Merge tag 'soc-arm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann: "The at91 power management code and the TI AM33 platform each get a few updates for robustness, the other changes are just minor cleanups" * tag 'soc-arm-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: versatile: clock: convert from round_rate() to determine_rate() ARM: rockchip: remove REGULATOR conditional to PM ARM: at91: pm: Remove 2.5V regulator ARM: OMAP2+: clock: convert from round_rate() to determine_rate() ARM: OMAP1: clock: convert from round_rate() to determine_rate() ARM: mach-hpe: Rework support and directory structure arm: omap2: use string choices helper ARM: OMAP2+: pm33xx-core: ix device node reference leaks in amx3_idle_init ARM: OMAP2+: use IS_ERR_OR_NULL() helper ARM: AM33xx: Implement TI advisory 1.0.36 (EMU0/EMU1 pins state on reset) ARM: at91: pm: save and restore ACR during PLL disable/enable ARM: at91: pm: fix MCKx restore routine ARM: at91: pm: fix .uhp_udp_mask specification for current SoCs ARM: shmobile: rcar-gen2: Use SZ_256K definition
author: Linus Torvalds <torvalds@linux-foundation.org> 2025-10-01 17:41:15 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2025-10-01 17:41:15 -0700
commit: 42cbaeec987b9fb91045060f2e7ce3152458ead9 (patch)
tree: e69718fcf56bf0f6e51fc62936f00da5beb12a97
parent: 38057e323657695ec8f814aff0cdd1c7e00d3e9b (diff)
parent: 65d2419f931c08ead6722fbb9d4bd8cecb25a7e3 (diff)
download: linux-42cbaeec987b9fb91045060f2e7ce3152458ead9.tar.gz
21 files changed, 113 insertions, 111 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 62a169218355f3..6d7b697bfdba16 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2737,7 +2737,6 @@ F:	Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml
 F:	Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
 F:	Documentation/hwmon/gxp-fan-ctrl.rst
 F:	arch/arm/boot/dts/hpe/
-F:	arch/arm/mach-hpe/
 F:	drivers/clocksource/timer-gxp.c
 F:	drivers/hwmon/gxp-fan-ctrl.c
 F:	drivers/i2c/busses/i2c-gxp.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 358057001859fc..f84aa52731a465 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -393,8 +393,6 @@ source "arch/arm/mach-highbank/Kconfig"
 
 source "arch/arm/mach-hisi/Kconfig"
 
-source "arch/arm/mach-hpe/Kconfig"
-
 source "arch/arm/mach-imx/Kconfig"
 
 source "arch/arm/mach-ixp4xx/Kconfig"
diff --git a/arch/arm/Kconfig.platforms b/arch/arm/Kconfig.platforms
index 845ab08e20a4b5..5c19c1f2cff612 100644
--- a/arch/arm/Kconfig.platforms
+++ b/arch/arm/Kconfig.platforms
@@ -87,6 +87,31 @@ config MACH_ASM9260
 	help
 	  Support for Alphascale ASM9260 based platform.
 
+menuconfig ARCH_HPE
+	bool "HPE SoC support"
+	depends on ARCH_MULTI_V7
+	help
+	  This enables support for HPE ARM based BMC chips.
+
+if ARCH_HPE
+
+config ARCH_HPE_GXP
+	bool "HPE GXP SoC"
+	depends on ARCH_MULTI_V7
+	select ARM_VIC
+	select GENERIC_IRQ_CHIP
+	select CLKSRC_MMIO
+	help
+	  HPE GXP is the name of the HPE Soc. This SoC is used to implement many
+	  BMC features at HPE. It supports ARMv7 architecture based on the Cortex
+	  A9 core. It is capable of using an AXI bus to which a memory controller
+	  is attached. It has multiple SPI interfaces to connect boot flash and
+	  BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It
+	  has multiple i2c engines to drive connectivity with a host
+	  infrastructure.
+
+endif
+
 menuconfig ARCH_MOXART
 	bool "MOXA ART SoC"
 	depends on ARCH_MULTI_V4
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e31e95ffd33fcf..b7de4b6b284ca2 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -189,7 +189,6 @@ machine-$(CONFIG_ARCH_FOOTBRIDGE)	+= footbridge
 machine-$(CONFIG_ARCH_GEMINI)		+= gemini
 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
 machine-$(CONFIG_ARCH_HISI)		+= hisi
-machine-$(CONFIG_ARCH_HPE)		+= hpe
 machine-$(CONFIG_ARCH_IXP4XX)		+= ixp4xx
 machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
 machine-$(CONFIG_ARCH_LPC18XX)		+= lpc18xx
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 3aa20038ad932b..35058b99069c15 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -1364,7 +1364,7 @@ static const struct pmc_info pmc_infos[] __initconst = {
 		.version = AT91_PMC_V1,
 	},
 	{
-		.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP,
+		.uhp_udp_mask = AT91SAM926x_PMC_UHP,
 		.mckr = 0x28,
 		.version = AT91_PMC_V2,
 	},
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index e23b8683409656..2e639f9ed6480e 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -87,29 +87,6 @@ tmp3	.req	r6
 
 	.endm
 
-/**
- * Set state for 2.5V low power regulator
- * @ena: 0 - disable regulator
- *	 1 - enable regulator
- *
- * Side effects: overwrites r7, r8, r9, r10
- */
-	.macro at91_2_5V_reg_set_low_power ena
-#ifdef CONFIG_SOC_SAMA7
-	ldr	r7, .sfrbu
-	mov	r8, #\ena
-	ldr	r9, [r7, #AT91_SFRBU_25LDOCR]
-	orr	r9, r9, #AT91_SFRBU_25LDOCR_LP
-	cmp	r8, #1
-	beq	lp_done_\ena
-	bic	r9, r9, #AT91_SFRBU_25LDOCR_LP
-lp_done_\ena:
-	ldr	r10, =AT91_SFRBU_25LDOCR_LDOANAKEY
-	orr	r9, r9, r10
-	str	r9, [r7, #AT91_SFRBU_25LDOCR]
-#endif
-	.endm
-
 	.macro at91_backup_set_lpm reg
 #ifdef CONFIG_SOC_SAMA7
 	orr	\reg, \reg, #0x200000
@@ -689,6 +666,10 @@ sr_dis_exit:
 	bic	tmp2, tmp2, #AT91_PMC_PLL_UPDT_ID
 	str	tmp2, [pmc, #AT91_PMC_PLL_UPDT]
 
+	/* save acr */
+	ldr	tmp2, [pmc, #AT91_PMC_PLL_ACR]
+	str	tmp2, .saved_acr
+
 	/* save div. */
 	mov	tmp1, #0
 	ldr	tmp2, [pmc, #AT91_PMC_PLL_CTRL0]
@@ -758,7 +739,7 @@ sr_dis_exit:
 	str	tmp1, [pmc, #AT91_PMC_PLL_UPDT]
 
 	/* step 2. */
-	ldr	tmp1, =AT91_PMC_PLL_ACR_DEFAULT_PLLA
+	ldr	tmp1, .saved_acr
 	str	tmp1, [pmc, #AT91_PMC_PLL_ACR]
 
 	/* step 3. */
@@ -904,7 +885,7 @@ e_done:
 /**
  * at91_mckx_ps_restore: restore MCKx settings
  *
- * Side effects: overwrites tmp1, tmp2
+ * Side effects: overwrites tmp1, tmp2 and tmp3
  */
 .macro at91_mckx_ps_restore
 #ifdef CONFIG_SOC_SAMA7
@@ -980,7 +961,7 @@ r_ps:
 	bic	tmp3, tmp3, #AT91_PMC_MCR_V2_ID_MSK
 	orr	tmp3, tmp3, tmp1
 	orr	tmp3, tmp3, #AT91_PMC_MCR_V2_CMD
-	str	tmp2, [pmc, #AT91_PMC_MCR_V2]
+	str	tmp3, [pmc, #AT91_PMC_MCR_V2]
 
 	wait_mckrdy tmp1
 
@@ -1019,9 +1000,6 @@ save_mck:
 
 	at91_plla_disable
 
-	/* Enable low power mode for 2.5V regulator. */
-	at91_2_5V_reg_set_low_power 1
-
 	ldr	tmp3, .pm_mode
 	cmp	tmp3, #AT91_PM_ULP1
 	beq	ulp1_mode
@@ -1034,9 +1012,6 @@ ulp1_mode:
 	b	ulp_exit
 
 ulp_exit:
-	/* Disable low power mode for 2.5V regulator. */
-	at91_2_5V_reg_set_low_power 0
-
 	ldr	pmc, .pmc_base
 
 	at91_plla_enable
@@ -1207,6 +1182,8 @@ ENDPROC(at91_pm_suspend_in_sram)
 #endif
 .saved_mckr:
 	.word 0
+.saved_acr:
+	.word 0
 .saved_pllar:
 	.word 0
 .saved_sam9_lpr:
diff --git a/arch/arm/mach-hpe/Kconfig b/arch/arm/mach-hpe/Kconfig
deleted file mode 100644
index 3372bbf38d3830..00000000000000
--- a/arch/arm/mach-hpe/Kconfig
+++ /dev/null
@@ -1,23 +0,0 @@
-menuconfig ARCH_HPE
-	bool "HPE SoC support"
-	depends on ARCH_MULTI_V7
-	help
-	  This enables support for HPE ARM based BMC chips.
-if ARCH_HPE
-
-config ARCH_HPE_GXP
-	bool "HPE GXP SoC"
-	depends on ARCH_MULTI_V7
-	select ARM_VIC
-	select GENERIC_IRQ_CHIP
-	select CLKSRC_MMIO
-	help
-	  HPE GXP is the name of the HPE Soc. This SoC is used to implement many
-	  BMC features at HPE. It supports ARMv7 architecture based on the Cortex
-	  A9 core. It is capable of using an AXI bus to which a memory controller
-	  is attached. It has multiple SPI interfaces to connect boot flash and
-	  BIOS flash. It uses a 10/100/1000 MAC for network connectivity. It
-	  has multiple i2c engines to drive connectivity with a host
-	  infrastructure.
-
-endif
diff --git a/arch/arm/mach-hpe/Makefile b/arch/arm/mach-hpe/Makefile
deleted file mode 100644
index 8b0a91234df4ed..00000000000000
--- a/arch/arm/mach-hpe/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_ARCH_HPE_GXP) += gxp.o
diff --git a/arch/arm/mach-hpe/gxp.c b/arch/arm/mach-hpe/gxp.c
deleted file mode 100644
index 581c8da517b865..00000000000000
--- a/arch/arm/mach-hpe/gxp.c
+++ /dev/null
@@ -1,15 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2022 Hewlett-Packard Enterprise Development Company, L.P. */
-
-#include <asm/mach/arch.h>
-
-static const char * const gxp_board_dt_compat[] = {
-	"hpe,gxp",
-	NULL,
-};
-
-DT_MACHINE_START(GXP_DT, "HPE GXP")
-	.dt_compat	= gxp_board_dt_compat,
-	.l2c_aux_val = 0,
-	.l2c_aux_mask = ~0,
-MACHINE_END
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 83381e23fab983..afc6404f62d39c 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -705,14 +705,21 @@ static unsigned long omap1_clk_recalc_rate(struct clk_hw *hw, unsigned long p_ra
 	return clk->rate;
 }
 
-static long omap1_clk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *p_rate)
+static int omap1_clk_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct omap1_clk *clk = to_omap1_clk(hw);
 
-	if (clk->round_rate != NULL)
-		return clk->round_rate(clk, rate, p_rate);
+	if (clk->round_rate != NULL) {
+		req->rate = clk->round_rate(clk, req->rate,
+					    &req->best_parent_rate);
 
-	return omap1_clk_recalc_rate(hw, *p_rate);
+		return 0;
+	}
+
+	req->rate = omap1_clk_recalc_rate(hw, req->best_parent_rate);
+
+	return 0;
 }
 
 static int omap1_clk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long p_rate)
@@ -771,7 +778,7 @@ const struct clk_ops omap1_clk_gate_ops = {
 
 const struct clk_ops omap1_clk_rate_ops = {
 	.recalc_rate	= omap1_clk_recalc_rate,
-	.round_rate	= omap1_clk_round_rate,
+	.determine_rate = omap1_clk_determine_rate,
 	.set_rate	= omap1_clk_set_rate,
 	.init		= omap1_clk_init_op,
 };
@@ -784,7 +791,7 @@ const struct clk_ops omap1_clk_full_ops = {
 	.disable_unused	= omap1_clk_disable_unused,
 #endif
 	.recalc_rate	= omap1_clk_recalc_rate,
-	.round_rate	= omap1_clk_round_rate,
+	.determine_rate = omap1_clk_determine_rate,
 	.set_rate	= omap1_clk_set_rate,
 	.init		= omap1_clk_init_op,
 };
diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c
index fcf3d557aa7866..3cdf223addcc28 100644
--- a/arch/arm/mach-omap2/am33xx-restart.c
+++ b/arch/arm/mach-omap2/am33xx-restart.c
@@ -2,12 +2,46 @@
 /*
  * am33xx-restart.c - Code common to all AM33xx machines.
  */
+#include <dt-bindings/pinctrl/am33xx.h>
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/reboot.h>
 
 #include "common.h"
+#include "control.h"
 #include "prm.h"
 
+/*
+ * Advisory 1.0.36 EMU0 and EMU1: Terminals Must be Pulled High Before
+ * ICEPick Samples
+ *
+ * If EMU0/EMU1 pins have been used as GPIO outputs and actively driving low
+ * level, the device might not reboot in normal mode. We are in a bad position
+ * to override GPIO state here, so just switch the pins into EMU input mode
+ * (that's what reset will do anyway) and wait a bit, because the state will be
+ * latched 190 ns after reset.
+ */
+static void am33xx_advisory_1_0_36(void)
+{
+	u32 emu0 = omap_ctrl_readl(AM335X_PIN_EMU0);
+	u32 emu1 = omap_ctrl_readl(AM335X_PIN_EMU1);
+
+	/* If both pins are in EMU mode, nothing to do */
+	if (!(emu0 & 7) && !(emu1 & 7))
+		return;
+
+	/* Switch GPIO3_7/GPIO3_8 into EMU0/EMU1 modes respectively */
+	omap_ctrl_writel(emu0 & ~7, AM335X_PIN_EMU0);
+	omap_ctrl_writel(emu1 & ~7, AM335X_PIN_EMU1);
+
+	/*
+	 * Give pull-ups time to load the pin/PCB trace capacity.
+	 * 5 ms shall be enough to load 1 uF (would be huge capacity for these
+	 * pins) with TI-recommended 4k7 external pull-ups.
+	 */
+	mdelay(5);
+}
+
 /**
  * am33xx_restart - trigger a software restart of the SoC
  * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
@@ -18,6 +52,8 @@
  */
 void am33xx_restart(enum reboot_mode mode, const char *cmd)
 {
+	am33xx_advisory_1_0_36();
+
 	/* TODO: Handle cmd if necessary */
 	prm_reboot_mode = mode;
 
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index ff2a4a4d822047..969265d5d5c6ef 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -167,7 +167,7 @@ static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
 
 #ifdef CONFIG_MMC_DEBUG
 	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
-		power_on ? "on" : "off", vdd);
+		str_on_off(power_on), vdd);
 #endif
 	if (slot == 0) {
 		if (!power_on)
diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index 011076a5952f0b..96c5cdc718c8b9 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -70,8 +70,8 @@ static unsigned long omap2_table_mpu_recalc(struct clk_hw *clk,
  * Some might argue L3-DDR, others ARM, others IVA. This code is simple and
  * just uses the ARM rates.
  */
-static long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int omap2_determine_rate_to_table(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	const struct prcm_config *ptr;
 	long highest_rate;
@@ -87,10 +87,12 @@ static long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate,
 		highest_rate = ptr->mpu_speed;
 
 		/* Can check only after xtal frequency check */
-		if (ptr->mpu_speed <= rate)
+		if (ptr->mpu_speed <= req->rate)
 			break;
 	}
-	return highest_rate;
+	req->rate = highest_rate;
+
+	return 0;
 }
 
 /* Sets basic clocks based on the specified rate */
@@ -215,7 +217,7 @@ static void omap2xxx_clkt_vps_late_init(void)
 static const struct clk_ops virt_prcm_set_ops = {
 	.recalc_rate	= &omap2_table_mpu_recalc,
 	.set_rate	= &omap2_select_table_rate,
-	.round_rate	= &omap2_round_to_table_rate,
+	.determine_rate = &omap2_determine_rate_to_table,
 };
 
 /**
diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
index c907478be196ed..4abb86dc98fdac 100644
--- a/arch/arm/mach-omap2/pm33xx-core.c
+++ b/arch/arm/mach-omap2/pm33xx-core.c
@@ -388,12 +388,15 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 		if (!state_node)
 			break;
 
-		if (!of_device_is_available(state_node))
+		if (!of_device_is_available(state_node)) {
+			of_node_put(state_node);
 			continue;
+		}
 
 		if (i == CPUIDLE_STATE_MAX) {
 			pr_warn("%s: cpuidle states reached max possible\n",
 				__func__);
+			of_node_put(state_node);
 			break;
 		}
 
@@ -403,6 +406,7 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 			states[state_count].wfi_flags |= WFI_FLAG_WAKE_M3 |
 							 WFI_FLAG_FLUSH_CACHE;
 
+		of_node_put(state_node);
 		state_count++;
 	}
 
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index a4785302b7ae59..0225b98894047e 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -1111,7 +1111,7 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
 	int curr_pwrst;
 	int ret = 0;
 
-	if (!pwrdm || IS_ERR(pwrdm))
+	if (IS_ERR_OR_NULL(pwrdm))
 		return -EINVAL;
 
 	while (!(pwrdm->pwrsts & (1 << pwrst))) {
diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index 49e8bc69abddf5..000c2bca5ef03c 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -51,7 +51,7 @@ static LIST_HEAD(voltdm_list);
  */
 unsigned long voltdm_get_voltage(struct voltagedomain *voltdm)
 {
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return 0;
 	}
@@ -73,7 +73,7 @@ static int voltdm_scale(struct voltagedomain *voltdm,
 	int ret, i;
 	unsigned long volt = 0;
 
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return -EINVAL;
 	}
@@ -124,7 +124,7 @@ void voltdm_reset(struct voltagedomain *voltdm)
 {
 	unsigned long target_volt;
 
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return;
 	}
@@ -154,7 +154,7 @@ void voltdm_reset(struct voltagedomain *voltdm)
 void omap_voltage_get_volttable(struct voltagedomain *voltdm,
 				struct omap_volt_data **volt_data)
 {
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return;
 	}
@@ -182,7 +182,7 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
 {
 	int i;
 
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return ERR_PTR(-EINVAL);
 	}
@@ -216,7 +216,7 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
 int omap_voltage_register_pmic(struct voltagedomain *voltdm,
 			       struct omap_voltdm_pmic *pmic)
 {
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return -EINVAL;
 	}
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index a709655b978cbc..03c481c4742c77 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -199,7 +199,7 @@ void omap_vp_enable(struct voltagedomain *voltdm)
 	struct omap_vp_instance *vp;
 	u32 vpconfig, volt;
 
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return;
 	}
@@ -244,7 +244,7 @@ void omap_vp_disable(struct voltagedomain *voltdm)
 	u32 vpconfig;
 	int timeout;
 
-	if (!voltdm || IS_ERR(voltdm)) {
+	if (IS_ERR_OR_NULL(voltdm)) {
 		pr_warn("%s: VDD specified does not exist!\n", __func__);
 		return;
 	}
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index b7855cc665e949..c90193dd392837 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -13,7 +13,7 @@ config ARCH_ROCKCHIP
 	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_TWD if SMP
 	select DW_APB_TIMER_OF
-	select REGULATOR if PM
+	select REGULATOR
 	select ROCKCHIP_TIMER
 	select ARM_GLOBAL_TIMER
 	select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 907a4f8c5aedee..46654d196f8dc6 100644
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -81,7 +81,7 @@ void __init rcar_gen2_pm_init(void)
 
 map:
 	/* RAM for jump stub, because BAR requires 256KB aligned address */
-	if (res.start & (256 * 1024 - 1) ||
+	if (res.start & (SZ_256K - 1) ||
 	    resource_size(&res) < shmobile_boot_size) {
 		pr_err("Invalid smp-sram region\n");
 		return;
diff --git a/arch/arm/mach-versatile/spc.c b/arch/arm/mach-versatile/spc.c
index 790092734cf615..812db32448fcd4 100644
--- a/arch/arm/mach-versatile/spc.c
+++ b/arch/arm/mach-versatile/spc.c
@@ -497,12 +497,13 @@ static unsigned long spc_recalc_rate(struct clk_hw *hw,
 	return freq * 1000;
 }
 
-static long spc_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *parent_rate)
+static int spc_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct clk_spc *spc = to_clk_spc(hw);
 
-	return ve_spc_round_performance(spc->cluster, drate);
+	req->rate = ve_spc_round_performance(spc->cluster, req->rate);
+
+	return 0;
 }
 
 static int spc_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -515,7 +516,7 @@ static int spc_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static struct clk_ops clk_spc_ops = {
 	.recalc_rate = spc_recalc_rate,
-	.round_rate = spc_round_rate,
+	.determine_rate = spc_determine_rate,
 	.set_rate = spc_set_rate,
 };
 
diff --git a/include/soc/at91/sama7-sfrbu.h b/include/soc/at91/sama7-sfrbu.h
index 76b740810d345d..8cee48d1ae2cea 100644
--- a/include/soc/at91/sama7-sfrbu.h
+++ b/include/soc/at91/sama7-sfrbu.h
@@ -18,13 +18,6 @@
 #define		AT91_SFRBU_PSWBU_SOFTSWITCH	(1 << 1)	/* Power switch BU source selection */
 #define		AT91_SFRBU_PSWBU_CTRL		(1 << 0)	/* Power switch BU control */
 
-#define AT91_SFRBU_25LDOCR			(0x0C)		/* SFRBU 2.5V LDO Control Register */
-#define		AT91_SFRBU_25LDOCR_LDOANAKEY	(0x3B6E18 << 8)	/* Specific value mandatory to allow writing of other register bits. */
-#define		AT91_SFRBU_25LDOCR_STATE	(1 << 3)	/* LDOANA Switch On/Off Control */
-#define		AT91_SFRBU_25LDOCR_LP		(1 << 2)	/* LDOANA Low-Power Mode Control */
-#define		AT91_SFRBU_PD_VALUE_MSK		(0x3)
-#define		AT91_SFRBU_25LDOCR_PD_VALUE(v)	((v) & AT91_SFRBU_PD_VALUE_MSK)	/* LDOANA Pull-down value */
-
 #define AT91_FRBU_DDRPWR			(0x10)		/* SFRBU DDR Power Control Register */
 #define		AT91_FRBU_DDRPWR_STATE		(1 << 0)	/* DDR Power Mode State */
author	Linus Torvalds <torvalds@linux-foundation.org>	2025-10-01 17:41:15 -0700
committer	Linus Torvalds <torvalds@linux-foundation.org>	2025-10-01 17:41:15 -0700
commit	42cbaeec987b9fb91045060f2e7ce3152458ead9 (patch)
tree	e69718fcf56bf0f6e51fc62936f00da5beb12a97
parent	38057e323657695ec8f814aff0cdd1c7e00d3e9b (diff)
parent	65d2419f931c08ead6722fbb9d4bd8cecb25a7e3 (diff)
download	linux-42cbaeec987b9fb91045060f2e7ce3152458ead9.tar.gz