diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index d818ece..3f6b507 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -417,14 +417,6 @@
 	map_uncached_pages(vaddr, size, paddr);
 	*dma_handle = (dma_addr_t) paddr;
 
-#if 0
-/* This probably isn't needed to support EISA cards.
-** ISA cards will certainly only support 24-bit DMA addressing.
-** Not clear if we can, want, or need to support ISA.
-*/
-	if (!dev || *dev->coherent_dma_mask < 0xffffffff)
-		gfp |= GFP_DMA;
-#endif
 	return (void *)vaddr;
 }
 
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 033b9e5..8130627 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -337,7 +337,7 @@
 	: "r19", "r20", "r21", "r22", "r1" );
 #else
     {
-	unsigned long valh=(val>>32),vall=(val&0xffffffffl);
+	unsigned long valh = (val >> 32), vall = (val & 0xffffffffl);
 	__asm__ __volatile__ (
 "	mtsp	%4, %%sr1\n"
 "	zdep	%2, 29, 2, %%r19\n"
@@ -473,7 +473,7 @@
 	case OPCODE_LDWA_I:
 	case OPCODE_LDW_S:
 	case OPCODE_LDWA_S:
-		ret = emulate_ldw(regs, R3(regs->iir),0);
+		ret = emulate_ldw(regs, R3(regs->iir), 0);
 		break;
 
 	case OPCODE_STH:
@@ -482,7 +482,7 @@
 
 	case OPCODE_STW:
 	case OPCODE_STWA:
-		ret = emulate_stw(regs, R2(regs->iir),0);
+		ret = emulate_stw(regs, R2(regs->iir), 0);
 		break;
 
 #ifdef CONFIG_64BIT
@@ -490,12 +490,12 @@
 	case OPCODE_LDDA_I:
 	case OPCODE_LDD_S:
 	case OPCODE_LDDA_S:
-		ret = emulate_ldd(regs, R3(regs->iir),0);
+		ret = emulate_ldd(regs, R3(regs->iir), 0);
 		break;
 
 	case OPCODE_STD:
 	case OPCODE_STDA:
-		ret = emulate_std(regs, R2(regs->iir),0);
+		ret = emulate_std(regs, R2(regs->iir), 0);
 		break;
 #endif
 
@@ -503,24 +503,24 @@
 	case OPCODE_FLDWS:
 	case OPCODE_FLDWXR:
 	case OPCODE_FLDWSR:
-		ret = emulate_ldw(regs,FR3(regs->iir),1);
+		ret = emulate_ldw(regs, FR3(regs->iir), 1);
 		break;
 
 	case OPCODE_FLDDX:
 	case OPCODE_FLDDS:
-		ret = emulate_ldd(regs,R3(regs->iir),1);
+		ret = emulate_ldd(regs, R3(regs->iir), 1);
 		break;
 
 	case OPCODE_FSTWX:
 	case OPCODE_FSTWS:
 	case OPCODE_FSTWXR:
 	case OPCODE_FSTWSR:
-		ret = emulate_stw(regs,FR3(regs->iir),1);
+		ret = emulate_stw(regs, FR3(regs->iir), 1);
 		break;
 
 	case OPCODE_FSTDX:
 	case OPCODE_FSTDS:
-		ret = emulate_std(regs,R3(regs->iir),1);
+		ret = emulate_std(regs, R3(regs->iir), 1);
 		break;
 
 	case OPCODE_LDCD_I:
diff --git a/arch/parisc/mm/fixmap.c b/arch/parisc/mm/fixmap.c
index cc15d73..ae3493d 100644
--- a/arch/parisc/mm/fixmap.c
+++ b/arch/parisc/mm/fixmap.c
@@ -19,9 +19,6 @@
 	pmd_t *pmd = pmd_offset(pud, vaddr);
 	pte_t *pte;
 
-	if (pmd_none(*pmd))
-		pte = pte_alloc_kernel(pmd, vaddr);
-
 	pte = pte_offset_kernel(pmd, vaddr);
 	set_pte_at(&init_mm, vaddr, pte, __mk_pte(phys, PAGE_KERNEL_RWX));
 	flush_tlb_kernel_range(vaddr, vaddr + PAGE_SIZE);
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 406c52f..389941c7 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -669,6 +669,39 @@
 		  PAGE_SIZE, PAGE_GATEWAY, 1);
 }
 
+static void __init fixmap_init(void)
+{
+	unsigned long addr = FIXMAP_START;
+	unsigned long end = FIXMAP_START + FIXMAP_SIZE;
+	pgd_t *pgd = pgd_offset_k(addr);
+	p4d_t *p4d = p4d_offset(pgd, addr);
+	pud_t *pud = pud_offset(p4d, addr);
+	pmd_t *pmd;
+
+	BUILD_BUG_ON(FIXMAP_SIZE > PMD_SIZE);
+
+#if CONFIG_PGTABLE_LEVELS == 3
+	if (pud_none(*pud)) {
+		pmd = memblock_alloc(PAGE_SIZE << PMD_TABLE_ORDER,
+				     PAGE_SIZE << PMD_TABLE_ORDER);
+		if (!pmd)
+			panic("fixmap: pmd allocation failed.\n");
+		pud_populate(NULL, pud, pmd);
+	}
+#endif
+
+	pmd = pmd_offset(pud, addr);
+	do {
+		pte_t *pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+		if (!pte)
+			panic("fixmap: pte allocation failed.\n");
+
+		pmd_populate_kernel(&init_mm, pmd, pte);
+
+		addr += PAGE_SIZE;
+	} while (addr < end);
+}
+
 static void __init parisc_bootmem_free(void)
 {
 	unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, };
@@ -683,6 +716,7 @@
 	setup_bootmem();
 	pagetable_init();
 	gateway_init();
+	fixmap_init();
 	flush_cache_all_local(); /* start with known state */
 	flush_tlb_all_local(NULL);
 
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index f132d87..6440b1b 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -375,8 +375,7 @@
 	beq	20f
 
 	/* start the specified thread */
-	LOAD_REG_ADDR(r5, fsl_secondary_thread_init)
-	ld	r4, 0(r5)
+	LOAD_REG_ADDR(r5, DOTSYM(fsl_secondary_thread_init))
 	bl	book3e_start_thread
 
 	/* stop the current thread */
diff --git a/arch/powerpc/kernel/trace/ftrace_mprofile.S b/arch/powerpc/kernel/trace/ftrace_mprofile.S
index ffb1db3..1f7d86d 100644
--- a/arch/powerpc/kernel/trace/ftrace_mprofile.S
+++ b/arch/powerpc/kernel/trace/ftrace_mprofile.S
@@ -33,6 +33,9 @@
  * and then arrange for the ftrace function to be called.
  */
 .macro	ftrace_regs_entry allregs
+	/* Create a minimal stack frame for representing B */
+	PPC_STLU	r1, -STACK_FRAME_MIN_SIZE(r1)
+
 	/* Create our stack frame + pt_regs */
 	PPC_STLU	r1,-SWITCH_FRAME_SIZE(r1)
 
@@ -42,7 +45,7 @@
 
 #ifdef CONFIG_PPC64
 	/* Save the original return address in A's stack frame */
-	std	r0, LRSAVE+SWITCH_FRAME_SIZE(r1)
+	std	r0, LRSAVE+SWITCH_FRAME_SIZE+STACK_FRAME_MIN_SIZE(r1)
 	/* Ok to continue? */
 	lbz	r3, PACA_FTRACE_ENABLED(r13)
 	cmpdi	r3, 0
@@ -77,6 +80,8 @@
 	mflr	r7
 	/* Save it as pt_regs->nip */
 	PPC_STL	r7, _NIP(r1)
+	/* Also save it in B's stackframe header for proper unwind */
+	PPC_STL	r7, LRSAVE+SWITCH_FRAME_SIZE(r1)
 	/* Save the read LR in pt_regs->link */
 	PPC_STL	r0, _LINK(r1)
 
@@ -142,7 +147,7 @@
 #endif
 
 	/* Pop our stack frame */
-	addi r1, r1, SWITCH_FRAME_SIZE
+	addi r1, r1, SWITCH_FRAME_SIZE+STACK_FRAME_MIN_SIZE
 
 #ifdef CONFIG_LIVEPATCH_64
         /* Based on the cmpd above, if the NIP was altered handle livepatch */
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index fe1b830..0ec5b45 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -314,8 +314,7 @@
 	start = ALIGN_DOWN(start, page_size);
 	if (altmap) {
 		alt_start = altmap->base_pfn;
-		alt_end = altmap->base_pfn + altmap->reserve +
-			  altmap->free + altmap->alloc + altmap->align;
+		alt_end = altmap->base_pfn + altmap->reserve + altmap->free;
 	}
 
 	pr_debug("vmemmap_free %lx...%lx\n", start, end);
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 9c43cf3..40aa582 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -180,7 +180,7 @@
 	unsigned long inia;
 	int cpu = *(const int *)info;
 
-	inia = *(unsigned long *)fsl_secondary_thread_init;
+	inia = ppc_function_entry(fsl_secondary_thread_init);
 	book3e_start_thread(cpu_thread_in_core(cpu), inia);
 }
 #endif
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 4c5790a..8633891 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -26,8 +26,8 @@
 #include <linux/rtc.h>
 #include <linux/of_address.h>
 
+#include <asm/early_ioremap.h>
 #include <asm/sections.h>
-#include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/time.h>
 #include <asm/nvram.h>
@@ -182,7 +182,7 @@
 		return 0;
 	}
 	of_node_put(vias);
-	via = ioremap(rsrc.start, resource_size(&rsrc));
+	via = early_ioremap(rsrc.start, resource_size(&rsrc));
 	if (via == NULL) {
 		printk(KERN_ERR "Failed to map VIA for timer calibration !\n");
 		return 0;
@@ -207,7 +207,7 @@
 
 	ppc_tb_freq = (dstart - dend) * 100 / 6;
 
-	iounmap(via);
+	early_iounmap((void *)via, resource_size(&rsrc));
 
 	return 1;
 }
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 370d18aca..c6ece32 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1100,7 +1100,14 @@
 		}
 	} else {
 		sdev->sector_size = ata_id_logical_sector_size(dev->id);
+		/*
+		 * Stop the drive on suspend but do not issue START STOP UNIT
+		 * on resume as this is not necessary and may fail: the device
+		 * will be woken up by ata_port_pm_resume() with a port reset
+		 * and device revalidation.
+		 */
 		sdev->manage_start_stop = 1;
+		sdev->no_start_on_resume = 1;
 	}
 
 	/*
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 93f38a8..6b3b424 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -444,6 +444,7 @@
 config COMMON_CLK_FIXED_MMIO
 	bool "Clock driver for Memory Mapped Fixed values"
 	depends on COMMON_CLK && OF
+	depends on HAS_IOMEM
 	help
 	  Support for Memory Mapped IO Fixed clocks
 
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
index b6c7c27..44f4351 100644
--- a/drivers/clk/imx/clk-imx93.c
+++ b/drivers/clk/imx/clk-imx93.c
@@ -291,7 +291,7 @@
 	anatop_base = devm_of_iomap(dev, np, 0, NULL);
 	of_node_put(np);
 	if (WARN_ON(IS_ERR(anatop_base))) {
-		ret = PTR_ERR(base);
+		ret = PTR_ERR(anatop_base);
 		goto unregister_hws;
 	}
 
diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c
index 1ba421b..e31f943 100644
--- a/drivers/clk/mediatek/clk-mt8183.c
+++ b/drivers/clk/mediatek/clk-mt8183.c
@@ -328,6 +328,14 @@
 	"syspll_d5"
 };
 
+static const char * const sspm_parents[] = {
+	"clk26m",
+	"univpll_d2_d4",
+	"syspll_d2_d2",
+	"univpll_d2_d2",
+	"syspll_d3"
+};
+
 static const char * const dpi0_parents[] = {
 	"clk26m",
 	"tvdpll_d2",
@@ -507,6 +515,9 @@
 	/* CLK_CFG_6 */
 	MUX_GATE_CLR_SET_UPD(CLK_TOP_MUX_ATB, "atb_sel",
 		atb_parents, 0xa0, 0xa4, 0xa8, 0, 2, 7, 0x004, 24),
+	MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MUX_SSPM, "sspm_sel",
+				   sspm_parents, 0xa0, 0xa4, 0xa8, 8, 3, 15, 0x004, 25,
+				   CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
 	MUX_GATE_CLR_SET_UPD(CLK_TOP_MUX_DPI0, "dpi0_sel",
 		dpi0_parents, 0xa0, 0xa4, 0xa8, 16, 4, 23, 0x004, 26),
 	MUX_GATE_CLR_SET_UPD(CLK_TOP_MUX_SCAM, "scam_sel",
@@ -673,10 +684,18 @@
 	GATE_MTK(_id, _name, _parent, &infra2_cg_regs, _shift,	\
 		&mtk_clk_gate_ops_setclr)
 
+#define GATE_INFRA2_FLAGS(_id, _name, _parent, _shift, _flag)	\
+	GATE_MTK_FLAGS(_id, _name, _parent, &infra2_cg_regs, 	\
+		       _shift, &mtk_clk_gate_ops_setclr, _flag)
+
 #define GATE_INFRA3(_id, _name, _parent, _shift)		\
 	GATE_MTK(_id, _name, _parent, &infra3_cg_regs, _shift,	\
 		&mtk_clk_gate_ops_setclr)
 
+#define GATE_INFRA3_FLAGS(_id, _name, _parent, _shift, _flag)	\
+	GATE_MTK_FLAGS(_id, _name, _parent, &infra3_cg_regs, 	\
+		       _shift, &mtk_clk_gate_ops_setclr, _flag)
+
 static const struct mtk_gate infra_clks[] = {
 	/* INFRA0 */
 	GATE_INFRA0(CLK_INFRA_PMIC_TMR, "infra_pmic_tmr", "axi_sel", 0),
@@ -748,7 +767,11 @@
 	GATE_INFRA2(CLK_INFRA_UNIPRO_TICK, "infra_unipro_tick", "fufs_sel", 12),
 	GATE_INFRA2(CLK_INFRA_UFS_MP_SAP_BCLK, "infra_ufs_mp_sap_bck", "fufs_sel", 13),
 	GATE_INFRA2(CLK_INFRA_MD32_BCLK, "infra_md32_bclk", "axi_sel", 14),
+	/* infra_sspm is main clock in co-processor, should not be closed in Linux. */
+	GATE_INFRA2_FLAGS(CLK_INFRA_SSPM, "infra_sspm", "sspm_sel", 15, CLK_IS_CRITICAL),
 	GATE_INFRA2(CLK_INFRA_UNIPRO_MBIST, "infra_unipro_mbist", "axi_sel", 16),
+	/* infra_sspm_bus_hclk is main clock in co-processor, should not be closed in Linux. */
+	GATE_INFRA2_FLAGS(CLK_INFRA_SSPM_BUS_HCLK, "infra_sspm_bus_hclk", "axi_sel", 17, CLK_IS_CRITICAL),
 	GATE_INFRA2(CLK_INFRA_I2C5, "infra_i2c5", "i2c_sel", 18),
 	GATE_INFRA2(CLK_INFRA_I2C5_ARBITER, "infra_i2c5_arbiter", "i2c_sel", 19),
 	GATE_INFRA2(CLK_INFRA_I2C5_IMM, "infra_i2c5_imm", "i2c_sel", 20),
@@ -766,6 +789,10 @@
 	GATE_INFRA3(CLK_INFRA_MSDC0_SELF, "infra_msdc0_self", "msdc50_0_sel", 0),
 	GATE_INFRA3(CLK_INFRA_MSDC1_SELF, "infra_msdc1_self", "msdc50_0_sel", 1),
 	GATE_INFRA3(CLK_INFRA_MSDC2_SELF, "infra_msdc2_self", "msdc50_0_sel", 2),
+	/* infra_sspm_26m_self is main clock in co-processor, should not be closed in Linux. */
+	GATE_INFRA3_FLAGS(CLK_INFRA_SSPM_26M_SELF, "infra_sspm_26m_self", "f_f26m_ck", 3, CLK_IS_CRITICAL),
+	/* infra_sspm_32k_self is main clock in co-processor, should not be closed in Linux. */
+	GATE_INFRA3_FLAGS(CLK_INFRA_SSPM_32K_SELF, "infra_sspm_32k_self", "f_f26m_ck", 4, CLK_IS_CRITICAL),
 	GATE_INFRA3(CLK_INFRA_UFS_AXI, "infra_ufs_axi", "axi_sel", 5),
 	GATE_INFRA3(CLK_INFRA_I2C6, "infra_i2c6", "i2c_sel", 6),
 	GATE_INFRA3(CLK_INFRA_AP_MSDC0, "infra_ap_msdc0", "msdc50_hclk_sel", 7),
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c
index 8fef90b..6fa7639 100644
--- a/drivers/clk/meson/clk-pll.c
+++ b/drivers/clk/meson/clk-pll.c
@@ -367,9 +367,9 @@
 	 * 3. enable the lock detect module
 	 */
 	if (MESON_PARM_APPLICABLE(&pll->current_en)) {
-		usleep_range(10, 20);
+		udelay(10);
 		meson_parm_write(clk->map, &pll->current_en, 1);
-		usleep_range(40, 50);
+		udelay(40);
 	}
 
 	if (MESON_PARM_APPLICABLE(&pll->l_detect)) {
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index 0dcc497..5e44752 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -28,7 +28,6 @@
 #include <linux/sysctl.h>
 
 #include <asm/io.h>
-#include <asm/dma.h>
 #include <linux/uaccess.h>
 #include <asm/superio.h>
 
@@ -226,9 +225,9 @@
 
 /* --- Initialisation code -------------------------------- */
 
-struct parport *parport_gsc_probe_port(unsigned long base,
+static struct parport *parport_gsc_probe_port(unsigned long base,
 				       unsigned long base_hi, int irq,
-				       int dma, struct parisc_device *padev)
+				       struct parisc_device *padev)
 {
 	struct parport_gsc_private *priv;
 	struct parport_operations *ops;
@@ -250,12 +249,9 @@
 	}
 	priv->ctr = 0xc;
 	priv->ctr_writable = 0xff;
-	priv->dma_buf = NULL;
-	priv->dma_handle = 0;
 	p->base = base;
 	p->base_hi = base_hi;
 	p->irq = irq;
-	p->dma = dma;
 	p->modes = PARPORT_MODE_PCSPP | PARPORT_MODE_SAFEININT;
 	p->ops = ops;
 	p->private_data = priv;
@@ -286,17 +282,9 @@
 	if (p->irq == PARPORT_IRQ_AUTO) {
 		p->irq = PARPORT_IRQ_NONE;
 	}
-	if (p->irq != PARPORT_IRQ_NONE) {
+	if (p->irq != PARPORT_IRQ_NONE)
 		pr_cont(", irq %d", p->irq);
 
-		if (p->dma == PARPORT_DMA_AUTO) {
-			p->dma = PARPORT_DMA_NONE;
-		}
-	}
-	if (p->dma == PARPORT_DMA_AUTO) /* To use DMA, giving the irq
-                                           is mandatory (see above) */
-		p->dma = PARPORT_DMA_NONE;
-
 	pr_cont(" [");
 #define printmode(x)							\
 do {									\
@@ -321,7 +309,6 @@
 			pr_warn("%s: irq %d in use, resorting to polled operation\n",
 				p->name, p->irq);
 			p->irq = PARPORT_IRQ_NONE;
-			p->dma = PARPORT_DMA_NONE;
 		}
 	}
 
@@ -369,8 +356,7 @@
 		pr_info("%s: enhanced parport-modes not supported\n", __func__);
 	}
 	
-	p = parport_gsc_probe_port(port, 0, dev->irq,
-			/* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, dev);
+	p = parport_gsc_probe_port(port, 0, dev->irq, dev);
 	if (p)
 		parport_count++;
 	dev_set_drvdata(&dev->dev, p);
@@ -382,16 +368,10 @@
 {
 	struct parport *p = dev_get_drvdata(&dev->dev);
 	if (p) {
-		struct parport_gsc_private *priv = p->private_data;
 		struct parport_operations *ops = p->ops;
 		parport_remove_port(p);
-		if (p->dma != PARPORT_DMA_NONE)
-			free_dma(p->dma);
 		if (p->irq != PARPORT_IRQ_NONE)
 			free_irq(p->irq, p);
-		if (priv->dma_buf)
-			dma_free_coherent(&priv->dev->dev, PAGE_SIZE,
-					  priv->dma_buf, priv->dma_handle);
 		kfree (p->private_data);
 		parport_put_port(p);
 		kfree (ops); /* hope no-one cached it */
diff --git a/drivers/parport/parport_gsc.h b/drivers/parport/parport_gsc.h
index 9301217e..d447a56 100644
--- a/drivers/parport/parport_gsc.h
+++ b/drivers/parport/parport_gsc.h
@@ -63,8 +63,6 @@
 	int writeIntrThreshold;
 
 	/* buffer suitable for DMA, if DMA enabled */
-	char *dma_buf;
-	dma_addr_t dma_handle;
 	struct pci_dev *dev;
 };
 
@@ -199,9 +197,4 @@
 
 extern void parport_gsc_dec_use_count(void);
 
-extern struct parport *parport_gsc_probe_port(unsigned long base,
-						unsigned long base_hi,
-						int irq, int dma,
-						struct parisc_device *padev);
-
 #endif	/* __DRIVERS_PARPORT_PARPORT_GSC_H */
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 68b12af..3c668cf 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3876,7 +3876,7 @@
 static int sd_resume(struct device *dev)
 {
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
-	int ret;
+	int ret = 0;
 
 	if (!sdkp)	/* E.g.: runtime resume at the start of sd_probe() */
 		return 0;
@@ -3884,8 +3884,11 @@
 	if (!sdkp->device->manage_start_stop)
 		return 0;
 
-	sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
-	ret = sd_start_stop_device(sdkp, 1);
+	if (!sdkp->device->no_start_on_resume) {
+		sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
+		ret = sd_start_stop_device(sdkp, 1);
+	}
+
 	if (!ret)
 		opal_unlock_from_suspend(sdkp->opal_dev);
 	return ret;
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c
index df3fd3b..ee772c3 100644
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -177,8 +177,12 @@
 		struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl);
 
 		rc = dfs_get_referral(mnt_ctx, ref_path + 1, NULL, &tl);
-		if (rc)
+		if (rc) {
+			rc = cifs_mount_get_tcon(mnt_ctx);
+			if (!rc)
+				rc = cifs_is_path_remote(mnt_ctx);
 			break;
+		}
 
 		tit = dfs_cache_get_tgt_iterator(&tl);
 		if (!tit) {
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 75b2235..b9230b6 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -194,6 +194,7 @@
 	unsigned no_start_on_add:1;	/* do not issue start on add */
 	unsigned allow_restart:1; /* issue START_UNIT in error handler */
 	unsigned manage_start_stop:1;	/* Let HLD (sd) manage start/stop */
+	unsigned no_start_on_resume:1; /* Do not issue START_STOP_UNIT on resume */
 	unsigned start_stop_pwr_cond:1;	/* Set power cond. in START_STOP_UNIT */
 	unsigned no_uld_attach:1; /* disable connecting to upper level drivers */
 	unsigned select_no_atn:1;
diff --git a/rust/Makefile b/rust/Makefile
index 7c9d9f1..4124bfa 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -257,7 +257,7 @@
 	-fno-partial-inlining -fplugin-arg-arm_ssp_per_task_plugin-% \
 	-fno-reorder-blocks -fno-allow-store-data-races -fasan-shadow-offset=% \
 	-fzero-call-used-regs=% -fno-stack-clash-protection \
-	-fno-inline-functions-called-once \
+	-fno-inline-functions-called-once -fsanitize=bounds-strict \
 	--param=% --param asan-%
 
 # Derived from `scripts/Makefile.clang`.
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 3e601ce..0589549 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -13,5 +13,6 @@
 #include <linux/sched.h>
 
 /* `bindgen` gets confused at certain things. */
+const size_t BINDINGS_ARCH_SLAB_MINALIGN = ARCH_SLAB_MINALIGN;
 const gfp_t BINDINGS_GFP_KERNEL = GFP_KERNEL;
 const gfp_t BINDINGS___GFP_ZERO = __GFP_ZERO;
diff --git a/rust/kernel/allocator.rs b/rust/kernel/allocator.rs
index 397a3dd..9363b52 100644
--- a/rust/kernel/allocator.rs
+++ b/rust/kernel/allocator.rs
@@ -9,6 +9,36 @@
 
 struct KernelAllocator;
 
+/// Calls `krealloc` with a proper size to alloc a new object aligned to `new_layout`'s alignment.
+///
+/// # Safety
+///
+/// - `ptr` can be either null or a pointer which has been allocated by this allocator.
+/// - `new_layout` must have a non-zero size.
+unsafe fn krealloc_aligned(ptr: *mut u8, new_layout: Layout, flags: bindings::gfp_t) -> *mut u8 {
+    // Customized layouts from `Layout::from_size_align()` can have size < align, so pad first.
+    let layout = new_layout.pad_to_align();
+
+    let mut size = layout.size();
+
+    if layout.align() > bindings::BINDINGS_ARCH_SLAB_MINALIGN {
+        // The alignment requirement exceeds the slab guarantee, thus try to enlarge the size
+        // to use the "power-of-two" size/alignment guarantee (see comments in `kmalloc()` for
+        // more information).
+        //
+        // Note that `layout.size()` (after padding) is guaranteed to be a multiple of
+        // `layout.align()`, so `next_power_of_two` gives enough alignment guarantee.
+        size = size.next_power_of_two();
+    }
+
+    // SAFETY:
+    // - `ptr` is either null or a pointer returned from a previous `k{re}alloc()` by the
+    //   function safety requirement.
+    // - `size` is greater than 0 since it's either a `layout.size()` (which cannot be zero
+    //    according to the function safety requirement) or a result from `next_power_of_two()`.
+    unsafe { bindings::krealloc(ptr as *const core::ffi::c_void, size, flags) as *mut u8 }
+}
+
 unsafe impl GlobalAlloc for KernelAllocator {
     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
         // `krealloc()` is used instead of `kmalloc()` because the latter is
@@ -30,10 +60,20 @@
 // to extract the object file that has them from the archive. For the moment,
 // let's generate them ourselves instead.
 //
+// Note: Although these are *safe* functions, they are called by the compiler
+// with parameters that obey the same `GlobalAlloc` function safety
+// requirements: size and align should form a valid layout, and size is
+// greater than 0.
+//
 // Note that `#[no_mangle]` implies exported too, nowadays.
 #[no_mangle]
-fn __rust_alloc(size: usize, _align: usize) -> *mut u8 {
-    unsafe { bindings::krealloc(core::ptr::null(), size, bindings::GFP_KERNEL) as *mut u8 }
+fn __rust_alloc(size: usize, align: usize) -> *mut u8 {
+    // SAFETY: See assumption above.
+    let layout = unsafe { Layout::from_size_align_unchecked(size, align) };
+
+    // SAFETY: `ptr::null_mut()` is null, per assumption above the size of `layout` is greater
+    // than 0.
+    unsafe { krealloc_aligned(ptr::null_mut(), layout, bindings::GFP_KERNEL) }
 }
 
 #[no_mangle]
@@ -42,23 +82,27 @@
 }
 
 #[no_mangle]
-fn __rust_realloc(ptr: *mut u8, _old_size: usize, _align: usize, new_size: usize) -> *mut u8 {
-    unsafe {
-        bindings::krealloc(
-            ptr as *const core::ffi::c_void,
-            new_size,
-            bindings::GFP_KERNEL,
-        ) as *mut u8
-    }
+fn __rust_realloc(ptr: *mut u8, _old_size: usize, align: usize, new_size: usize) -> *mut u8 {
+    // SAFETY: See assumption above.
+    let new_layout = unsafe { Layout::from_size_align_unchecked(new_size, align) };
+
+    // SAFETY: Per assumption above, `ptr` is allocated by `__rust_*` before, and the size of
+    // `new_layout` is greater than 0.
+    unsafe { krealloc_aligned(ptr, new_layout, bindings::GFP_KERNEL) }
 }
 
 #[no_mangle]
-fn __rust_alloc_zeroed(size: usize, _align: usize) -> *mut u8 {
+fn __rust_alloc_zeroed(size: usize, align: usize) -> *mut u8 {
+    // SAFETY: See assumption above.
+    let layout = unsafe { Layout::from_size_align_unchecked(size, align) };
+
+    // SAFETY: `ptr::null_mut()` is null, per assumption above the size of `layout` is greater
+    // than 0.
     unsafe {
-        bindings::krealloc(
-            core::ptr::null(),
-            size,
+        krealloc_aligned(
+            ptr::null_mut(),
+            layout,
             bindings::GFP_KERNEL | bindings::__GFP_ZERO,
-        ) as *mut u8
+        )
     }
 }
diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs
index a89843c..172f563 100644
--- a/rust/kernel/sync/arc.rs
+++ b/rust/kernel/sync/arc.rs
@@ -243,8 +243,7 @@
         let inner = NonNull::new(ptr as *mut ArcInner<T>).unwrap();
 
         // SAFETY: The safety requirements of `from_foreign` ensure that the object remains alive
-        // for the lifetime of the returned value. Additionally, the safety requirements of
-        // `ForeignOwnable::borrow_mut` ensure that no new mutable references are created.
+        // for the lifetime of the returned value.
         unsafe { ArcBorrow::new(inner) }
     }
 
diff --git a/rust/kernel/types.rs b/rust/kernel/types.rs
index 1e5380b..d479f8d 100644
--- a/rust/kernel/types.rs
+++ b/rust/kernel/types.rs
@@ -35,34 +35,16 @@
     ///
     /// `ptr` must have been returned by a previous call to [`ForeignOwnable::into_foreign`] for
     /// which a previous matching [`ForeignOwnable::from_foreign`] hasn't been called yet.
-    /// Additionally, all instances (if any) of values returned by [`ForeignOwnable::borrow_mut`]
-    /// for this object must have been dropped.
     unsafe fn borrow<'a>(ptr: *const core::ffi::c_void) -> Self::Borrowed<'a>;
 
-    /// Mutably borrows a foreign-owned object.
-    ///
-    /// # Safety
-    ///
-    /// `ptr` must have been returned by a previous call to [`ForeignOwnable::into_foreign`] for
-    /// which a previous matching [`ForeignOwnable::from_foreign`] hasn't been called yet.
-    /// Additionally, all instances (if any) of values returned by [`ForeignOwnable::borrow`] and
-    /// [`ForeignOwnable::borrow_mut`] for this object must have been dropped.
-    unsafe fn borrow_mut(ptr: *const core::ffi::c_void) -> ScopeGuard<Self, fn(Self)> {
-        // SAFETY: The safety requirements ensure that `ptr` came from a previous call to
-        // `into_foreign`.
-        ScopeGuard::new_with_data(unsafe { Self::from_foreign(ptr) }, |d| {
-            d.into_foreign();
-        })
-    }
-
     /// Converts a foreign-owned object back to a Rust-owned one.
     ///
     /// # Safety
     ///
     /// `ptr` must have been returned by a previous call to [`ForeignOwnable::into_foreign`] for
     /// which a previous matching [`ForeignOwnable::from_foreign`] hasn't been called yet.
-    /// Additionally, all instances (if any) of values returned by [`ForeignOwnable::borrow`] and
-    /// [`ForeignOwnable::borrow_mut`] for this object must have been dropped.
+    /// Additionally, all instances (if any) of values returned by [`ForeignOwnable::borrow`] for
+    /// this object must have been dropped.
     unsafe fn from_foreign(ptr: *const core::ffi::c_void) -> Self;
 }