Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 1da7ba1..fb6c651 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -117,7 +117,7 @@
struct descriptor_resource {
struct client_resource resource;
struct fw_descriptor descriptor;
- u32 data[0];
+ u32 data[];
};
struct iso_resource {
@@ -1081,8 +1081,6 @@
return -EINVAL;
p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);
- if (!access_ok(p, a->size))
- return -EFAULT;
end = (void __user *)p + a->size;
count = 0;
@@ -1120,7 +1118,7 @@
&p->header[transmit_header_bytes / 4];
if (next > end)
return -EINVAL;
- if (__copy_from_user
+ if (copy_from_user
(u.packet.header, p->header, transmit_header_bytes))
return -EFAULT;
if (u.packet.skip && ctx->type == FW_ISO_CONTEXT_TRANSMIT &&
@@ -1646,14 +1644,6 @@
return dispatch_ioctl(file->private_data, cmd, (void __user *)arg);
}
-#ifdef CONFIG_COMPAT
-static long fw_device_op_compat_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- return dispatch_ioctl(file->private_data, cmd, compat_ptr(arg));
-}
-#endif
-
static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
{
struct client *client = file->private_data;
@@ -1694,7 +1684,8 @@
if (ret < 0)
goto fail;
- ret = fw_iso_buffer_map_vma(&client->buffer, vma);
+ ret = vm_map_pages_zero(vma, client->buffer.pages,
+ client->buffer.page_count);
if (ret < 0)
goto fail;
@@ -1795,7 +1786,5 @@
.mmap = fw_device_op_mmap,
.release = fw_device_op_release,
.poll = fw_device_op_poll,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = fw_device_op_compat_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
};
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index b785e93..80db43a 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -957,7 +957,7 @@
device->bc_implemented = BC_IMPLEMENTED;
break;
}
- /* else, fall through - to case address error */
+ fallthrough; /* to case address error */
case RCODE_ADDRESS_ERROR:
device->bc_implemented = BC_UNIMPLEMENTED;
}
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index df8a56a..af70e74 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -91,13 +91,6 @@
}
EXPORT_SYMBOL(fw_iso_buffer_init);
-int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer,
- struct vm_area_struct *vma)
-{
- return vm_map_pages_zero(vma, buffer->pages,
- buffer->page_count);
-}
-
void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
struct fw_card *card)
{
@@ -284,7 +277,7 @@
if ((data[0] & bit) == (data[1] & bit))
continue;
- /* fall through - It's a 1394-1995 IRM, retry. */
+ fallthrough; /* It's a 1394-1995 IRM, retry */
default:
if (retry) {
retry--;
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 94a13fc..ec68ed2 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -54,7 +54,7 @@
switch (port_type) {
case SELFID_PORT_CHILD:
(*child_port_count)++;
- /* fall through */
+ fallthrough;
case SELFID_PORT_PARENT:
case SELFID_PORT_NCONN:
(*total_port_count)++;
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 404a035..ac487c9 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -620,7 +620,7 @@
u32 request_header[4];
int ack;
u32 length;
- u32 data[0];
+ u32 data[];
};
static void free_response_callback(struct fw_packet *packet,
@@ -1097,14 +1097,14 @@
rcode = RCODE_ADDRESS_ERROR;
break;
}
- /* else fall through */
+ fallthrough;
case CSR_NODE_IDS:
/*
* per IEEE 1394-2008 8.3.22.3, not IEEE 1394.1-2004 3.2.8
* and 9.6, but interoperable with IEEE 1394.1-2004 bridges
*/
- /* fall through */
+ fallthrough;
case CSR_STATE_CLEAR:
case CSR_STATE_SET:
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index 0f0bed3..71d5f16 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -158,8 +158,6 @@
int fw_iso_buffer_alloc(struct fw_iso_buffer *buffer, int page_count);
int fw_iso_buffer_map_dma(struct fw_iso_buffer *buffer, struct fw_card *card,
enum dma_data_direction direction);
-int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer,
- struct vm_area_struct *vma);
/* -topology */
@@ -193,7 +191,7 @@
/* Upper layer specific data. */
void *data;
- struct fw_node *ports[0];
+ struct fw_node *ports[];
};
static inline struct fw_node *fw_node_get(struct fw_node *node)
diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c
index 9ee747a..88ed971 100644
--- a/drivers/firewire/nosy.c
+++ b/drivers/firewire/nosy.c
@@ -52,7 +52,7 @@
struct packet {
unsigned int length;
- char data[0];
+ char data[];
};
struct packet_buffer {
@@ -556,7 +556,7 @@
INIT_LIST_HEAD(&lynx->client_list);
kref_init(&lynx->kref);
- lynx->registers = ioremap_nocache(pci_resource_start(dev, 0),
+ lynx->registers = ioremap(pci_resource_start(dev, 0),
PCILYNX_MAX_REGISTER);
if (lynx->registers == NULL) {
dev_err(&dev->dev, "Failed to map registers\n");
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 522f3ad..9811c40 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -111,7 +111,7 @@
dma_addr_t buffer_bus;
size_t buffer_size;
size_t used;
- struct descriptor buffer[0];
+ struct descriptor buffer[];
};
struct context {
@@ -674,17 +674,16 @@
static void ar_context_release(struct ar_context *ctx)
{
+ struct device *dev = ctx->ohci->card.device;
unsigned int i;
vunmap(ctx->buffer);
- for (i = 0; i < AR_BUFFERS; i++)
- if (ctx->pages[i]) {
- dma_unmap_page(ctx->ohci->card.device,
- ar_buffer_bus(ctx, i),
- PAGE_SIZE, DMA_FROM_DEVICE);
- __free_page(ctx->pages[i]);
- }
+ for (i = 0; i < AR_BUFFERS; i++) {
+ if (ctx->pages[i])
+ dma_free_pages(dev, PAGE_SIZE, ctx->pages[i],
+ ar_buffer_bus(ctx, i), DMA_FROM_DEVICE);
+ }
}
static void ar_context_abort(struct ar_context *ctx, const char *error_msg)
@@ -970,6 +969,7 @@
static int ar_context_init(struct ar_context *ctx, struct fw_ohci *ohci,
unsigned int descriptors_offset, u32 regs)
{
+ struct device *dev = ohci->card.device;
unsigned int i;
dma_addr_t dma_addr;
struct page *pages[AR_BUFFERS + AR_WRAPAROUND_PAGES];
@@ -980,17 +980,13 @@
tasklet_init(&ctx->tasklet, ar_context_tasklet, (unsigned long)ctx);
for (i = 0; i < AR_BUFFERS; i++) {
- ctx->pages[i] = alloc_page(GFP_KERNEL | GFP_DMA32);
+ ctx->pages[i] = dma_alloc_pages(dev, PAGE_SIZE, &dma_addr,
+ DMA_FROM_DEVICE, GFP_KERNEL);
if (!ctx->pages[i])
goto out_of_memory;
- dma_addr = dma_map_page(ohci->card.device, ctx->pages[i],
- 0, PAGE_SIZE, DMA_FROM_DEVICE);
- if (dma_mapping_error(ohci->card.device, dma_addr)) {
- __free_page(ctx->pages[i]);
- ctx->pages[i] = NULL;
- goto out_of_memory;
- }
set_page_private(ctx->pages[i], dma_addr);
+ dma_sync_single_for_device(dev, dma_addr, PAGE_SIZE,
+ DMA_FROM_DEVICE);
}
for (i = 0; i < AR_BUFFERS; i++)
@@ -1099,7 +1095,7 @@
static int context_add_buffer(struct context *ctx)
{
struct descriptor_buffer *desc;
- dma_addr_t uninitialized_var(bus_addr);
+ dma_addr_t bus_addr;
int offset;
/*
@@ -1289,7 +1285,7 @@
struct fw_packet *packet)
{
struct fw_ohci *ohci = ctx->ohci;
- dma_addr_t d_bus, uninitialized_var(payload_bus);
+ dma_addr_t d_bus, payload_bus;
struct driver_data *driver_data;
struct descriptor *d, *last;
__le32 *header;
@@ -1495,7 +1491,7 @@
packet->ack = RCODE_GENERATION;
break;
}
- /* fall through */
+ fallthrough;
default:
packet->ack = RCODE_SEND_ERROR;
@@ -1752,7 +1748,7 @@
if (unlikely(!ohci->bus_time_running)) {
reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_cycle64Seconds);
- ohci->bus_time = (lower_32_bits(get_seconds()) & ~0x7f) |
+ ohci->bus_time = (lower_32_bits(ktime_get_seconds()) & ~0x7f) |
(cycle_time_seconds & 0x40);
ohci->bus_time_running = true;
}
@@ -2445,7 +2441,7 @@
{
struct fw_ohci *ohci;
__be32 *next_config_rom;
- dma_addr_t uninitialized_var(next_config_rom_bus);
+ dma_addr_t next_config_rom_bus;
ohci = fw_ohci(card);
@@ -2933,10 +2929,10 @@
int type, int channel, size_t header_size)
{
struct fw_ohci *ohci = fw_ohci(card);
- struct iso_context *uninitialized_var(ctx);
- descriptor_callback_t uninitialized_var(callback);
- u64 *uninitialized_var(channels);
- u32 *uninitialized_var(mask), uninitialized_var(regs);
+ struct iso_context *ctx;
+ descriptor_callback_t callback;
+ u64 *channels;
+ u32 *mask, regs;
int index, ret = -EBUSY;
spin_lock_irq(&ohci->lock);
@@ -3054,7 +3050,7 @@
case FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL:
control |= IR_CONTEXT_BUFFER_FILL|IR_CONTEXT_MULTI_CHANNEL_MODE;
- /* fall through */
+ fallthrough;
case FW_ISO_CONTEXT_RECEIVE:
index = ctx - ohci->ir_context_list;
match = (tags << 28) | (sync << 8) | ctx->base.channel;