4 files changed, 27 insertions, 7 deletions
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index d68d05d5d383..514f9f287a78 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -90,6 +90,9 @@ parisc_agp_tlbflush(struct agp_memory *mem)
 {
 	struct _parisc_agp_info *info = &parisc_agp_info;
 
+	/* force fdc ops to be visible to IOMMU */
+	asm_io_sync();
+
 	writeq(info->gart_base | ilog2(info->gart_size), info->ioc_regs+IOC_PCOM);
 	readq(info->ioc_regs+IOC_PCOM);	/* flush */
 }
@@ -158,6 +161,7 @@ parisc_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
 			info->gatt[j] =
 				parisc_agp_mask_memory(agp_bridge,
 					paddr, type);
+			asm_io_fdc(&info->gatt[j]);
 		}
 	}
 
@@ -191,7 +195,16 @@ static unsigned long
 parisc_agp_mask_memory(struct agp_bridge_data *bridge, dma_addr_t addr,
 		       int type)
 {
-	return SBA_PDIR_VALID_BIT | addr;
+	unsigned ci;			/* coherent index */
+	dma_addr_t pa;
+
+	pa = addr & IOVP_MASK;
+	asm("lci 0(%1), %0" : "=r" (ci) : "r" (phys_to_virt(pa)));
+
+	pa |= (ci >> PAGE_SHIFT) & 0xff;/* move CI (8 bits) into lowest byte */
+	pa |= SBA_PDIR_VALID_BIT;	/* set "valid" bit */
+
+	return cpu_to_le64(pa);
 }
 
 static void
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 253f2ddb8913..3cb37760dfec 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1546,7 +1546,7 @@ const struct file_operations random_fops = {
 	.compat_ioctl = compat_ptr_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
-	.splice_read = generic_file_splice_read,
+	.splice_read = copy_splice_read,
 	.splice_write = iter_file_splice_write,
 };
 
@@ -1557,7 +1557,7 @@ const struct file_operations urandom_fops = {
 	.compat_ioctl = compat_ptr_ioctl,
 	.fasync = random_fasync,
 	.llseek = noop_llseek,
-	.splice_read = generic_file_splice_read,
+	.splice_read = copy_splice_read,
 	.splice_write = iter_file_splice_write,
 };
 
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 709b4e13bd6e..7db3593941ea 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -138,6 +138,13 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"),
 		},
 	},
+	{
+		.callback = tpm_tis_disable_irq,
+		.ident = "UPX-TGL",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
+		},
+	},
 	{}
 };
 
diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h
index e978f457fd4d..610bfadb6acf 100644
--- a/drivers/char/tpm/tpm_tis_core.h
+++ b/drivers/char/tpm/tpm_tis_core.h
@@ -84,10 +84,10 @@ enum tis_defaults {
 #define ILB_REMAP_SIZE			0x100
 
 enum tpm_tis_flags {
-	TPM_TIS_ITPM_WORKAROUND		= BIT(0),
-	TPM_TIS_INVALID_STATUS		= BIT(1),
-	TPM_TIS_DEFAULT_CANCELLATION	= BIT(2),
-	TPM_TIS_IRQ_TESTED		= BIT(3),
+	TPM_TIS_ITPM_WORKAROUND		= 0,
+	TPM_TIS_INVALID_STATUS		= 1,
+	TPM_TIS_DEFAULT_CANCELLATION	= 2,
+	TPM_TIS_IRQ_TESTED		= 3,
 };
 
 struct tpm_tis_data {