard
- for debugging of the state of the suspend and resume process.
-
- Note, this currently only works for S3C64XX based SMDK boards.
-
config SAMSUNG_PM_CHECK
bool "S3C2410 PM Suspend Memory CRC"
- depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210)
+ depends on PM && (ARCH_S3C64XX || ARCH_S5PV210)
select CRC32
help
Enable the PM code's memory area checksum over sleep. This option
diff --git a/drivers/soc/samsung/Makefile b/drivers/soc/samsung/Makefile
index 9f59d1905ab0..d35270fc6b2b 100644
--- a/drivers/soc/samsung/Makefile
+++ b/drivers/soc/samsung/Makefile
@@ -14,4 +14,3 @@ obj-$(CONFIG_EXYNOS_PM_DOMAINS) += pm_domains.o
obj-$(CONFIG_EXYNOS_REGULATOR_COUPLER) += exynos-regulator-coupler.o
obj-$(CONFIG_SAMSUNG_PM_CHECK) += s3c-pm-check.o
-obj-$(CONFIG_SAMSUNG_PM_DEBUG) += s3c-pm-debug.o
diff --git a/drivers/soc/samsung/s3c-pm-debug.c b/drivers/soc/samsung/s3c-pm-debug.c
deleted file mode 100644
index b5ce0e9a41e5..000000000000
--- a/drivers/soc/samsung/s3c-pm-debug.c
+++ /dev/null
@@ -1,79 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Copyright (C) 2013 Samsung Electronics Co., Ltd.
-// Tomasz Figa <t.figa@samsung.com>
-// Copyright (C) 2008 Openmoko, Inc.
-// Copyright (C) 2004-2008 Simtec Electronics
-// Ben Dooks <ben@simtec.co.uk>
-// http://armlinux.simtec.co.uk/
-//
-// Samsung common power management (suspend to RAM) debug support
-
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <linux/io.h>
-
-#include <asm/mach/map.h>
-
-#include <linux/soc/samsung/s3c-pm.h>
-
-static struct pm_uart_save uart_save;
-
-extern void printascii(const char *);
-
-void s3c_pm_dbg(const char *fmt, ...)
-{
- va_list va;
- char buff[256];
-
- va_start(va, fmt);
- vsnprintf(buff, sizeof(buff), fmt, va);
- va_end(va);
-
- printascii(buff);
-}
-
-static inline void __iomem *s3c_pm_uart_base(void)
-{
- unsigned long paddr;
- unsigned long vaddr;
-
- debug_ll_addr(&paddr, &vaddr);
-
- return (void __iomem *)vaddr;
-}
-
-void s3c_pm_save_uarts(bool is_s3c2410)
-{
- void __iomem *regs = s3c_pm_uart_base();
- struct pm_uart_save *save = &uart_save;
-
- save->ulcon = __raw_readl(regs + S3C2410_ULCON);
- save->ucon = __raw_readl(regs + S3C2410_UCON);
- save->ufcon = __raw_readl(regs + S3C2410_UFCON);
- save->umcon = __raw_readl(regs + S3C2410_UMCON);
- save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
-
- if (!is_s3c2410)
- save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
-
- S3C_PMDBG("UART[%p]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
- regs, save->ulcon, save->ucon, save->ufcon, save->ubrdiv);
-}
-
-void s3c_pm_restore_uarts(bool is_s3c2410)
-{
- void __iomem *regs = s3c_pm_uart_base();
- struct pm_uart_save *save = &uart_save;
-
- s3c_pm_arch_update_uart(regs, save);
-
- __raw_writel(save->ulcon, regs + S3C2410_ULCON);
- __raw_writel(save->ucon, regs + S3C2410_UCON);
- __raw_writel(save->ufcon, regs + S3C2410_UFCON);
- __raw_writel(save->umcon, regs + S3C2410_UMCON);
- __raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
-
- if (!is_s3c2410)
- __raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
-}