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-rw-r--r--arch/arm/boot/dts/at91sam9263.dtsi5
-rw-r--r--arch/arm/boot/dts/imx28-evk.dts1
-rw-r--r--arch/arm/boot/dts/omap3-n900.dts2
-rw-r--r--arch/arm/boot/dts/socfpga.dtsi12
-rw-r--r--arch/arm/boot/dts/socfpga_arria5.dtsi2
-rw-r--r--arch/arm/boot/dts/socfpga_arria5_socdk.dts12
-rw-r--r--arch/arm/boot/dts/socfpga_cyclone5_socdk.dts15
-rw-r--r--arch/arm/boot/dts/socfpga_cyclone5_sockit.dts12
-rw-r--r--arch/arm/boot/dts/zynq-7000.dtsi24
-rw-r--r--arch/arm/configs/multi_v7_defconfig2
-rw-r--r--arch/arm/configs/sunxi_defconfig1
-rw-r--r--arch/arm/include/uapi/asm/unistd.h1
-rw-r--r--arch/arm/kernel/asm-offsets.c12
-rw-r--r--arch/arm/kernel/calls.S1
-rw-r--r--arch/arm/mach-highbank/highbank.c2
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c14
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c3
-rw-r--r--arch/arm/mach-socfpga/core.h2
-rw-r--r--arch/arm/mach-socfpga/headsmp.S25
-rw-r--r--arch/arm/mach-socfpga/platsmp.c4
-rw-r--r--arch/arm/mach-socfpga/socfpga.c4
-rw-r--r--arch/arm/mm/cache-l2x0.c26
-rw-r--r--arch/arm/mm/dma-mapping.c1
-rw-r--r--arch/arm/mm/highmem.c3
-rw-r--r--arch/arm/mm/init.c8
25 files changed, 136 insertions, 58 deletions
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index d68b3c4862bc..51416c7d0625 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -122,9 +122,10 @@
interrupts-extended = <&pmc AT91_PMC_LOCKB>;
clocks = <&main>;
reg = <1>;
- atmel,clk-input-range = <1000000 5000000>;
+ atmel,clk-input-range = <1000000 32000000>;
#atmel,pll-clk-output-range-cells = <4>;
- atmel,pll-clk-output-ranges = <70000000 130000000 1 1>;
+ atmel,pll-clk-output-ranges = <80000000 200000000 0 1>,
+ <190000000 240000000 2 1>;
};
mck: masterck {
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 09664fcf5afb..0e13b4b10a92 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -193,7 +193,6 @@
i2c0: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
- clock-frequency = <400000>;
status = "okay";
sgtl5000: codec@0a {
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 739fcf29c643..bc82a12d4c2c 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -668,6 +668,8 @@
bank-width = <2>;
pinctrl-names = "default";
pinctrl-0 = <&ethernet_pins>;
+ power-gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>; /* gpio86 */
+ reset-gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* gpio164 */
gpmc,device-width = <2>;
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 45fce2cf6fed..4472fd92685c 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -547,7 +547,7 @@
status = "disabled";
};
- gpio@ff708000 {
+ gpio0: gpio@ff708000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dw-apb-gpio";
@@ -555,7 +555,7 @@
clocks = <&per_base_clk>;
status = "disabled";
- gpio0: gpio-controller@0 {
+ porta: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
gpio-controller;
#gpio-cells = <2>;
@@ -567,7 +567,7 @@
};
};
- gpio@ff709000 {
+ gpio1: gpio@ff709000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dw-apb-gpio";
@@ -575,7 +575,7 @@
clocks = <&per_base_clk>;
status = "disabled";
- gpio1: gpio-controller@0 {
+ portb: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
gpio-controller;
#gpio-cells = <2>;
@@ -587,7 +587,7 @@
};
};
- gpio@ff70a000 {
+ gpio2: gpio@ff70a000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dw-apb-gpio";
@@ -595,7 +595,7 @@
clocks = <&per_base_clk>;
status = "disabled";
- gpio2: gpio-controller@0 {
+ portc: gpio-controller@0 {
compatible = "snps,dw-apb-gpio-port";
gpio-controller;
#gpio-cells = <2>;
diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi
index 03e8268ae219..1907cc600452 100644
--- a/arch/arm/boot/dts/socfpga_arria5.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria5.dtsi
@@ -29,7 +29,7 @@
};
};
- dwmmc0@ff704000 {
+ mmc0: dwmmc0@ff704000 {
num-slots = <1>;
broken-cd;
bus-width = <4>;
diff --git a/arch/arm/boot/dts/socfpga_arria5_socdk.dts b/arch/arm/boot/dts/socfpga_arria5_socdk.dts
index 27d551c384d0..ccaf41742fc3 100644
--- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts
+++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts
@@ -37,6 +37,13 @@
*/
ethernet0 = &gmac1;
};
+
+ regulator_3_3v: 3-3-v-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&gmac1 {
@@ -68,6 +75,11 @@
};
};
+&mmc0 {
+ vmmc-supply = <&regulator_3_3v>;
+ vqmmc-supply = <&regulator_3_3v>;
+};
+
&usb1 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
index d7296a5f750c..258865da8f6a 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
+++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
@@ -37,6 +37,13 @@
*/
ethernet0 = &gmac1;
};
+
+ regulator_3_3v: 3-3-v-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&gmac1 {
@@ -53,6 +60,10 @@
rxc-skew-ps = <2000>;
};
+&gpio1 {
+ status = "okay";
+};
+
&i2c0 {
status = "okay";
@@ -69,7 +80,9 @@
};
&mmc0 {
- cd-gpios = <&gpio1 18 0>;
+ cd-gpios = <&portb 18 0>;
+ vmmc-supply = <&regulator_3_3v>;
+ vqmmc-supply = <&regulator_3_3v>;
};
&usb1 {
diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
index d26f155f5fd9..16ea6f5f2ab8 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
+++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
@@ -37,6 +37,13 @@
*/
ethernet0 = &gmac1;
};
+
+ regulator_3_3v: vcc3p3-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC3P3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&gmac1 {
@@ -53,6 +60,11 @@
rxc-skew-ps = <2000>;
};
+&mmc0 {
+ vmmc-supply = <&regulator_3_3v>;
+ vqmmc-supply = <&regulator_3_3v>;
+};
+
&usb1 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 24036c440440..ce2ef5bec4f2 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -30,7 +30,6 @@
/* kHz uV */
666667 1000000
333334 1000000
- 222223 1000000
>;
};
@@ -65,7 +64,7 @@
interrupt-parent = <&intc>;
ranges;
- adc@f8007100 {
+ adc: adc@f8007100 {
compatible = "xlnx,zynq-xadc-1.00.a";
reg = <0xf8007100 0x20>;
interrupts = <0 7 4>;
@@ -137,7 +136,7 @@
<0xF8F00100 0x100>;
};
- L2: cache-controller {
+ L2: cache-controller@f8f02000 {
compatible = "arm,pl310-cache";
reg = <0xF8F02000 0x1000>;
arm,data-latency = <3 2 2>;
@@ -146,10 +145,10 @@
cache-level = <2>;
};
- memory-controller@f8006000 {
+ mc: memory-controller@f8006000 {
compatible = "xlnx,zynq-ddrc-a05";
reg = <0xf8006000 0x1000>;
- } ;
+ };
uart0: serial@e0000000 {
compatible = "xlnx,xuartps", "cdns,uart-r1p8";
@@ -195,7 +194,7 @@
gem0: ethernet@e000b000 {
compatible = "cdns,gem";
- reg = <0xe000b000 0x4000>;
+ reg = <0xe000b000 0x1000>;
status = "disabled";
interrupts = <0 22 4>;
clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
@@ -206,7 +205,7 @@
gem1: ethernet@e000c000 {
compatible = "cdns,gem";
- reg = <0xe000c000 0x4000>;
+ reg = <0xe000c000 0x1000>;
status = "disabled";
interrupts = <0 45 4>;
clocks = <&clkc 31>, <&clkc 31>, <&clkc 14>;
@@ -315,5 +314,16 @@
reg = <0xf8f00600 0x20>;
clocks = <&clkc 4>;
};
+
+ watchdog0: watchdog@f8005000 {
+ clocks = <&clkc 45>;
+ compatible = "xlnx,zynq-wdt-r1p2";
+ device_type = "watchdog";
+ interrupt-parent = <&intc>;
+ interrupts = <0 9 1>;
+ reg = <0xf8005000 0x1000>;
+ reset = <0>;
+ timeout-sec = <10>;
+ };
};
};
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 491b7d5523bf..f1dc7fc668f3 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -261,6 +261,7 @@ CONFIG_WATCHDOG=y
CONFIG_XILINX_WATCHDOG=y
CONFIG_ORION_WATCHDOG=y
CONFIG_SUNXI_WATCHDOG=y
+CONFIG_MESON_WATCHDOG=y
CONFIG_MFD_AS3722=y
CONFIG_MFD_BCM590XX=y
CONFIG_MFD_CROS_EC=y
@@ -353,6 +354,7 @@ CONFIG_MMC_MVSDIO=y
CONFIG_MMC_SUNXI=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_EXYNOS=y
+CONFIG_MMC_DW_ROCKCHIP=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index 847045313101..f7ac0379850f 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -76,6 +76,7 @@ CONFIG_WATCHDOG=y
CONFIG_SUNXI_WATCHDOG=y
CONFIG_MFD_AXP20X=y
CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_GPIO=y
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index 3aaa75cae90c..705bb7620673 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -412,6 +412,7 @@
#define __NR_seccomp (__NR_SYSCALL_BASE+383)
#define __NR_getrandom (__NR_SYSCALL_BASE+384)
#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
+#define __NR_bpf (__NR_SYSCALL_BASE+386)
/*
* The following SWIs are ARM private.
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 713e807621d2..2d2d6087b9b1 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -10,6 +10,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
@@ -39,10 +40,19 @@
* GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
* (http://gcc.gnu.org/PR8896) and incorrect structure
* initialisation in fs/jffs2/erase.c
+ * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
+ * miscompiles find_get_entry(), and can result in EXT3 and EXT4
+ * filesystem corruption (possibly other FS too).
*/
+#ifdef __GNUC__
#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
#error Your compiler is too buggy; it is known to miscompile kernels.
-#error Known good compilers: 3.3
+#error Known good compilers: 3.3, 4.x
+#endif
+#if GCC_VERSION >= 40800 && GCC_VERSION < 40803
+#error Your compiler is too buggy; it is known to miscompile kernels
+#error and result in filesystem corruption and oopses.
+#endif
#endif
int main(void)
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9f899d8fdcca..e51833f8cc38 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -395,6 +395,7 @@
CALL(sys_seccomp)
CALL(sys_getrandom)
/* 385 */ CALL(sys_memfd_create)
+ CALL(sys_bpf)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8c35ae4ff176..07a09570175d 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -20,7 +20,7 @@
#include <linux/input.h>
#include <linux/io.h>
#include <linux/irqchip.h>
-#include <linux/mailbox.h>
+#include <linux/pl320-ipc.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 1412daf4a714..4e79da7c5e30 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -50,8 +50,8 @@ static const char *pcie_axi_sels[] = { "axi", "ahb", };
static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", };
static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
-static const char *emi_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
-static const char *emi_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
+static const char *eim_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
+static const char *eim_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *vdo_axi_sels[] = { "axi", "ahb", };
static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
@@ -302,8 +302,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
- clk[IMX6QDL_CLK_EMI_SEL] = imx_clk_fixup_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_EMI_SLOW_SEL] = imx_clk_fixup_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_fixup_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup);
clk[IMX6QDL_CLK_VDO_AXI_SEL] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clk[IMX6QDL_CLK_VPU_AXI_SEL] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels));
clk[IMX6QDL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));
@@ -354,8 +354,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
clk[IMX6QDL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3);
clk[IMX6QDL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6);
- clk[IMX6QDL_CLK_EMI_PODF] = imx_clk_fixup_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_EMI_SLOW_PODF] = imx_clk_fixup_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
clk[IMX6QDL_CLK_VPU_AXI_PODF] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3);
clk[IMX6QDL_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3);
clk[IMX6QDL_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3);
@@ -456,7 +456,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);
clk[IMX6QDL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
clk[IMX6QDL_CLK_USDHC4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);
- clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "emi_slow_podf", base + 0x80, 10);
+ clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "eim_slow_podf", base + 0x80, 10);
clk[IMX6QDL_CLK_VDO_AXI] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
clk[IMX6QDL_CLK_VPU_AXI] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14);
clk[IMX6QDL_CLK_CKO1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7);
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index c95346c94829..cec9d6c6442c 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -252,9 +252,6 @@ static void __init nokia_n900_legacy_init(void)
platform_device_register(&omap3_rom_rng_device);
}
-
- /* Only on some development boards */
- gpio_request_one(164, GPIOF_OUT_INIT_LOW, "smc91x reset");
}
static void __init omap3_tao3530_legacy_init(void)
diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h
index 572b8f719ffb..60c443dadb58 100644
--- a/arch/arm/mach-socfpga/core.h
+++ b/arch/arm/mach-socfpga/core.h
@@ -40,7 +40,7 @@ extern void __iomem *rst_manager_base_addr;
extern struct smp_operations socfpga_smp_ops;
extern char secondary_trampoline, secondary_trampoline_end;
-extern unsigned long cpu1start_addr;
+extern unsigned long socfpga_cpu1start_addr;
#define SOCFPGA_SCU_VIRT_BASE 0xfffec000
diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
index 95c115d8b5ee..f65ea0af4af3 100644
--- a/arch/arm/mach-socfpga/headsmp.S
+++ b/arch/arm/mach-socfpga/headsmp.S
@@ -9,21 +9,26 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
+#include <asm/memory.h>
.arch armv7-a
ENTRY(secondary_trampoline)
- movw r2, #:lower16:cpu1start_addr
- movt r2, #:upper16:cpu1start_addr
-
- /* The socfpga VT cannot handle a 0xC0000000 page offset when loading
- the cpu1start_addr, we bit clear it. Tested on HW and VT. */
- bic r2, r2, #0x40000000
-
- ldr r0, [r2]
- ldr r1, [r0]
- bx r1
+ /* CPU1 will always fetch from 0x0 when it is brought out of reset.
+ * Thus, we can just subtract the PAGE_OFFSET to get the physical
+ * address of &cpu1start_addr. This would not work for platforms
+ * where the physical memory does not start at 0x0.
+ */
+ adr r0, 1f
+ ldmia r0, {r1, r2}
+ sub r2, r2, #PAGE_OFFSET
+ ldr r3, [r2]
+ ldr r4, [r3]
+ bx r4
+ .align
+1: .long .
+ .long socfpga_cpu1start_addr
ENTRY(secondary_trampoline_end)
ENTRY(socfpga_secondary_startup)
diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c
index 5356a72bc8ce..16ca97b039f9 100644
--- a/arch/arm/mach-socfpga/platsmp.c
+++ b/arch/arm/mach-socfpga/platsmp.c
@@ -33,11 +33,11 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
int trampoline_size = &secondary_trampoline_end - &secondary_trampoline;
- if (cpu1start_addr) {
+ if (socfpga_cpu1start_addr) {
memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size);
__raw_writel(virt_to_phys(socfpga_secondary_startup),
- (sys_manager_base_addr + (cpu1start_addr & 0x000000ff)));
+ (sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff)));
flush_cache_all();
smp_wmb();
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index adbf38314ca8..383d61e138af 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -29,7 +29,7 @@
void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE));
void __iomem *sys_manager_base_addr;
void __iomem *rst_manager_base_addr;
-unsigned long cpu1start_addr;
+unsigned long socfpga_cpu1start_addr;
static struct map_desc scu_io_desc __initdata = {
.virtual = SOCFPGA_SCU_VIRT_BASE,
@@ -70,7 +70,7 @@ void __init socfpga_sysmgr_init(void)
np = of_find_compatible_node(NULL, NULL, "altr,sys-mgr");
if (of_property_read_u32(np, "cpu1-start-addr",
- (u32 *) &cpu1start_addr))
+ (u32 *) &socfpga_cpu1start_addr))
pr_err("SMP: Need cpu1-start-addr in device tree.\n");
sys_manager_base_addr = of_iomap(np, 0);
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 55f9d6e0cc88..5e65ca8dea62 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -956,7 +956,7 @@ static u32 cache_id_part_number_from_dt;
* @associativity: variable to return the calculated associativity in
* @max_way_size: the maximum size in bytes for the cache ways
*/
-static void __init l2x0_cache_size_of_parse(const struct device_node *np,
+static int __init l2x0_cache_size_of_parse(const struct device_node *np,
u32 *aux_val, u32 *aux_mask,
u32 *associativity,
u32 max_way_size)
@@ -974,7 +974,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
of_property_read_u32(np, "cache-line-size", &line_size);
if (!cache_size || !sets)
- return;
+ return -ENODEV;
/* All these l2 caches have the same line = block size actually */
if (!line_size) {
@@ -1009,7 +1009,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
if (way_size > max_way_size) {
pr_err("L2C OF: set size %dKB is too large\n", way_size);
- return;
+ return -EINVAL;
}
pr_info("L2C OF: override cache size: %d bytes (%dKB)\n",
@@ -1027,7 +1027,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
if (way_size_bits < 1 || way_size_bits > 6) {
pr_err("L2C OF: cache way size illegal: %dKB is not mapped\n",
way_size);
- return;
+ return -EINVAL;
}
mask |= L2C_AUX_CTRL_WAY_SIZE_MASK;
@@ -1036,6 +1036,8 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
*aux_val &= ~mask;
*aux_val |= val;
*aux_mask &= ~mask;
+
+ return 0;
}
static void __init l2x0_of_parse(const struct device_node *np,
@@ -1046,6 +1048,7 @@ static void __init l2x0_of_parse(const struct device_node *np,
u32 dirty = 0;
u32 val = 0, mask = 0;
u32 assoc;
+ int ret;
of_property_read_u32(np, "arm,tag-latency", &tag);
if (tag) {
@@ -1068,7 +1071,10 @@ static void __init l2x0_of_parse(const struct device_node *np,
val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT;
}
- l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K);
+ ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K);
+ if (ret)
+ return;
+
if (assoc > 8) {
pr_err("l2x0 of: cache setting yield too high associativity\n");
pr_err("l2x0 of: %d calculated, max 8\n", assoc);
@@ -1125,6 +1131,7 @@ static void __init l2c310_of_parse(const struct device_node *np,
u32 tag[3] = { 0, 0, 0 };
u32 filter[2] = { 0, 0 };
u32 assoc;
+ int ret;
of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag));
if (tag[0] && tag[1] && tag[2])
@@ -1152,7 +1159,10 @@ static void __init l2c310_of_parse(const struct device_node *np,
l2x0_base + L310_ADDR_FILTER_START);
}
- l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K);
+ ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K);
+ if (ret)
+ return;
+
switch (assoc) {
case 16:
*aux_val &= ~L2X0_AUX_CTRL_ASSOC_MASK;
@@ -1164,8 +1174,8 @@ static void __init l2c310_of_parse(const struct device_node *np,
*aux_mask &= ~L2X0_AUX_CTRL_ASSOC_MASK;
break;
default:
- pr_err("PL310 OF: cache setting yield illegal associativity\n");
- pr_err("PL310 OF: %d calculated, only 8 and 16 legal\n", assoc);
+ pr_err("L2C-310 OF cache associativity %d invalid, only 8 or 16 permitted\n",
+ assoc);
break;
}
}
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index c245d903927f..e8907117861e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1198,7 +1198,6 @@ __iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot,
{
return dma_common_pages_remap(pages, size,
VM_ARM_DMA_CONSISTENT | VM_USERMAP, prot, caller);
- return NULL;
}
/*
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 45aeaaca9052..e17ed00828d7 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -127,8 +127,11 @@ void *kmap_atomic_pfn(unsigned long pfn)
{
unsigned long vaddr;
int idx, type;
+ struct page *page = pfn_to_page(pfn);
pagefault_disable();
+ if (!PageHighMem(page))
+ return page_address(page);
type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR * smp_processor_id();
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 92bba32d9230..9481f85c56e6 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -559,10 +559,10 @@ void __init mem_init(void)
#ifdef CONFIG_MODULES
" modules : 0x%08lx - 0x%08lx (%4ld MB)\n"
#endif
- " .text : 0x%p" " - 0x%p" " (%4d kB)\n"
- " .init : 0x%p" " - 0x%p" " (%4d kB)\n"
- " .data : 0x%p" " - 0x%p" " (%4d kB)\n"
- " .bss : 0x%p" " - 0x%p" " (%4d kB)\n",
+ " .text : 0x%p" " - 0x%p" " (%4td kB)\n"
+ " .init : 0x%p" " - 0x%p" " (%4td kB)\n"
+ " .data : 0x%p" " - 0x%p" " (%4td kB)\n"
+ " .bss : 0x%p" " - 0x%p" " (%4td kB)\n",
MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
(PAGE_SIZE)),
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-14 01:01:40 +0300