diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/agp/parisc-agp.c | 15 | ||||
-rw-r--r-- | drivers/char/random.c | 4 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_tis.c | 7 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_tis_core.h | 8 |
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 { |