Merge tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/soc

Samsung mach/soc changes for v5.10

1. Clear unneeded L2C-310 flag which presenc was triggering warning
   message.
2. Fix build of SAMSUNG_PM_DEBUG without MMU.
3. Minor cleanups and update of linux-samsung-soc mailing list in
   Maintainers.

* tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: s3c64xx: bring back notes from removed debug-macro.S
  ARM: s3c24xx: fix Wunused-variable warning on !MMU
  ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
  MAINTAINERS: mark linux-samsung-soc list non-moderated
  ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val

Signed-off-by: Olof Johansson <olof@lixom.net>

10 files changed, 22 insertions, 16 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 1af13ebac876..eeb71d5d4f9a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2400,7 +2400,7 @@ ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
 M:	Kukjin Kim <kgene@kernel.org>
 M:	Krzysztof Kozlowski <krzk@kernel.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained
 Q:	https://patchwork.kernel.org/project/linux-samsung-soc/list/
 F:	Documentation/arm/samsung/
@@ -2443,7 +2443,7 @@ F:	drivers/media/platform/s5p-g2d/
 
 ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT
 M:	Marek Szyprowski <m.szyprowski@samsung.com>
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 L:	linux-media@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/media/s5p-cec.txt
@@ -13298,7 +13298,7 @@ PCI DRIVER FOR SAMSUNG EXYNOS
 M:	Jingoo Han <jingoohan1@gmail.com>
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained
 F:	drivers/pci/controller/dwc/pci-exynos.c
 
@@ -13700,7 +13700,7 @@ M:	Tomasz Figa <tomasz.figa@gmail.com>
 M:	Krzysztof Kozlowski <krzk@kernel.org>
 M:	Sylwester Nawrocki <s.nawrocki@samsung.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained
 Q:	https://patchwork.kernel.org/project/linux-samsung-soc/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git
@@ -15246,7 +15246,7 @@ F:	include/linux/mfd/samsung/
 SAMSUNG S3C24XX/S3C64XX SOC SERIES CAMIF DRIVER
 M:	Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
 L:	linux-media@vger.kernel.org
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained
 F:	drivers/media/platform/s3c-camif/
 F:	include/media/drv-intf/s3c_camif.h
@@ -15295,7 +15295,7 @@ SAMSUNG SOC CLOCK DRIVERS
 M:	Sylwester Nawrocki <s.nawrocki@samsung.com>
 M:	Tomasz Figa <tomasz.figa@gmail.com>
 M:	Chanwoo Choi <cw00.choi@samsung.com>
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk.git
 F:	Documentation/devicetree/bindings/clock/exynos*.txt
@@ -15311,7 +15311,7 @@ M:	Kukjin Kim <kgene@kernel.org>
 M:	Krzysztof Kozlowski <krzk@kernel.org>
 M:	Andi Shyti <andi@etezian.org>
 L:	linux-spi@vger.kernel.org
-L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/spi/spi-samsung.txt
 F:	drivers/spi/spi-s3c*
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 3503274e5875..700763e07083 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -206,8 +206,8 @@ static void __init exynos_dt_fixup(void)
 }
 
 DT_MACHINE_START(EXYNOS_DT, "Samsung Exynos (Flattened Device Tree)")
-	.l2c_aux_val	= 0x3c400000,
-	.l2c_aux_mask	= 0xc20fffff,
+	.l2c_aux_val	= 0x38400000,
+	.l2c_aux_mask	= 0xc60fffff,
 	.smp		= smp_ops(exynos_smp_ops),
 	.map_io		= exynos_init_io,
 	.init_early	= exynos_firmware_init,
diff --git a/arch/arm/mach-s3c/s3c2410.c b/arch/arm/mach-s3c/s3c2410.c
index 4153e67f0e86..4d39d9939c2f 100644
--- a/arch/arm/mach-s3c/s3c2410.c
+++ b/arch/arm/mach-s3c/s3c2410.c
@@ -45,7 +45,7 @@
 
 /* Initial IO mappings */
 
-static struct map_desc s3c2410_iodesc[] __initdata = {
+static struct map_desc s3c2410_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
diff --git a/arch/arm/mach-s3c/s3c2412.c b/arch/arm/mach-s3c/s3c2412.c
index 35f4addd110b..0b1ca78c9d2a 100644
--- a/arch/arm/mach-s3c/s3c2412.c
+++ b/arch/arm/mach-s3c/s3c2412.c
@@ -55,7 +55,7 @@ static inline void s3c2412_init_gpio2(void)
 
 /* Initial IO mappings */
 
-static struct map_desc s3c2412_iodesc[] __initdata = {
+static struct map_desc s3c2412_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
diff --git a/arch/arm/mach-s3c/s3c2416.c b/arch/arm/mach-s3c/s3c2416.c
index 34b7c101becf..126e6ed29713 100644
--- a/arch/arm/mach-s3c/s3c2416.c
+++ b/arch/arm/mach-s3c/s3c2416.c
@@ -51,7 +51,7 @@
 #include "nand-core-s3c24xx.h"
 #include "spi-core-s3c24xx.h"
 
-static struct map_desc s3c2416_iodesc[] __initdata = {
+static struct map_desc s3c2416_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(WATCHDOG),
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
diff --git a/arch/arm/mach-s3c/s3c2443.c b/arch/arm/mach-s3c/s3c2443.c
index 45fde50b202c..08f910144246 100644
--- a/arch/arm/mach-s3c/s3c2443.c
+++ b/arch/arm/mach-s3c/s3c2443.c
@@ -44,7 +44,7 @@
 #include "nand-core-s3c24xx.h"
 #include "spi-core-s3c24xx.h"
 
-static struct map_desc s3c2443_iodesc[] __initdata = {
+static struct map_desc s3c2443_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(WATCHDOG),
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
diff --git a/arch/arm/mach-s3c/s3c244x.c b/arch/arm/mach-s3c/s3c244x.c
index bae93598f009..95df3491e650 100644
--- a/arch/arm/mach-s3c/s3c244x.c
+++ b/arch/arm/mach-s3c/s3c244x.c
@@ -39,7 +39,7 @@
 #include "nand-core-s3c24xx.h"
 #include "regs-dsc-s3c24xx.h"
 
-static struct map_desc s3c244x_iodesc[] __initdata = {
+static struct map_desc s3c244x_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(CLKPWR),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(WATCHDOG),
diff --git a/arch/arm/mach-s3c/s3c24xx.c b/arch/arm/mach-s3c/s3c24xx.c
index 26a2190a81ff..ccfed48c98aa 100644
--- a/arch/arm/mach-s3c/s3c24xx.c
+++ b/arch/arm/mach-s3c/s3c24xx.c
@@ -139,7 +139,7 @@ static struct cpu_table cpu_ids[] __initdata = {
 
 /* minimal IO mapping */
 
-static struct map_desc s3c_iodesc[] __initdata = {
+static struct map_desc s3c_iodesc[] __initdata __maybe_unused = {
 	IODESC_ENT(GPIO),
 	IODESC_ENT(IRQ),
 	IODESC_ENT(MEMCTRL),
diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c
index b5fc615a482f..4dfb648142f2 100644
--- a/arch/arm/mach-s3c/s3c64xx.c
+++ b/arch/arm/mach-s3c/s3c64xx.c
@@ -95,7 +95,12 @@ static struct cpu_table cpu_ids[] __initdata = {
 
 /* minimal IO mapping */
 
-/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */
+/*
+ * note, for the boot process to work we have to keep the UART
+ * virtual address aligned to an 1MiB boundary for the L1
+ * mapping the head code makes. We keep the UART virtual address
+ * aligned and add in the offset when we load the value here.
+ */
 #define UART_OFFS (S3C_PA_UART & 0xfffff)
 
 static struct map_desc s3c_iodesc[] __initdata = {
diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig
index 5abe82079d2e..fc7f48a92288 100644
--- a/drivers/soc/samsung/Kconfig
+++ b/drivers/soc/samsung/Kconfig
@@ -42,6 +42,7 @@ config SAMSUNG_PM_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>