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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-12 10:47:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-12 10:47:33 -0700
commita60816720d754883978c8548308c92f24ced86dd (patch)
tree9da7696bd91b58a666741b3c9835d4a3155345ca
parent2184dbcde47aefd5358b14463a0d993013f5609e (diff)
parent98dcb872779f8bea30cd34716c7fdeb0963e3606 (diff)
Merge tag 'soc-arm-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC code updates from Arnd Bergmann: "These are mostly minor updates, including a number of kerneldoc fixes from Randy Dunlap across multiple platforms. OMAP gets a few bugfixes, and the MAINTAINERS file gets updated for AMD Zynq and NXP S32G" * tag 'soc-arm-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (23 commits) ARM: s32c: update MAINTAINERS entry ARM: AM33xx: PRM: Implement REBOOT_COLD ARM: AM33xx: PRM: Remove redundand defines ARM: omap1: remove duplicated 'select ARCH_OMAP' ARM: s3c64xx: make bus_type const ARM: imx: Remove usage of the deprecated ida_simple_xx() API ARM: OMAP2+: fix kernel-doc warnings ARM: OMAP2+: fix kernel-doc warnings ARM: OMAP2+: fix a kernel-doc warning ARM: OMAP2+: PRM: fix kernel-doc warnings ARM: OMAP2+: prm44xx: fix a kernel-doc warning ARM: OMAP2+: pmic-cpcap: fix kernel-doc warnings ARM: OMAP2+: hwmod: fix kernel-doc warnings ARM: OMAP2+: hwmod: remove misuse of kernel-doc ARM: OMAP2+: CMINST: use matching function name in kernel-doc ARM: OMAP2+: cm33xx: use matching function name in kernel-doc ARM: OMAP2+: clock: fix a function name in kernel-doc ARM: OMAP2+: clockdomain: fix kernel-doc warnings ARM: OMAP2+: am33xx-restart: fix function name in kernel-doc soc: xilinx: update maintainer of event manager driver ...
-rw-r--r--MAINTAINERS20
-rw-r--r--arch/arm/mach-imx/mmdc.c6
-rw-r--r--arch/arm/mach-omap1/Kconfig1
-rw-r--r--arch/arm/mach-omap2/am33xx-restart.c5
-rw-r--r--arch/arm/mach-omap2/board-generic.c6
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c2
-rw-r--r--arch/arm/mach-omap2/clockdomain.c4
-rw-r--r--arch/arm/mach-omap2/cm33xx.c2
-rw-r--r--arch/arm/mach-omap2/cminst44xx.c2
-rw-r--r--arch/arm/mach-omap2/omap-secure.c4
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c9
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_common_data.c6
-rw-r--r--arch/arm/mach-omap2/pmic-cpcap.c24
-rw-r--r--arch/arm/mach-omap2/powerdomain.c2
-rw-r--r--arch/arm/mach-omap2/prm-regbits-33xx.h1
-rw-r--r--arch/arm/mach-omap2/prm.h1
-rw-r--r--arch/arm/mach-omap2/prm33xx.c22
-rw-r--r--arch/arm/mach-omap2/prm44xx.c2
-rw-r--r--arch/arm/mach-omap2/prm_common.c10
-rw-r--r--arch/arm/mach-omap2/wd_timer.c4
-rw-r--r--arch/arm/mach-s3c/cpu.h2
-rw-r--r--arch/arm/mach-s3c/s3c6410.c2
-rw-r--r--arch/arm/mach-s3c/s3c64xx.c2
-rw-r--r--arch/arm/mach-s5pv210/pm.c2
-rw-r--r--arch/arm/mach-zynq/slcr.c5
25 files changed, 83 insertions, 63 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index a8457e441f18..c660e9be8ce6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2549,13 +2549,14 @@ F: drivers/*/*/*wpcm*
F: drivers/*/*wpcm*
ARM/NXP S32G ARCHITECTURE
-M: Chester Lin <chester62515@gmail.com>
-R: Andreas Färber <afaerber@suse.de>
+R: Chester Lin <chester62515@gmail.com>
R: Matthias Brugger <mbrugger@suse.com>
-R: NXP S32 Linux Team <s32@nxp.com>
+R: Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>
+L: NXP S32 Linux Team <s32@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm64/boot/dts/freescale/s32g*.dts*
+F: drivers/pinctrl/nxp/
ARM/Orion SoC/Technologic Systems TS-78xx platform support
M: Alexander Clouter <alex@digriz.org.uk>
@@ -17290,9 +17291,12 @@ M: Shawn Guo <shawnguo@kernel.org>
M: Jacky Bai <ping.bai@nxp.com>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
L: linux-gpio@vger.kernel.org
+L: NXP S32 Linux Team <s32@nxp.com>
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/fsl,*
+F: Documentation/devicetree/bindings/pinctrl/nxp,s32*
F: drivers/pinctrl/freescale/
+F: drivers/pinctrl/nxp/
PIN CONTROLLER - INTEL
M: Mika Westerberg <mika.westerberg@linux.intel.com>
@@ -17346,14 +17350,6 @@ S: Supported
F: drivers/gpio/gpio-sama5d2-piobu.c
F: drivers/pinctrl/pinctrl-at91*
-PIN CONTROLLER - NXP S32
-M: Chester Lin <clin@suse.com>
-R: NXP S32 Linux Team <s32@nxp.com>
-L: linux-gpio@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/pinctrl/nxp,s32*
-F: drivers/pinctrl/nxp/
-
PIN CONTROLLER - QUALCOMM
M: Bjorn Andersson <andersson@kernel.org>
L: linux-arm-msm@vger.kernel.org
@@ -24159,7 +24155,7 @@ F: Documentation/devicetree/bindings/net/can/xilinx,can.yaml
F: drivers/net/can/xilinx_can.c
XILINX EVENT MANAGEMENT DRIVER
-M: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
+M: Michal Simek <michal.simek@amd.com>
S: Maintained
F: drivers/soc/xilinx/xlnx_event_manager.c
F: include/linux/firmware/xlnx-event-manager.h
diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 444a7eaa320c..25893d109190 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -452,7 +452,7 @@ static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc,
.active_events = 0,
};
- pmu_mmdc->id = ida_simple_get(&mmdc_ida, 0, 0, GFP_KERNEL);
+ pmu_mmdc->id = ida_alloc(&mmdc_ida, GFP_KERNEL);
return pmu_mmdc->id;
}
@@ -461,7 +461,7 @@ static void imx_mmdc_remove(struct platform_device *pdev)
{
struct mmdc_pmu *pmu_mmdc = platform_get_drvdata(pdev);
- ida_simple_remove(&mmdc_ida, pmu_mmdc->id);
+ ida_free(&mmdc_ida, pmu_mmdc->id);
cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node);
perf_pmu_unregister(&pmu_mmdc->pmu);
iounmap(pmu_mmdc->mmdc_base);
@@ -529,7 +529,7 @@ pmu_register_err:
cpuhp_state_remove_instance_nocalls(cpuhp_mmdc_state, &pmu_mmdc->node);
hrtimer_cancel(&pmu_mmdc->hrtimer);
pmu_release_id:
- ida_simple_remove(&mmdc_ida, pmu_mmdc->id);
+ ida_free(&mmdc_ida, pmu_mmdc->id);
pmu_free:
kfree(pmu_mmdc);
return ret;
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index cbf703f0d850..a643b71e30a3 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -4,7 +4,6 @@ menuconfig ARCH_OMAP1
depends on ARCH_MULTI_V4T || ARCH_MULTI_V5
depends on CPU_LITTLE_ENDIAN
depends on ATAGS
- select ARCH_OMAP
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_OMAP
select CLKSRC_MMIO
diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c
index ef2f18a56b65..fcf3d557aa78 100644
--- a/arch/arm/mach-omap2/am33xx-restart.c
+++ b/arch/arm/mach-omap2/am33xx-restart.c
@@ -9,7 +9,7 @@
#include "prm.h"
/**
- * am3xx_restart - trigger a software restart of the SoC
+ * am33xx_restart - trigger a software restart of the SoC
* @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
* @cmd: passed from the userspace program rebooting the system (if provided)
*
@@ -18,7 +18,8 @@
*/
void am33xx_restart(enum reboot_mode mode, const char *cmd)
{
- /* TODO: Handle mode and cmd if necessary */
+ /* TODO: Handle cmd if necessary */
+ prm_reboot_mode = mode;
omap_prm_reset_system();
}
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index fde6ccb3df6e..68e0baad2bbf 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -246,6 +246,12 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
.init_time = omap_init_time_of,
.dt_compat = am33xx_boards_compat,
.restart = am33xx_restart,
+ /*
+ * Historically am33xx supported only REBOOT_WARM even though default
+ * reboot_mode was REBOOT_COLD. Reflect legacy de-facto behaviour in
+ * SYSFS.
+ */
+ .reboot_mode = REBOOT_WARM,
MACHINE_END
#endif
diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index be4557d1fdac..011076a5952f 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -162,7 +162,7 @@ static int omap2_select_table_rate(struct clk_hw *hw, unsigned long rate,
}
/**
- * omap2xxx_clkt_vps_check_bootloader_rate - determine which of the rate
+ * omap2xxx_clkt_vps_check_bootloader_rates - determine which of the rate
* table sets matches the current CORE DPLL hardware rate
*
* Check the MPU rate set by bootloader. Sets the 'curr_prcm_set'
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index d145e7ac709b..69dc5b839335 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -990,7 +990,7 @@ void clkdm_allow_idle(struct clockdomain *clkdm)
}
/**
- * clkdm_deny_idle - disable hwsup idle transitions for clkdm
+ * clkdm_deny_idle_nolock - disable hwsup idle transitions for clkdm
* @clkdm: struct clockdomain *
*
* Prevent the hardware from automatically switching the clockdomain
@@ -1110,7 +1110,7 @@ void clkdm_del_autodeps(struct clockdomain *clkdm)
/**
* clkdm_clk_enable - add an enabled downstream clock to this clkdm
* @clkdm: struct clockdomain *
- * @clk: struct clk * of the enabled downstream clock
+ * @unused: struct clk * of the enabled downstream clock
*
* Increment the usecount of the clockdomain @clkdm and ensure that it
* is awake before @clk is enabled. Intended to be called by
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index c824d4e3db63..acdf72a541c0 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -357,7 +357,7 @@ static int am33xx_clkdm_save_context(struct clockdomain *clkdm)
}
/**
- * am33xx_restore_save_context - Restore the clockdomain transition context
+ * am33xx_clkdm_restore_context - Restore the clockdomain transition context
* @clkdm: The clockdomain pointer whose context needs to be restored
*
* Restore the clockdomain transition context.
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 46670521b278..49483a888046 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -237,7 +237,7 @@ static void omap4_cminst_clkdm_disable_hwsup(u8 part, u16 inst, u16 cdoffs)
}
/**
- * omap4_cminst_clkdm_force_sleep - try to take a clockdomain out of idle
+ * omap4_cminst_clkdm_force_wakeup - try to take a clockdomain out of idle
* @part: PRCM partition ID that the clockdomain registers exist in
* @inst: CM instance register offset (*_INST macro)
* @cdoffs: Clockdomain register offset (*_CDOFFS macro)
diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c
index 29c7350b06ab..c2e1aecd07cc 100644
--- a/arch/arm/mach-omap2/omap-secure.c
+++ b/arch/arm/mach-omap2/omap-secure.c
@@ -47,7 +47,7 @@ static void __init omap_optee_init_check(void)
}
/**
- * omap_sec_dispatcher: Routine to dispatch low power secure
+ * omap_secure_dispatcher - Routine to dispatch low power secure
* service routines
* @idx: The HAL API index
* @flag: The flag indicating criticality of operation
@@ -183,7 +183,7 @@ static u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
/**
* rx51_secure_update_aux_cr: Routine to modify the contents of Auxiliary Control Register
* @set_bits: bits to set in ACR
- * @clr_bits: bits to clear in ACR
+ * @clear_bits: bits to clear in ACR
*
* Return the non-zero error value on failure.
*/
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index ba71928c0fcb..111677878d9c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -900,7 +900,7 @@ static int _init_interface_clks(struct omap_hwmod *oh)
}
/**
- * _init_opt_clk - get a struct clk * for the hwmod's optional clocks
+ * _init_opt_clks - get a struct clk * for the hwmod's optional clocks
* @oh: struct omap_hwmod *
*
* Called from _init_clocks(). Populates the @oh omap_hwmod_opt_clk
@@ -2297,7 +2297,7 @@ static void __init parse_module_flags(struct omap_hwmod *oh,
/**
* _init - initialize internal data for the hwmod @oh
* @oh: struct omap_hwmod *
- * @n: (unused)
+ * @data: (unused)
*
* Look up the clocks and the address space used by the MPU to access
* registers belonging to the hwmod @oh. @oh must already be
@@ -2493,7 +2493,7 @@ static void _setup_postsetup(struct omap_hwmod *oh)
/**
* _setup - prepare IP block hardware for use
* @oh: struct omap_hwmod *
- * @n: (unused, pass NULL)
+ * @data: (unused, pass NULL)
*
* Configure the IP block represented by @oh. This may include
* enabling the IP block, resetting it, and placing it into a
@@ -3367,8 +3367,9 @@ static int omap_hwmod_check_module(struct device *dev,
* omap_hwmod_allocate_module - allocate new module
* @dev: struct device
* @oh: module
+ * @data: module data
* @sysc_fields: sysc register bits
- * @clockdomain: clockdomain
+ * @clkdm: clockdomain
* @rev_offs: revision register offset
* @sysc_offs: sysconfig register offset
* @syss_offs: sysstatus register offset
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.c b/arch/arm/mach-omap2/omap_hwmod_common_data.c
index 246f1e5da99f..439232233c39 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.c
@@ -20,7 +20,7 @@
#include "omap_hwmod_common_data.h"
-/**
+/*
* struct omap_hwmod_sysc_type1 - TYPE1 sysconfig scheme.
*
* To be used by hwmod structure to specify the sysconfig offsets
@@ -36,7 +36,7 @@ struct sysc_regbits omap_hwmod_sysc_type1 = {
.autoidle_shift = SYSC_TYPE1_AUTOIDLE_SHIFT,
};
-/**
+/*
* struct omap_hwmod_sysc_type2 - TYPE2 sysconfig scheme.
*
* To be used by hwmod structure to specify the sysconfig offsets if the
@@ -50,7 +50,7 @@ struct sysc_regbits omap_hwmod_sysc_type2 = {
.dmadisable_shift = SYSC_TYPE2_DMADISABLE_SHIFT,
};
-/**
+/*
* struct omap_hwmod_sysc_type3 - TYPE3 sysconfig scheme.
* Used by some IPs on AM33xx
*/
diff --git a/arch/arm/mach-omap2/pmic-cpcap.c b/arch/arm/mach-omap2/pmic-cpcap.c
index 668dc84fd31e..4f31e61c0c90 100644
--- a/arch/arm/mach-omap2/pmic-cpcap.c
+++ b/arch/arm/mach-omap2/pmic-cpcap.c
@@ -18,10 +18,10 @@
#include "vc.h"
/**
- * omap_cpcap_vsel_to_vdc - convert CPCAP VSEL value to microvolts DC
+ * omap_cpcap_vsel_to_uv - convert CPCAP VSEL value to microvolts DC
* @vsel: CPCAP VSEL value to convert
*
- * Returns the microvolts DC that the CPCAP PMIC should generate when
+ * Returns: the microvolts DC that the CPCAP PMIC should generate when
* programmed with @vsel.
*/
static unsigned long omap_cpcap_vsel_to_uv(unsigned char vsel)
@@ -35,7 +35,7 @@ static unsigned long omap_cpcap_vsel_to_uv(unsigned char vsel)
* omap_cpcap_uv_to_vsel - convert microvolts DC to CPCAP VSEL value
* @uv: microvolts DC to convert
*
- * Returns the VSEL value necessary for the CPCAP PMIC to
+ * Returns: the VSEL value necessary for the CPCAP PMIC to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_cpcap_uv_to_vsel(unsigned long uv)
@@ -82,10 +82,10 @@ static struct omap_voltdm_pmic omap_cpcap_iva = {
};
/**
- * omap_max8952_vsel_to_vdc - convert MAX8952 VSEL value to microvolts DC
+ * omap_max8952_vsel_to_uv - convert MAX8952 VSEL value to microvolts DC
* @vsel: MAX8952 VSEL value to convert
*
- * Returns the microvolts DC that the MAX8952 Regulator should generate when
+ * Returns: the microvolts DC that the MAX8952 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_max8952_vsel_to_uv(unsigned char vsel)
@@ -99,7 +99,7 @@ static unsigned long omap_max8952_vsel_to_uv(unsigned char vsel)
* omap_max8952_uv_to_vsel - convert microvolts DC to MAX8952 VSEL value
* @uv: microvolts DC to convert
*
- * Returns the VSEL value necessary for the MAX8952 Regulator to
+ * Returns: the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_max8952_uv_to_vsel(unsigned long uv)
@@ -129,10 +129,10 @@ static struct omap_voltdm_pmic omap443x_max8952_mpu = {
};
/**
- * omap_fan5355_vsel_to_vdc - convert FAN535503 VSEL value to microvolts DC
+ * omap_fan535503_vsel_to_uv - convert FAN535503 VSEL value to microvolts DC
* @vsel: FAN535503 VSEL value to convert
*
- * Returns the microvolts DC that the FAN535503 Regulator should generate when
+ * Returns: the microvolts DC that the FAN535503 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_fan535503_vsel_to_uv(unsigned char vsel)
@@ -144,10 +144,10 @@ static unsigned long omap_fan535503_vsel_to_uv(unsigned char vsel)
}
/**
- * omap_fan535508_vsel_to_vdc - convert FAN535508 VSEL value to microvolts DC
+ * omap_fan535508_vsel_to_uv - convert FAN535508 VSEL value to microvolts DC
* @vsel: FAN535508 VSEL value to convert
*
- * Returns the microvolts DC that the FAN535508 Regulator should generate when
+ * Returns: the microvolts DC that the FAN535508 Regulator should generate when
* programmed with @vsel.
*/
static unsigned long omap_fan535508_vsel_to_uv(unsigned char vsel)
@@ -165,7 +165,7 @@ static unsigned long omap_fan535508_vsel_to_uv(unsigned char vsel)
* omap_fan535503_uv_to_vsel - convert microvolts DC to FAN535503 VSEL value
* @uv: microvolts DC to convert
*
- * Returns the VSEL value necessary for the MAX8952 Regulator to
+ * Returns: the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_fan535503_uv_to_vsel(unsigned long uv)
@@ -184,7 +184,7 @@ static unsigned char omap_fan535503_uv_to_vsel(unsigned long uv)
* omap_fan535508_uv_to_vsel - convert microvolts DC to FAN535508 VSEL value
* @uv: microvolts DC to convert
*
- * Returns the VSEL value necessary for the MAX8952 Regulator to
+ * Returns: the VSEL value necessary for the MAX8952 Regulator to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
static unsigned char omap_fan535508_uv_to_vsel(unsigned long uv)
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 5e05dd1324e7..2441d96b7144 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -1162,7 +1162,7 @@ static int pwrdm_save_context(struct powerdomain *pwrdm, void *unused)
}
/**
- * pwrdm_save_context - restore powerdomain registers
+ * pwrdm_restore_context - restore powerdomain registers
*
* Restore powerdomain control registers after a suspend or resume
* event.
diff --git a/arch/arm/mach-omap2/prm-regbits-33xx.h b/arch/arm/mach-omap2/prm-regbits-33xx.h
index 3748c5266ae1..9b97f8c76cd1 100644
--- a/arch/arm/mach-omap2/prm-regbits-33xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-33xx.h
@@ -15,6 +15,7 @@
#define AM33XX_GFX_MEM_STATEST_MASK (0x3 << 4)
#define AM33XX_GLOBAL_WARM_SW_RST_MASK (1 << 1)
#define AM33XX_RST_GLOBAL_WARM_SW_MASK (1 << 0)
+#define AM33XX_RST_GLOBAL_COLD_SW_MASK (1 << 1)
#define AM33XX_PRUSS_MEM_ONSTATE_MASK (0x3 << 5)
#define AM33XX_PRUSS_MEM_RETSTATE_MASK (1 << 7)
#define AM33XX_PRUSS_MEM_STATEST_MASK (0x3 << 23)
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index fc45a7ed09bb..fc53a27eed01 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -15,6 +15,7 @@
# ifndef __ASSEMBLER__
extern struct omap_domain_base prm_base;
extern u16 prm_features;
+extern enum reboot_mode prm_reboot_mode;
int omap_prcm_init(void);
int omap2_prcm_base_init(void);
# endif
diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c
index 4b65a0f9cf7d..505d685d6792 100644
--- a/arch/arm/mach-omap2/prm33xx.c
+++ b/arch/arm/mach-omap2/prm33xx.c
@@ -10,15 +10,12 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/reboot.h>
#include "powerdomain.h"
#include "prm33xx.h"
#include "prm-regbits-33xx.h"
-#define AM33XX_PRM_RSTCTRL_OFFSET 0x0000
-
-#define AM33XX_RST_GLOBAL_WARM_SW_MASK (1 << 0)
-
/* Read a register in a PRM instance */
static u32 am33xx_prm_read_reg(s16 inst, u16 idx)
{
@@ -322,10 +319,19 @@ static int am33xx_check_vcvp(void)
*
* Immediately reboots the device through warm reset.
*/
-static void am33xx_prm_global_warm_sw_reset(void)
+static void am33xx_prm_global_sw_reset(void)
{
- am33xx_prm_rmw_reg_bits(AM33XX_RST_GLOBAL_WARM_SW_MASK,
- AM33XX_RST_GLOBAL_WARM_SW_MASK,
+ /*
+ * Historically AM33xx performed warm reset for all requested reboot_mode.
+ * Keep this behaviour unchanged for all except newly added REBOOT_COLD.
+ */
+ u32 mask = AM33XX_RST_GLOBAL_WARM_SW_MASK;
+
+ if (prm_reboot_mode == REBOOT_COLD)
+ mask = AM33XX_RST_GLOBAL_COLD_SW_MASK;
+
+ am33xx_prm_rmw_reg_bits(mask,
+ mask,
AM33XX_PRM_DEVICE_MOD,
AM33XX_PRM_RSTCTRL_OFFSET);
@@ -386,7 +392,7 @@ static struct prm_ll_data am33xx_prm_ll_data = {
.assert_hardreset = am33xx_prm_assert_hardreset,
.deassert_hardreset = am33xx_prm_deassert_hardreset,
.is_hardreset_asserted = am33xx_prm_is_hardreset_asserted,
- .reset_system = am33xx_prm_global_warm_sw_reset,
+ .reset_system = am33xx_prm_global_sw_reset,
};
int __init am33xx_prm_init(const struct omap_prcm_init_data *data)
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 25093c1e5b9a..6c555438dd48 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -407,7 +407,7 @@ static bool omap44xx_prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx)
}
/**
- * omap44xx_prm_clear_context_lost_flags_old - clear context loss flags
+ * omap44xx_prm_clear_context_loss_flags_old - clear context loss flags
* @part: PRM partition ID (e.g., OMAP4430_PRM_PARTITION)
* @inst: PRM instance offset (e.g., OMAP4430_PRM_MPU_INST)
* @idx: CONTEXT register offset
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index fd896f2295a1..ee4588acda50 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -67,6 +67,12 @@ struct omap_domain_base prm_base;
u16 prm_features;
/*
+ * Platforms that implement different reboot modes can store the requested
+ * mode here.
+ */
+enum reboot_mode prm_reboot_mode;
+
+/*
* prm_ll_data: function pointers to SoC-specific implementations of
* common PRM functions
*/
@@ -370,7 +376,7 @@ bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx)
}
/**
- * prm_clear_context_lost_flags_old - clear context loss flags (old API)
+ * prm_clear_context_loss_flags_old - clear context loss flags (old API)
* @part: PRM partition ID (e.g., OMAP4430_PRM_PARTITION)
* @inst: PRM instance offset (e.g., OMAP4430_PRM_MPU_INST)
* @idx: CONTEXT register offset
@@ -497,6 +503,7 @@ int omap_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
/**
* omap_prm_vp_check_txdone - check voltage processor TX done status
+ * @vp_id: unique VP instance ID
*
* Checks if voltage processor transmission has been completed.
* Returns non-zero if a transmission has completed, 0 otherwise.
@@ -514,6 +521,7 @@ u32 omap_prm_vp_check_txdone(u8 vp_id)
/**
* omap_prm_vp_clear_txdone - clears voltage processor TX done status
+ * @vp_id: unique VP instance ID
*
* Clears the status bit for completed voltage processor transmission
* returned by prm_vp_check_txdone.
diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c
index d4ea56a5f75a..898e7e332981 100644
--- a/arch/arm/mach-omap2/wd_timer.c
+++ b/arch/arm/mach-omap2/wd_timer.c
@@ -57,7 +57,7 @@ int omap2_wd_timer_disable(struct omap_hwmod *oh)
}
/**
- * omap2_wdtimer_reset - reset and disable the WDTIMER IP block
+ * omap2_wd_timer_reset - reset and disable the WDTIMER IP block
* @oh: struct omap_hwmod *
*
* After the WDTIMER IP blocks are reset on OMAP2/3, we must also take
@@ -71,6 +71,8 @@ int omap2_wd_timer_disable(struct omap_hwmod *oh)
* during a normal merge window. omap_hwmod_softreset() should be
* renamed to omap_hwmod_set_ocp_softreset(), and omap_hwmod_softreset()
* should call the hwmod _ocp_softreset() code.
+ *
+ * Returns: %0 on success or -errno value on error.
*/
int omap2_wd_timer_reset(struct omap_hwmod *oh)
{
diff --git a/arch/arm/mach-s3c/cpu.h b/arch/arm/mach-s3c/cpu.h
index d0adc9b40e25..a0187606b999 100644
--- a/arch/arm/mach-s3c/cpu.h
+++ b/arch/arm/mach-s3c/cpu.h
@@ -76,6 +76,6 @@ extern void s3c24xx_init_uartdevs(char *name,
struct s3c24xx_uart_resources *res,
struct s3c2410_uartcfg *cfg, int no);
-extern struct bus_type s3c6410_subsys;
+extern const struct bus_type s3c6410_subsys;
#endif
diff --git a/arch/arm/mach-s3c/s3c6410.c b/arch/arm/mach-s3c/s3c6410.c
index e79f18d0ca81..a29276a4fde5 100644
--- a/arch/arm/mach-s3c/s3c6410.c
+++ b/arch/arm/mach-s3c/s3c6410.c
@@ -57,7 +57,7 @@ void __init s3c6410_init_irq(void)
s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
}
-struct bus_type s3c6410_subsys = {
+const struct bus_type s3c6410_subsys = {
.name = "s3c6410-core",
.dev_name = "s3c6410-core",
};
diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c
index 9f9717874d67..6c70ea7f2931 100644
--- a/arch/arm/mach-s3c/s3c64xx.c
+++ b/arch/arm/mach-s3c/s3c64xx.c
@@ -149,7 +149,7 @@ static struct map_desc s3c_iodesc[] __initdata = {
},
};
-static struct bus_type s3c64xx_subsys = {
+static const struct bus_type s3c64xx_subsys = {
.name = "s3c64xx-core",
.dev_name = "s3c64xx-core",
};
diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c
index d59c094cdea8..6fa70f787df4 100644
--- a/arch/arm/mach-s5pv210/pm.c
+++ b/arch/arm/mach-s5pv210/pm.c
@@ -47,7 +47,7 @@ static void s3c_pm_do_save(struct sleep_save *ptr, int count)
}
/**
- * s3c_pm_do_restore() - restore register values from the save list.
+ * s3c_pm_do_restore_core() - restore register values from the save list.
* @ptr: Pointer to an array of registers.
* @count: Size of the ptr array.
*
diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index 9765b3f4c2fc..6aae14b0736c 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -10,7 +10,6 @@
#include <linux/mfd/syscon.h>
#include <linux/of_address.h>
#include <linux/regmap.h>
-#include <linux/clk/zynq.h>
#include "common.h"
/* register offsets */
@@ -146,7 +145,7 @@ void zynq_slcr_cpu_stop(int cpu)
}
/**
- * zynq_slcr_cpu_state - Read/write cpu state
+ * zynq_slcr_cpu_state_read - Read cpu state
* @cpu: cpu number
*
* SLCR_REBOOT_STATUS save upper 2 bits (31/30 cpu states for cpu0 and cpu1)
@@ -165,7 +164,7 @@ bool zynq_slcr_cpu_state_read(int cpu)
}
/**
- * zynq_slcr_cpu_state - Read/write cpu state
+ * zynq_slcr_cpu_state_write - Write cpu state
* @cpu: cpu number
* @die: cpu state - true if cpu is going to die
*