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-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/boot/dts/ingenic/ci20.dts44
-rw-r--r--arch/mips/boot/dts/ingenic/jz4740.dtsi17
-rw-r--r--arch/mips/boot/dts/ingenic/jz4780.dtsi17
-rw-r--r--arch/mips/boot/dts/ingenic/x1000.dtsi6
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper-board.c4
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c6
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c8
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper-spi.c6
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c6
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper.c10
-rw-r--r--arch/mips/include/asm/futex.h5
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-board.h2
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-rgmii.h4
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-sgmii.h4
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-spi.h4
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-util.h2
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper-xaui.h4
-rw-r--r--arch/mips/include/asm/octeon/cvmx-helper.h8
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pko.h10
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pow.h22
-rw-r--r--arch/mips/include/asm/octeon/cvmx-wqe.h16
-rw-r--r--arch/mips/include/asm/sync.h4
-rw-r--r--arch/mips/kernel/setup.c3
-rw-r--r--arch/mips/kernel/smp.c9
-rw-r--r--arch/mips/kernel/vpe.c2
-rw-r--r--arch/mips/vdso/Makefile28
27 files changed, 141 insertions, 111 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 654369a7209d..66e94278bd10 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -50,6 +50,7 @@ config MIPS
select HAVE_ASM_MODVERSIONS
select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
select HAVE_CONTEXT_TRACKING
+ select HAVE_TIF_NOHZ
select HAVE_COPY_THREAD_TLS
select HAVE_C_RECORDMCOUNT
select HAVE_DEBUG_KMEMLEAK
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 37b93166bf22..c340f947baa0 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -4,6 +4,8 @@
#include "jz4780.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/regulator/active-semi,8865-regulator.h>
/ {
compatible = "img,ci20", "ingenic,jz4780";
@@ -163,63 +165,71 @@
regulators {
vddcore: SUDCDC1 {
- regulator-name = "VDDCORE";
+ regulator-name = "DCDC_REG1";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
};
vddmem: SUDCDC2 {
- regulator-name = "VDDMEM";
+ regulator-name = "DCDC_REG2";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
};
vcc_33: SUDCDC3 {
- regulator-name = "VCC33";
+ regulator-name = "DCDC_REG3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vcc_50: SUDCDC4 {
- regulator-name = "VCC50";
+ regulator-name = "SUDCDC_REG4";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
vcc_25: LDO_REG5 {
- regulator-name = "VCC25";
+ regulator-name = "LDO_REG5";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
};
wifi_io: LDO_REG6 {
- regulator-name = "WIFIIO";
+ regulator-name = "LDO_REG6";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
};
vcc_28: LDO_REG7 {
- regulator-name = "VCC28";
+ regulator-name = "LDO_REG7";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
};
vcc_15: LDO_REG8 {
- regulator-name = "VCC15";
+ regulator-name = "LDO_REG8";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
};
- vcc_18: LDO_REG9 {
- regulator-name = "VCC18";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <1800000>;
+ vrtc_18: LDO_REG9 {
+ regulator-name = "LDO_REG9";
+ /* Despite the datasheet stating 3.3V
+ * for REG9 and the driver expecting that,
+ * REG9 outputs 1.8V.
+ * Likely the CI20 uses a proprietary
+ * factory programmed chip variant.
+ * Since this is a simple on/off LDO the
+ * exact values do not matter.
+ */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vcc_11: LDO_REG10 {
- regulator-name = "VCC11";
- regulator-min-microvolt = <1100000>;
- regulator-max-microvolt = <1100000>;
+ regulator-name = "LDO_REG10";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
regulator-always-on;
};
};
@@ -261,7 +271,9 @@
rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
- interrupts = <110>;
+
+ interrupt-parent = <&gpf>;
+ interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
};
};
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 5accda2767be..a3301bab9231 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/jz4740-cgu.h>
+#include <dt-bindings/clock/ingenic,tcu.h>
/ {
#address-cells = <1>;
@@ -45,14 +46,6 @@
#clock-cells = <1>;
};
- watchdog: watchdog@10002000 {
- compatible = "ingenic,jz4740-watchdog";
- reg = <0x10002000 0x10>;
-
- clocks = <&cgu JZ4740_CLK_RTC>;
- clock-names = "rtc";
- };
-
tcu: timer@10002000 {
compatible = "ingenic,jz4740-tcu", "simple-mfd";
reg = <0x10002000 0x1000>;
@@ -73,6 +66,14 @@
interrupt-parent = <&intc>;
interrupts = <23 22 21>;
+
+ watchdog: watchdog@0 {
+ compatible = "ingenic,jz4740-watchdog";
+ reg = <0x0 0xc>;
+
+ clocks = <&tcu TCU_CLK_WDT>;
+ clock-names = "wdt";
+ };
};
rtc_dev: rtc@10003000 {
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index f928329b034b..bb89653d16a3 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/jz4780-cgu.h>
+#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/dma/jz4780-dma.h>
/ {
@@ -67,6 +68,14 @@
interrupt-parent = <&intc>;
interrupts = <27 26 25>;
+
+ watchdog: watchdog@0 {
+ compatible = "ingenic,jz4780-watchdog";
+ reg = <0x0 0xc>;
+
+ clocks = <&tcu TCU_CLK_WDT>;
+ clock-names = "wdt";
+ };
};
rtc_dev: rtc@10003000 {
@@ -348,14 +357,6 @@
status = "disabled";
};
- watchdog: watchdog@10002000 {
- compatible = "ingenic,jz4780-watchdog";
- reg = <0x10002000 0x10>;
-
- clocks = <&cgu JZ4780_CLK_RTCLK>;
- clock-names = "rtc";
- };
-
nemc: nemc@13410000 {
compatible = "ingenic,jz4780-nemc";
reg = <0x13410000 0x10000>;
diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
index 4994c695a1a7..147f7d5c243a 100644
--- a/arch/mips/boot/dts/ingenic/x1000.dtsi
+++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/clock/x1000-cgu.h>
#include <dt-bindings/dma/x1000-dma.h>
@@ -72,7 +73,7 @@
compatible = "ingenic,x1000-watchdog", "ingenic,jz4780-watchdog";
reg = <0x0 0x10>;
- clocks = <&cgu X1000_CLK_RTCLK>;
+ clocks = <&tcu TCU_CLK_WDT>;
clock-names = "wdt";
};
};
@@ -158,7 +159,6 @@
i2c0: i2c-controller@10050000 {
compatible = "ingenic,x1000-i2c";
reg = <0x10050000 0x1000>;
-
#address-cells = <1>;
#size-cells = <0>;
@@ -173,7 +173,6 @@
i2c1: i2c-controller@10051000 {
compatible = "ingenic,x1000-i2c";
reg = <0x10051000 0x1000>;
-
#address-cells = <1>;
#size-cells = <0>;
@@ -188,7 +187,6 @@
i2c2: i2c-controller@10052000 {
compatible = "ingenic,x1000-i2c";
reg = <0x10052000 0x1000>;
-
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
index 2e2d45bc850d..abd11b7af22f 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
@@ -207,9 +207,9 @@ int cvmx_helper_board_get_mii_address(int ipd_port)
* Returns The ports link status. If the link isn't fully resolved, this must
* return zero.
*/
-cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port)
+union cvmx_helper_link_info __cvmx_helper_board_link_get(int ipd_port)
{
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
WARN(!octeon_is_simulation(),
"Using deprecated link status - please update your DT");
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c
index e812ed9a03bb..c4b58598aa9d 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c
@@ -261,7 +261,7 @@ int __cvmx_helper_rgmii_enable(int interface)
*
* Returns Link state
*/
-cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port)
+union cvmx_helper_link_info __cvmx_helper_rgmii_link_get(int ipd_port)
{
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
@@ -270,7 +270,7 @@ cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port)
asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
if (asxx_prt_loop.s.int_loop & (1 << index)) {
/* Force 1Gbps full duplex on internal loopback */
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
result.u64 = 0;
result.s.full_duplex = 1;
result.s.link_up = 1;
@@ -292,7 +292,7 @@ cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port)
* Returns Zero on success, negative on failure
*/
int __cvmx_helper_rgmii_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info)
+ union cvmx_helper_link_info link_info)
{
int result = 0;
int interface = cvmx_helper_get_interface_num(ipd_port);
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
index f6ebf63dc84c..e07d8f15efba 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
@@ -200,7 +200,7 @@ static int __cvmx_helper_sgmii_hardware_init_link(int interface, int index)
*/
static int __cvmx_helper_sgmii_hardware_init_link_speed(int interface,
int index,
- cvmx_helper_link_info_t
+ union cvmx_helper_link_info
link_info)
{
int is_enabled;
@@ -394,9 +394,9 @@ int __cvmx_helper_sgmii_enable(int interface)
*
* Returns Link state
*/
-cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port)
+union cvmx_helper_link_info __cvmx_helper_sgmii_link_get(int ipd_port)
{
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
union cvmx_pcsx_miscx_ctl_reg pcs_misc_ctl_reg;
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
@@ -505,7 +505,7 @@ cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port)
* Returns Zero on success, negative on failure
*/
int __cvmx_helper_sgmii_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info)
+ union cvmx_helper_link_info link_info)
{
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
index 2a574d272671..525914e9b22d 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
@@ -140,9 +140,9 @@ int __cvmx_helper_spi_enable(int interface)
*
* Returns Link state
*/
-cvmx_helper_link_info_t __cvmx_helper_spi_link_get(int ipd_port)
+union cvmx_helper_link_info __cvmx_helper_spi_link_get(int ipd_port)
{
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
result.u64 = 0;
@@ -193,7 +193,7 @@ cvmx_helper_link_info_t __cvmx_helper_spi_link_get(int ipd_port)
*
* Returns Zero on success, negative on failure
*/
-int __cvmx_helper_spi_link_set(int ipd_port, cvmx_helper_link_info_t link_info)
+int __cvmx_helper_spi_link_set(int ipd_port, union cvmx_helper_link_info link_info)
{
/* Nothing to do. If we have a SPI4000 then the setup was already performed
by cvmx_spi4000_check_speed(). If not then there isn't any link
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
index 93a498d05184..842990e8404f 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
@@ -259,13 +259,13 @@ int __cvmx_helper_xaui_enable(int interface)
*
* Returns Link state
*/
-cvmx_helper_link_info_t __cvmx_helper_xaui_link_get(int ipd_port)
+union cvmx_helper_link_info __cvmx_helper_xaui_link_get(int ipd_port)
{
int interface = cvmx_helper_get_interface_num(ipd_port);
union cvmx_gmxx_tx_xaui_ctl gmxx_tx_xaui_ctl;
union cvmx_gmxx_rx_xaui_ctl gmxx_rx_xaui_ctl;
union cvmx_pcsxx_status1_reg pcsxx_status1_reg;
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
gmxx_tx_xaui_ctl.u64 = cvmx_read_csr(CVMX_GMXX_TX_XAUI_CTL(interface));
gmxx_rx_xaui_ctl.u64 = cvmx_read_csr(CVMX_GMXX_RX_XAUI_CTL(interface));
@@ -299,7 +299,7 @@ cvmx_helper_link_info_t __cvmx_helper_xaui_link_get(int ipd_port)
*
* Returns Zero on success, negative on failure
*/
-int __cvmx_helper_xaui_link_set(int ipd_port, cvmx_helper_link_info_t link_info)
+int __cvmx_helper_xaui_link_set(int ipd_port, union cvmx_helper_link_info link_info)
{
int interface = cvmx_helper_get_interface_num(ipd_port);
union cvmx_gmxx_tx_xaui_ctl gmxx_tx_xaui_ctl;
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index de391541d6f7..6044ff471002 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -782,9 +782,9 @@ static int __cvmx_helper_errata_fix_ipd_ptr_alignment(void)
#define INTERFACE(port) (port >> 4)
#define INDEX(port) (port & 0xf)
uint64_t *p64;
- cvmx_pko_command_word0_t pko_command;
+ union cvmx_pko_command_word0 pko_command;
union cvmx_buf_ptr g_buffer, pkt_buffer;
- cvmx_wqe_t *work;
+ struct cvmx_wqe *work;
int size, num_segs = 0, wqe_pcnt, pkt_pcnt;
union cvmx_gmxx_prtx_cfg gmx_cfg;
int retry_cnt;
@@ -1075,9 +1075,9 @@ int cvmx_helper_initialize_packet_io_local(void)
*
* Returns Link state
*/
-cvmx_helper_link_info_t cvmx_helper_link_get(int ipd_port)
+union cvmx_helper_link_info cvmx_helper_link_get(int ipd_port)
{
- cvmx_helper_link_info_t result;
+ union cvmx_helper_link_info result;
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
@@ -1136,7 +1136,7 @@ EXPORT_SYMBOL_GPL(cvmx_helper_link_get);
*
* Returns Zero on success, negative on failure
*/
-int cvmx_helper_link_set(int ipd_port, cvmx_helper_link_info_t link_info)
+int cvmx_helper_link_set(int ipd_port, union cvmx_helper_link_info link_info)
{
int result = -1;
int interface = cvmx_helper_get_interface_num(ipd_port);
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 110220705e97..2bf8f6014579 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -89,7 +89,8 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
{
int oldval = 0, ret;
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
@@ -116,8 +117,6 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-board.h b/arch/mips/include/asm/octeon/cvmx-helper-board.h
index d7fdcf0a0088..ce52aafe7a8d 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-board.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-board.h
@@ -93,7 +93,7 @@ extern int cvmx_helper_board_get_mii_address(int ipd_port);
* Returns The ports link status. If the link isn't fully resolved, this must
* return zero.
*/
-extern cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port);
+extern union cvmx_helper_link_info __cvmx_helper_board_link_get(int ipd_port);
/**
* This function is called by cvmx_helper_interface_probe() after it
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
index ac42b5066bd9..3e79a7f898b6 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
@@ -74,7 +74,7 @@ extern int __cvmx_helper_rgmii_enable(int interface);
*
* Returns Link state
*/
-extern cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port);
+extern union cvmx_helper_link_info __cvmx_helper_rgmii_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
@@ -88,6 +88,6 @@ extern cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port);
* Returns Zero on success, negative on failure
*/
extern int __cvmx_helper_rgmii_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info);
+ union cvmx_helper_link_info link_info);
#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
index 3a54dea58c0a..8aac90f1871f 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
@@ -68,7 +68,7 @@ extern int __cvmx_helper_sgmii_enable(int interface);
*
* Returns Link state
*/
-extern cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port);
+extern union cvmx_helper_link_info __cvmx_helper_sgmii_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
@@ -82,6 +82,6 @@ extern cvmx_helper_link_info_t __cvmx_helper_sgmii_link_get(int ipd_port);
* Returns Zero on success, negative on failure
*/
extern int __cvmx_helper_sgmii_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info);
+ union cvmx_helper_link_info link_info);
#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-spi.h b/arch/mips/include/asm/octeon/cvmx-helper-spi.h
index d5adf8592773..bc8cab9367b8 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-spi.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-spi.h
@@ -65,7 +65,7 @@ extern int __cvmx_helper_spi_enable(int interface);
*
* Returns Link state
*/
-extern cvmx_helper_link_info_t __cvmx_helper_spi_link_get(int ipd_port);
+extern union cvmx_helper_link_info __cvmx_helper_spi_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
@@ -79,6 +79,6 @@ extern cvmx_helper_link_info_t __cvmx_helper_spi_link_get(int ipd_port);
* Returns Zero on success, negative on failure
*/
extern int __cvmx_helper_spi_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info);
+ union cvmx_helper_link_info link_info);
#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-util.h b/arch/mips/include/asm/octeon/cvmx-helper-util.h
index e9a97e7ee604..97b27a07cfb0 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-util.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-util.h
@@ -123,7 +123,7 @@ static inline int cvmx_helper_get_last_ipd_port(int interface)
*
* @work: Work queue entry with packet to free
*/
-static inline void cvmx_helper_free_packet_data(cvmx_wqe_t *work)
+static inline void cvmx_helper_free_packet_data(struct cvmx_wqe *work)
{
uint64_t number_buffers;
union cvmx_buf_ptr buffer_ptr;
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-xaui.h b/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
index 51f45b495680..c18da2eba78e 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
@@ -68,7 +68,7 @@ extern int __cvmx_helper_xaui_enable(int interface);
*
* Returns Link state
*/
-extern cvmx_helper_link_info_t __cvmx_helper_xaui_link_get(int ipd_port);
+extern union cvmx_helper_link_info __cvmx_helper_xaui_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
@@ -82,6 +82,6 @@ extern cvmx_helper_link_info_t __cvmx_helper_xaui_link_get(int ipd_port);
* Returns Zero on success, negative on failure
*/
extern int __cvmx_helper_xaui_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info);
+ union cvmx_helper_link_info link_info);
#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-helper.h b/arch/mips/include/asm/octeon/cvmx-helper.h
index ba0e76f578e0..c6c99e28eefb 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper.h
@@ -51,7 +51,7 @@ typedef enum {
CVMX_HELPER_INTERFACE_MODE_LOOP,
} cvmx_helper_interface_mode_t;
-typedef union {
+union cvmx_helper_link_info {
uint64_t u64;
struct {
uint64_t reserved_20_63:44;
@@ -59,7 +59,7 @@ typedef union {
uint64_t full_duplex:1; /**< 1 if the link is full duplex */
uint64_t speed:18; /**< Speed of the link in Mbps */
} s;
-} cvmx_helper_link_info_t;
+};
#include <asm/octeon/cvmx-helper-errata.h>
#include <asm/octeon/cvmx-helper-loop.h>
@@ -145,7 +145,7 @@ extern cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int
*
* Returns Link state
*/
-extern cvmx_helper_link_info_t cvmx_helper_link_get(int ipd_port);
+extern union cvmx_helper_link_info cvmx_helper_link_get(int ipd_port);
/**
* Configure an IPD/PKO port for the specified link state. This
@@ -159,7 +159,7 @@ extern cvmx_helper_link_info_t cvmx_helper_link_get(int ipd_port);
* Returns Zero on success, negative on failure
*/
extern int cvmx_helper_link_set(int ipd_port,
- cvmx_helper_link_info_t link_info);
+ union cvmx_helper_link_info link_info);
/**
* This function probes an interface to determine the actual
diff --git a/arch/mips/include/asm/octeon/cvmx-pko.h b/arch/mips/include/asm/octeon/cvmx-pko.h
index 20eb9c46a75a..5b0b982a36f7 100644
--- a/arch/mips/include/asm/octeon/cvmx-pko.h
+++ b/arch/mips/include/asm/octeon/cvmx-pko.h
@@ -169,7 +169,7 @@ typedef union {
/**
* Structure of the first packet output command word.
*/
-typedef union {
+union cvmx_pko_command_word0 {
uint64_t u64;
struct {
#ifdef __BIG_ENDIAN_BITFIELD
@@ -261,7 +261,7 @@ typedef union {
uint64_t size1:2;
#endif
} s;
-} cvmx_pko_command_word0_t;
+};
/* CSR typedefs have been moved to cvmx-csr-*.h */
@@ -394,7 +394,7 @@ static inline void cvmx_pko_send_packet_prepare(uint64_t port, uint64_t queue,
CVMX_TAG_SW_BITS_INTERNAL << CVMX_TAG_SW_SHIFT |
CVMX_TAG_SUBGROUP_PKO << CVMX_TAG_SUBGROUP_SHIFT |
(CVMX_TAG_SUBGROUP_MASK & queue);
- cvmx_pow_tag_sw_full((cvmx_wqe_t *) cvmx_phys_to_ptr(0x80), tag,
+ cvmx_pow_tag_sw_full((struct cvmx_wqe *) cvmx_phys_to_ptr(0x80), tag,
CVMX_POW_TAG_TYPE_ATOMIC, 0);
}
}
@@ -419,7 +419,7 @@ static inline void cvmx_pko_send_packet_prepare(uint64_t port, uint64_t queue,
static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(
uint64_t port,
uint64_t queue,
- cvmx_pko_command_word0_t pko_command,
+ union cvmx_pko_command_word0 pko_command,
union cvmx_buf_ptr packet,
cvmx_pko_lock_t use_locking)
{
@@ -462,7 +462,7 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(
static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(
uint64_t port,
uint64_t queue,
- cvmx_pko_command_word0_t pko_command,
+ union cvmx_pko_command_word0 pko_command,
union cvmx_buf_ptr packet,
uint64_t addr,
cvmx_pko_lock_t use_locking)
diff --git a/arch/mips/include/asm/octeon/cvmx-pow.h b/arch/mips/include/asm/octeon/cvmx-pow.h
index 410bb70e5aac..ba366f4f3c3d 100644
--- a/arch/mips/include/asm/octeon/cvmx-pow.h
+++ b/arch/mips/include/asm/octeon/cvmx-pow.h
@@ -1283,7 +1283,7 @@ static inline cvmx_pow_tag_req_t cvmx_pow_get_current_tag(void)
*
* Returns WQE pointer
*/
-static inline cvmx_wqe_t *cvmx_pow_get_current_wqp(void)
+static inline struct cvmx_wqe *cvmx_pow_get_current_wqp(void)
{
cvmx_pow_load_addr_t load_addr;
cvmx_pow_tag_load_resp_t load_resp;
@@ -1296,7 +1296,7 @@ static inline cvmx_wqe_t *cvmx_pow_get_current_wqp(void)
load_addr.sstatus.get_cur = 1;
load_addr.sstatus.get_wqp = 1;
load_resp.u64 = cvmx_read_csr(load_addr.u64);
- return (cvmx_wqe_t *) cvmx_phys_to_ptr(load_resp.s_sstatus4.wqp);
+ return (struct cvmx_wqe *) cvmx_phys_to_ptr(load_resp.s_sstatus4.wqp);
}
#ifndef CVMX_MF_CHORD
@@ -1348,7 +1348,7 @@ static inline void cvmx_pow_tag_sw_wait(void)
* Returns Returns the WQE pointer from POW. Returns NULL if no work
* was available.
*/
-static inline cvmx_wqe_t *cvmx_pow_work_request_sync_nocheck(cvmx_pow_wait_t
+static inline struct cvmx_wqe *cvmx_pow_work_request_sync_nocheck(cvmx_pow_wait_t
wait)
{
cvmx_pow_load_addr_t ptr;
@@ -1368,7 +1368,7 @@ static inline cvmx_wqe_t *cvmx_pow_work_request_sync_nocheck(cvmx_pow_wait_t
if (result.s_work.no_work)
return NULL;
else
- return (cvmx_wqe_t *) cvmx_phys_to_ptr(result.s_work.addr);
+ return (struct cvmx_wqe *) cvmx_phys_to_ptr(result.s_work.addr);
}
/**
@@ -1382,7 +1382,7 @@ static inline cvmx_wqe_t *cvmx_pow_work_request_sync_nocheck(cvmx_pow_wait_t
* Returns Returns the WQE pointer from POW. Returns NULL if no work
* was available.
*/
-static inline cvmx_wqe_t *cvmx_pow_work_request_sync(cvmx_pow_wait_t wait)
+static inline struct cvmx_wqe *cvmx_pow_work_request_sync(cvmx_pow_wait_t wait)
{
if (CVMX_ENABLE_POW_CHECKS)
__cvmx_pow_warn_if_pending_switch(__func__);
@@ -1485,7 +1485,7 @@ static inline void cvmx_pow_work_request_async(int scr_addr,
* Returns Returns the WQE from the scratch register, or NULL if no
* work was available.
*/
-static inline cvmx_wqe_t *cvmx_pow_work_response_async(int scr_addr)
+static inline struct cvmx_wqe *cvmx_pow_work_response_async(int scr_addr)
{
cvmx_pow_tag_load_resp_t result;
@@ -1495,7 +1495,7 @@ static inline cvmx_wqe_t *cvmx_pow_work_response_async(int scr_addr)
if (result.s_work.no_work)
return NULL;
else
- return (cvmx_wqe_t *) cvmx_phys_to_ptr(result.s_work.addr);
+ return (struct cvmx_wqe *) cvmx_phys_to_ptr(result.s_work.addr);
}
/**
@@ -1508,7 +1508,7 @@ static inline cvmx_wqe_t *cvmx_pow_work_response_async(int scr_addr)
* Returns 0 if pointer is valid
* 1 if invalid (no work was returned)
*/
-static inline uint64_t cvmx_pow_work_invalid(cvmx_wqe_t *wqe_ptr)
+static inline uint64_t cvmx_pow_work_invalid(struct cvmx_wqe *wqe_ptr)
{
return wqe_ptr == NULL;
}
@@ -1638,7 +1638,7 @@ static inline void cvmx_pow_tag_sw(uint32_t tag,
* @tag_type: type of tag
* @group: group value for the work queue entry.
*/
-static inline void cvmx_pow_tag_sw_full_nocheck(cvmx_wqe_t *wqp, uint32_t tag,
+static inline void cvmx_pow_tag_sw_full_nocheck(struct cvmx_wqe *wqp, uint32_t tag,
enum cvmx_pow_tag_type tag_type,
uint64_t group)
{
@@ -1712,7 +1712,7 @@ static inline void cvmx_pow_tag_sw_full_nocheck(cvmx_wqe_t *wqp, uint32_t tag,
* @tag_type: type of tag
* @group: group value for the work queue entry.
*/
-static inline void cvmx_pow_tag_sw_full(cvmx_wqe_t *wqp, uint32_t tag,
+static inline void cvmx_pow_tag_sw_full(struct cvmx_wqe *wqp, uint32_t tag,
enum cvmx_pow_tag_type tag_type,
uint64_t group)
{
@@ -1803,7 +1803,7 @@ static inline void cvmx_pow_tag_sw_null(void)
* @qos: Input queue to add to.
* @grp: group value for the work queue entry.
*/
-static inline void cvmx_pow_work_submit(cvmx_wqe_t *wqp, uint32_t tag,
+static inline void cvmx_pow_work_submit(struct cvmx_wqe *wqp, uint32_t tag,
enum cvmx_pow_tag_type tag_type,
uint64_t qos, uint64_t grp)
{
diff --git a/arch/mips/include/asm/octeon/cvmx-wqe.h b/arch/mips/include/asm/octeon/cvmx-wqe.h
index 0d697aa786d4..9cec2299b81b 100644
--- a/arch/mips/include/asm/octeon/cvmx-wqe.h
+++ b/arch/mips/include/asm/octeon/cvmx-wqe.h
@@ -547,7 +547,7 @@ union cvmx_wqe_word1 {
*
* must be 8-byte aligned
*/
-typedef struct {
+struct cvmx_wqe {
/*****************************************************************
* WORD 0
@@ -593,9 +593,9 @@ typedef struct {
*
*/
-} CVMX_CACHE_LINE_ALIGNED cvmx_wqe_t;
+} CVMX_CACHE_LINE_ALIGNED;
-static inline int cvmx_wqe_get_port(cvmx_wqe_t *work)
+static inline int cvmx_wqe_get_port(struct cvmx_wqe *work)
{
int port;
@@ -607,7 +607,7 @@ static inline int cvmx_wqe_get_port(cvmx_wqe_t *work)
return port;
}
-static inline void cvmx_wqe_set_port(cvmx_wqe_t *work, int port)
+static inline void cvmx_wqe_set_port(struct cvmx_wqe *work, int port)
{
if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
work->word2.s_cn68xx.port = port;
@@ -615,7 +615,7 @@ static inline void cvmx_wqe_set_port(cvmx_wqe_t *work, int port)
work->word1.cn38xx.ipprt = port;
}
-static inline int cvmx_wqe_get_grp(cvmx_wqe_t *work)
+static inline int cvmx_wqe_get_grp(struct cvmx_wqe *work)
{
int grp;
@@ -627,7 +627,7 @@ static inline int cvmx_wqe_get_grp(cvmx_wqe_t *work)
return grp;
}
-static inline void cvmx_wqe_set_grp(cvmx_wqe_t *work, int grp)
+static inline void cvmx_wqe_set_grp(struct cvmx_wqe *work, int grp)
{
if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
work->word1.cn68xx.grp = grp;
@@ -635,7 +635,7 @@ static inline void cvmx_wqe_set_grp(cvmx_wqe_t *work, int grp)
work->word1.cn38xx.grp = grp;
}
-static inline int cvmx_wqe_get_qos(cvmx_wqe_t *work)
+static inline int cvmx_wqe_get_qos(struct cvmx_wqe *work)
{
int qos;
@@ -647,7 +647,7 @@ static inline int cvmx_wqe_get_qos(cvmx_wqe_t *work)
return qos;
}
-static inline void cvmx_wqe_set_qos(cvmx_wqe_t *work, int qos)
+static inline void cvmx_wqe_set_qos(struct cvmx_wqe *work, int qos)
{
if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
work->word1.cn68xx.qos = qos;
diff --git a/arch/mips/include/asm/sync.h b/arch/mips/include/asm/sync.h
index 7c6a1095f556..aabd097933fe 100644
--- a/arch/mips/include/asm/sync.h
+++ b/arch/mips/include/asm/sync.h
@@ -155,9 +155,11 @@
* effective barrier as noted by commit 6b07d38aaa52 ("MIPS: Octeon: Use
* optimized memory barrier primitives."). Here we specify that the affected
* sync instructions should be emitted twice.
+ * Note that this expression is evaluated by the assembler (not the compiler),
+ * and that the assembler evaluates '==' as 0 or -1, not 0 or 1.
*/
#ifdef CONFIG_CPU_CAVIUM_OCTEON
-# define __SYNC_rpt(type) (1 + (type == __SYNC_wmb))
+# define __SYNC_rpt(type) (1 - (type == __SYNC_wmb))
#else
# define __SYNC_rpt(type) 1
#endif
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 1ac2752fb791..a7b469d89e2c 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -605,7 +605,8 @@ static void __init bootcmdline_init(char **cmdline_p)
* If we're configured to take boot arguments from DT, look for those
* now.
*/
- if (IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB))
+ if (IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB) ||
+ IS_ENABLED(CONFIG_MIPS_CMDLINE_DTB_EXTEND))
of_scan_flat_dt(bootcmdline_scan_chosen, &dt_bootargs);
#endif
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index f510c00bda88..0def6242b3ea 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -696,29 +696,22 @@ EXPORT_SYMBOL(flush_tlb_one);
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
-static DEFINE_PER_CPU(atomic_t, tick_broadcast_count);
static DEFINE_PER_CPU(call_single_data_t, tick_broadcast_csd);
void tick_broadcast(const struct cpumask *mask)
{
- atomic_t *count;
call_single_data_t *csd;
int cpu;
for_each_cpu(cpu, mask) {
- count = &per_cpu(tick_broadcast_count, cpu);
csd = &per_cpu(tick_broadcast_csd, cpu);
-
- if (atomic_inc_return(count) == 1)
- smp_call_function_single_async(cpu, csd);
+ smp_call_function_single_async(cpu, csd);
}
}
static void tick_broadcast_callee(void *info)
{
- int cpu = smp_processor_id();
tick_receive_broadcast();
- atomic_set(&per_cpu(tick_broadcast_count, cpu), 0);
}
static int __init tick_broadcast_init(void)
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 6176b9acba95..d0d832ab3d3b 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -134,7 +134,7 @@ void release_vpe(struct vpe *v)
{
list_del(&v->list);
if (v->load_addr)
- release_progmem(v);
+ release_progmem(v->load_addr);
kfree(v);
}
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index aa89a41dc5dd..d7fe8408603e 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -33,6 +33,7 @@ endif
cflags-vdso := $(ccflags-vdso) \
$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
-O3 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
+ -mrelax-pic-calls $(call cc-option, -mexplicit-relocs) \
-fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \
$(call cc-option, -fno-asynchronous-unwind-tables) \
$(call cc-option, -fno-stack-protector)
@@ -51,6 +52,8 @@ endif
CFLAGS_REMOVE_vgettimeofday.o = -pg
+DISABLE_VDSO := n
+
#
# For the pre-R6 code in arch/mips/vdso/vdso.h for locating
# the base address of VDSO, the linker will emit a R_MIPS_PC32
@@ -64,11 +67,24 @@ CFLAGS_REMOVE_vgettimeofday.o = -pg
ifndef CONFIG_CPU_MIPSR6
ifeq ($(call ld-ifversion, -lt, 225000000, y),y)
$(warning MIPS VDSO requires binutils >= 2.25)
- obj-vdso-y := $(filter-out vgettimeofday.o, $(obj-vdso-y))
- ccflags-vdso += -DDISABLE_MIPS_VDSO
+ DISABLE_VDSO := y
endif
endif
+#
+# GCC (at least up to version 9.2) appears to emit function calls that make use
+# of the GOT when targeting microMIPS, which we can't use in the VDSO due to
+# the lack of relocations. As such, we disable the VDSO for microMIPS builds.
+#
+ifdef CONFIG_CPU_MICROMIPS
+ DISABLE_VDSO := y
+endif
+
+ifeq ($(DISABLE_VDSO),y)
+ obj-vdso-y := $(filter-out vgettimeofday.o, $(obj-vdso-y))
+ ccflags-vdso += -DDISABLE_MIPS_VDSO
+endif
+
# VDSO linker flags.
VDSO_LDFLAGS := \
-Wl,-Bsymbolic -Wl,--no-undefined -Wl,-soname=linux-vdso.so.1 \
@@ -81,12 +97,18 @@ GCOV_PROFILE := n
UBSAN_SANITIZE := n
KCOV_INSTRUMENT := n
+# Check that we don't have PIC 'jalr t9' calls left
+quiet_cmd_vdso_mips_check = VDSOCHK $@
+ cmd_vdso_mips_check = if $(OBJDUMP) --disassemble $@ | egrep -h "jalr.*t9" > /dev/null; \
+ then (echo >&2 "$@: PIC 'jalr t9' calls are not supported"; \
+ rm -f $@; /bin/false); fi
+
#
# Shared build commands.
#
quiet_cmd_vdsold_and_vdso_check = LD $@
- cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check)
+ cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check); $(cmd_vdso_mips_check)
quiet_cmd_vdsold = VDSO $@
cmd_vdsold = $(CC) $(c_flags) $(VDSO_LDFLAGS) \