This is the 5.4.36 stable release

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Merge 5.4.36 into android-5.4-stable

Changes in 5.4.36
	ext4: fix extent_status fragmentation for plain files
	f2fs: fix to avoid memory leakage in f2fs_listxattr
	net, ip_tunnel: fix interface lookup with no key
	arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419
	arm64: Fake the IminLine size on systems affected by Neoverse-N1 #1542419
	arm64: compat: Workaround Neoverse-N1 #1542419 for compat user-space
	arm64: Silence clang warning on mismatched value/register sizes
	tools/testing/nvdimm: Fix compilation failure without CONFIG_DEV_DAX_PMEM_COMPAT
	watchdog: reset last_hw_keepalive time at start
	scsi: lpfc: Fix kasan slab-out-of-bounds error in lpfc_unreg_login
	scsi: lpfc: Fix crash after handling a pci error
	scsi: lpfc: Fix crash in target side cable pulls hitting WAIT_FOR_UNREG
	scsi: libfc: If PRLI rejected, move rport to PLOGI state
	ceph: return ceph_mdsc_do_request() errors from __get_parent()
	ceph: don't skip updating wanted caps when cap is stale
	pwm: rcar: Fix late Runtime PM enablement
	nvme-tcp: fix possible crash in write_zeroes processing
	scsi: iscsi: Report unbind session event when the target has been removed
	tools/test/nvdimm: Fix out of tree build
	ASoC: Intel: atom: Take the drv->lock mutex before calling sst_send_slot_map()
	nvme: fix deadlock caused by ANA update wrong locking
	drm/amd/display: Update stream adjust in dc_stream_adjust_vmin_vmax
	dma-direct: fix data truncation in dma_direct_get_required_mask()
	kernel/gcov/fs.c: gcov_seq_next() should increase position index
	selftests: kmod: fix handling test numbers above 9
	ipc/util.c: sysvipc_find_ipc() should increase position index
	kconfig: qconf: Fix a few alignment issues
	lib/raid6/test: fix build on distros whose /bin/sh is not bash
	s390/cio: generate delayed uevent for vfio-ccw subchannels
	s390/cio: avoid duplicated 'ADD' uevents
	loop: Better discard support for block devices
	Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled"
	powerpc/pseries: Fix MCE handling on pseries
	nvme: fix compat address handling in several ioctls
	pwm: renesas-tpu: Fix late Runtime PM enablement
	pwm: bcm2835: Dynamically allocate base
	perf/core: Disable page faults when getting phys address
	drm/amd/display: Calculate scaling ratios on every medium/full update
	ASoC: Intel: bytcr_rt5640: Add quirk for MPMAN MPWIN895CL tablet
	ALSA: usb-audio: Add Pioneer DJ DJM-250MK2 quirk
	xhci: Ensure link state is U3 after setting USB_SS_PORT_LS_U3
	xhci: Wait until link state trainsits to U0 after setting USB_SS_PORT_LS_U0
	xhci: Finetune host initiated USB3 rootport link suspend and resume
	drm/amd/display: Not doing optimize bandwidth if flip pending.
	PCI/PM: Add pcie_wait_for_link_delay()
	libbpf: Fix readelf output parsing on powerpc with recent binutils
	PCI: pciehp: Prevent deadlock on disconnect
	ASoC: SOF: trace: fix unconditional free in trace release
	tracing/selftests: Turn off timeout setting
	virtio-blk: improve virtqueue error to BLK_STS
	scsi: smartpqi: fix controller lockup observed during force reboot
	scsi: smartpqi: fix call trace in device discovery
	scsi: smartpqi: fix problem with unique ID for physical device
	PCI/ASPM: Allow re-enabling Clock PM
	PCI/PM: Add missing link delays required by the PCIe spec
	cxgb4: fix adapter crash due to wrong MC size
	cxgb4: fix large delays in PTP synchronization
	ipv4: Update fib_select_default to handle nexthop objects
	ipv6: fix restrict IPV6_ADDRFORM operation
	macsec: avoid to set wrong mtu
	macvlan: fix null dereference in macvlan_device_event()
	mlxsw: Fix some IS_ERR() vs NULL bugs
	net: bcmgenet: correct per TX/RX ring statistics
	net/mlx4_en: avoid indirect call in TX completion
	net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
	net: openvswitch: ovs_ct_exit to be done under ovs_lock
	net: stmmac: dwmac-meson8b: Add missing boundary to RGMII TX clock array
	net/x25: Fix x25_neigh refcnt leak when receiving frame
	sched: etf: do not assume all sockets are full blown
	selftests: Fix suppress test in fib_tests.sh
	tcp: cache line align MAX_TCP_HEADER
	team: fix hang in team_mode_get()
	vrf: Fix IPv6 with qdisc and xfrm
	net: dsa: b53: Lookup VID in ARL searches when VLAN is enabled
	net: dsa: b53: Fix valid setting for MDB entries
	net: dsa: b53: Fix ARL register definitions
	net: dsa: b53: Rework ARL bin logic
	net: dsa: b53: b53_arl_rw_op() needs to select IVL or SVL
	vxlan: use the correct nlattr array in NL_SET_ERR_MSG_ATTR
	geneve: use the correct nlattr array in NL_SET_ERR_MSG_ATTR
	xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
	vrf: Check skb for XFRM_TRANSFORMED flag
	KEYS: Avoid false positive ENOMEM error on key read
	ALSA: hda: Remove ASUS ROG Zenith from the blacklist
	ALSA: usb-audio: Add static mapping table for ALC1220-VB-based mobos
	ALSA: usb-audio: Add connector notifier delegation
	iio: core: remove extra semi-colon from devm_iio_device_register() macro
	iio: st_sensors: rely on odr mask to know if odr can be set
	iio: adc: stm32-adc: fix sleep in atomic context
	iio: adc: ti-ads8344: properly byte swap value
	iio: xilinx-xadc: Fix ADC-B powerdown
	iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
	iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
	iio: xilinx-xadc: Make sure not exceed maximum samplerate
	USB: sisusbvga: Change port variable from signed to unsigned
	USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE
	USB: early: Handle AMD's spec-compliant identifiers, too
	USB: core: Fix free-while-in-use bug in the USB S-Glibrary
	USB: hub: Fix handling of connect changes during sleep
	USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
	tty: serial: owl: add "much needed" clk_prepare_enable()
	vmalloc: fix remap_vmalloc_range() bounds checks
	staging: gasket: Fix incongruency in handling of sysfs entries creation
	coredump: fix null pointer dereference on coredump
	mm/hugetlb: fix a addressing exception caused by huge_pte_offset
	mm/ksm: fix NULL pointer dereference when KSM zero page is enabled
	tools/vm: fix cross-compile build
	ALSA: usx2y: Fix potential NULL dereference
	ALSA: hda/realtek - Fix unexpected init_amp override
	ALSA: hda/realtek - Add new codec supported for ALC245
	ALSA: hda/hdmi: Add module option to disable audio component binding
	ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
	ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
	tpm/tpm_tis: Free IRQ if probing fails
	tpm: fix wrong return value in tpm_pcr_extend
	tpm: ibmvtpm: retry on H_CLOSED in tpm_ibmvtpm_send()
	KVM: s390: Return last valid slot if approx index is out-of-bounds
	KVM: Check validity of resolved slot when searching memslots
	KVM: VMX: Enable machine check support for 32bit targets
	tty: hvc: fix buffer overflow during hvc_alloc().
	tty: rocket, avoid OOB access
	usb-storage: Add unusual_devs entry for JMicron JMS566
	signal: Avoid corrupting si_pid and si_uid in do_notify_parent
	audit: check the length of userspace generated audit records
	ASoC: dapm: fixup dapm kcontrol widget
	mac80211: populate debugfs only after cfg80211 init
	SUNRPC: Fix backchannel RPC soft lockups
	iwlwifi: pcie: actually release queue memory in TVQM
	iwlwifi: mvm: beacon statistics shouldn't go backwards
	iwlwifi: mvm: limit maximum queue appropriately
	iwlwifi: mvm: Do not declare support for ACK Enabled Aggregation
	iwlwifi: mvm: fix inactive TID removal return value usage
	cifs: fix uninitialised lease_key in open_shroot()
	ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
	powerpc/setup_64: Set cache-line-size based on cache-block-size
	staging: comedi: dt2815: fix writing hi byte of analog output
	staging: comedi: Fix comedi_device refcnt leak in comedi_open
	vt: don't hardcode the mem allocation upper bound
	vt: don't use kmalloc() for the unicode screen buffer
	staging: vt6656: Don't set RCR_MULTICAST or RCR_BROADCAST by default.
	staging: vt6656: Fix calling conditions of vnt_set_bss_mode
	staging: vt6656: Fix drivers TBTT timing counter.
	staging: vt6656: Fix pairwise key entry save.
	staging: vt6656: Power save stop wake_up_count wrap around.
	cdc-acm: close race betrween suspend() and acm_softint
	cdc-acm: introduce a cool down
	UAS: no use logging any details in case of ENODEV
	UAS: fix deadlock in error handling and PM flushing work
	fpga: dfl: pci: fix return value of cci_pci_sriov_configure
	usb: dwc3: gadget: Fix request completion check
	usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset()
	usb: typec: tcpm: Ignore CC and vbus changes in PORT_RESET change
	usb: typec: altmode: Fix typec_altmode_get_partner sometimes returning an invalid pointer
	xhci: Fix handling halted endpoint even if endpoint ring appears empty
	xhci: prevent bus suspend if a roothub port detected a over-current condition
	xhci: Don't clear hub TT buffer on ep0 protocol stall
	serial: sh-sci: Make sure status register SCxSR is read in correct sequence
	Revert "serial: uartps: Fix uartps_major handling"
	Revert "serial: uartps: Use the same dynamic major number for all ports"
	Revert "serial: uartps: Fix error path when alloc failed"
	Revert "serial: uartps: Do not allow use aliases >= MAX_UART_INSTANCES"
	Revert "serial: uartps: Change uart ID port allocation"
	Revert "serial: uartps: Move Port ID to device data structure"
	Revert "serial: uartps: Register own uart console and driver structures"
	powerpc/kuap: PPC_KUAP_DEBUG should depend on PPC_KUAP
	powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32
	compat: ARM64: always include asm-generic/compat.h
	s390/mm: fix page table upgrade vs 2ndary address mode accesses
	Linux 5.4.36

Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: Idd8d97e7f00eb7389e184fc4186c4c0dd14f1704
This commit is contained in:
Greg Kroah-Hartman 2020-04-29 17:24:24 +02:00
commit c736c6b27a
183 changed files with 1939 additions and 841 deletions

View file

@ -302,10 +302,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
vtermnos[index] = vtermno;
cons_ops[index] = ops;
/* reserve all indices up to and including this index */
if (last_hvc < index)
last_hvc = index;
/* check if we need to re-register the kernel console */
hvc_check_console(index);
@ -960,13 +956,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
cons_ops[i] == hp->ops)
break;
/* no matching slot, just use a counter */
if (i >= MAX_NR_HVC_CONSOLES)
i = ++last_hvc;
if (i >= MAX_NR_HVC_CONSOLES) {
/* find 'empty' slot for console */
for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) {
}
/* no matching slot, just use a counter */
if (i == MAX_NR_HVC_CONSOLES)
i = ++last_hvc + MAX_NR_HVC_CONSOLES;
}
hp->index = i;
cons_ops[i] = ops;
vtermnos[i] = vtermno;
if (i < MAX_NR_HVC_CONSOLES) {
cons_ops[i] = ops;
vtermnos[i] = vtermno;
}
list_add_tail(&(hp->next), &hvc_structs);
mutex_unlock(&hvc_structs_mutex);

View file

@ -632,18 +632,21 @@ init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
tty_port_init(&info->port);
info->port.ops = &rocket_port_ops;
info->flags &= ~ROCKET_MODE_MASK;
switch (pc104[board][line]) {
case 422:
info->flags |= ROCKET_MODE_RS422;
break;
case 485:
info->flags |= ROCKET_MODE_RS485;
break;
case 232:
default:
if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1))
switch (pc104[board][line]) {
case 422:
info->flags |= ROCKET_MODE_RS422;
break;
case 485:
info->flags |= ROCKET_MODE_RS485;
break;
case 232:
default:
info->flags |= ROCKET_MODE_RS232;
break;
}
else
info->flags |= ROCKET_MODE_RS232;
break;
}
info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {

View file

@ -680,6 +680,12 @@ static int owl_uart_probe(struct platform_device *pdev)
return PTR_ERR(owl_port->clk);
}
ret = clk_prepare_enable(owl_port->clk);
if (ret) {
dev_err(&pdev->dev, "could not enable clk\n");
return ret;
}
owl_port->port.dev = &pdev->dev;
owl_port->port.line = pdev->id;
owl_port->port.type = PORT_OWL;
@ -712,6 +718,7 @@ static int owl_uart_remove(struct platform_device *pdev)
uart_remove_one_port(&owl_uart_driver, &owl_port->port);
owl_uart_ports[pdev->id] = NULL;
clk_disable_unprepare(owl_port->clk);
return 0;
}

View file

@ -873,9 +873,16 @@ static void sci_receive_chars(struct uart_port *port)
tty_insert_flip_char(tport, c, TTY_NORMAL);
} else {
for (i = 0; i < count; i++) {
char c = serial_port_in(port, SCxRDR);
char c;
status = serial_port_in(port, SCxSR);
if (port->type == PORT_SCIF ||
port->type == PORT_HSCIF) {
status = serial_port_in(port, SCxSR);
c = serial_port_in(port, SCxRDR);
} else {
c = serial_port_in(port, SCxRDR);
status = serial_port_in(port, SCxSR);
}
if (uart_handle_sysrq_char(port, c)) {
count--; i--;
continue;

View file

@ -30,13 +30,15 @@
#define CDNS_UART_TTY_NAME "ttyPS"
#define CDNS_UART_NAME "xuartps"
#define CDNS_UART_MAJOR 0 /* use dynamic node allocation */
#define CDNS_UART_MINOR 0 /* works best with devtmpfs */
#define CDNS_UART_NR_PORTS 16
#define CDNS_UART_FIFO_SIZE 64 /* FIFO size */
#define CDNS_UART_REGISTER_SPACE 0x1000
#define TX_TIMEOUT 500000
/* Rx Trigger level */
static int rx_trigger_level = 56;
static int uartps_major;
module_param(rx_trigger_level, uint, 0444);
MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes");
@ -182,7 +184,6 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
* @pclk: APB clock
* @cdns_uart_driver: Pointer to UART driver
* @baud: Current baud rate
* @id: Port ID
* @clk_rate_change_nb: Notifier block for clock changes
* @quirks: Flags for RXBS support.
*/
@ -192,7 +193,6 @@ struct cdns_uart {
struct clk *pclk;
struct uart_driver *cdns_uart_driver;
unsigned int baud;
int id;
struct notifier_block clk_rate_change_nb;
u32 quirks;
bool cts_override;
@ -1119,6 +1119,8 @@ static const struct uart_ops cdns_uart_ops = {
#endif
};
static struct uart_driver cdns_uart_uart_driver;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/**
* cdns_uart_console_putchar - write the character to the FIFO buffer
@ -1258,6 +1260,16 @@ static int cdns_uart_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
static struct console cdns_uart_console = {
.name = CDNS_UART_TTY_NAME,
.write = cdns_uart_console_write,
.device = uart_console_device,
.setup = cdns_uart_console_setup,
.flags = CON_PRINTBUFFER,
.index = -1, /* Specified on the cmdline (e.g. console=ttyPS ) */
.data = &cdns_uart_uart_driver,
};
#endif /* CONFIG_SERIAL_XILINX_PS_UART_CONSOLE */
#ifdef CONFIG_PM_SLEEP
@ -1389,89 +1401,8 @@ static const struct of_device_id cdns_uart_of_match[] = {
};
MODULE_DEVICE_TABLE(of, cdns_uart_of_match);
/*
* Maximum number of instances without alias IDs but if there is alias
* which target "< MAX_UART_INSTANCES" range this ID can't be used.
*/
#define MAX_UART_INSTANCES 32
/* Stores static aliases list */
static DECLARE_BITMAP(alias_bitmap, MAX_UART_INSTANCES);
static int alias_bitmap_initialized;
/* Stores actual bitmap of allocated IDs with alias IDs together */
static DECLARE_BITMAP(bitmap, MAX_UART_INSTANCES);
/* Protect bitmap operations to have unique IDs */
static DEFINE_MUTEX(bitmap_lock);
static int cdns_get_id(struct platform_device *pdev)
{
int id, ret;
mutex_lock(&bitmap_lock);
/* Alias list is stable that's why get alias bitmap only once */
if (!alias_bitmap_initialized) {
ret = of_alias_get_alias_list(cdns_uart_of_match, "serial",
alias_bitmap, MAX_UART_INSTANCES);
if (ret && ret != -EOVERFLOW) {
mutex_unlock(&bitmap_lock);
return ret;
}
alias_bitmap_initialized++;
}
/* Make sure that alias ID is not taken by instance without alias */
bitmap_or(bitmap, bitmap, alias_bitmap, MAX_UART_INSTANCES);
dev_dbg(&pdev->dev, "Alias bitmap: %*pb\n",
MAX_UART_INSTANCES, bitmap);
/* Look for a serialN alias */
id = of_alias_get_id(pdev->dev.of_node, "serial");
if (id < 0) {
dev_warn(&pdev->dev,
"No serial alias passed. Using the first free id\n");
/*
* Start with id 0 and check if there is no serial0 alias
* which points to device which is compatible with this driver.
* If alias exists then try next free position.
*/
id = 0;
for (;;) {
dev_info(&pdev->dev, "Checking id %d\n", id);
id = find_next_zero_bit(bitmap, MAX_UART_INSTANCES, id);
/* No free empty instance */
if (id == MAX_UART_INSTANCES) {
dev_err(&pdev->dev, "No free ID\n");
mutex_unlock(&bitmap_lock);
return -EINVAL;
}
dev_dbg(&pdev->dev, "The empty id is %d\n", id);
/* Check if ID is empty */
if (!test_and_set_bit(id, bitmap)) {
/* Break the loop if bit is taken */
dev_dbg(&pdev->dev,
"Selected ID %d allocation passed\n",
id);
break;
}
dev_dbg(&pdev->dev,
"Selected ID %d allocation failed\n", id);
/* if taking bit fails then try next one */
id++;
}
}
mutex_unlock(&bitmap_lock);
return id;
}
/* Temporary variable for storing number of instances */
static int instances;
/**
* cdns_uart_probe - Platform driver probe
@ -1481,16 +1412,11 @@ static int cdns_get_id(struct platform_device *pdev)
*/
static int cdns_uart_probe(struct platform_device *pdev)
{
int rc, irq;
int rc, id, irq;
struct uart_port *port;
struct resource *res;
struct cdns_uart *cdns_uart_data;
const struct of_device_id *match;
struct uart_driver *cdns_uart_uart_driver;
char *driver_name;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
struct console *cdns_uart_console;
#endif
cdns_uart_data = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_data),
GFP_KERNEL);
@ -1500,64 +1426,35 @@ static int cdns_uart_probe(struct platform_device *pdev)
if (!port)
return -ENOMEM;
cdns_uart_uart_driver = devm_kzalloc(&pdev->dev,
sizeof(*cdns_uart_uart_driver),
GFP_KERNEL);
if (!cdns_uart_uart_driver)
return -ENOMEM;
/* Look for a serialN alias */
id = of_alias_get_id(pdev->dev.of_node, "serial");
if (id < 0)
id = 0;
cdns_uart_data->id = cdns_get_id(pdev);
if (cdns_uart_data->id < 0)
return cdns_uart_data->id;
/* There is a need to use unique driver name */
driver_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%d",
CDNS_UART_NAME, cdns_uart_data->id);
if (!driver_name) {
rc = -ENOMEM;
goto err_out_id;
if (id >= CDNS_UART_NR_PORTS) {
dev_err(&pdev->dev, "Cannot get uart_port structure\n");
return -ENODEV;
}
cdns_uart_uart_driver->owner = THIS_MODULE;
cdns_uart_uart_driver->driver_name = driver_name;
cdns_uart_uart_driver->dev_name = CDNS_UART_TTY_NAME;
cdns_uart_uart_driver->major = uartps_major;
cdns_uart_uart_driver->minor = cdns_uart_data->id;
cdns_uart_uart_driver->nr = 1;
if (!cdns_uart_uart_driver.state) {
cdns_uart_uart_driver.owner = THIS_MODULE;
cdns_uart_uart_driver.driver_name = CDNS_UART_NAME;
cdns_uart_uart_driver.dev_name = CDNS_UART_TTY_NAME;
cdns_uart_uart_driver.major = CDNS_UART_MAJOR;
cdns_uart_uart_driver.minor = CDNS_UART_MINOR;
cdns_uart_uart_driver.nr = CDNS_UART_NR_PORTS;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
cdns_uart_console = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_console),
GFP_KERNEL);
if (!cdns_uart_console) {
rc = -ENOMEM;
goto err_out_id;
}
strncpy(cdns_uart_console->name, CDNS_UART_TTY_NAME,
sizeof(cdns_uart_console->name));
cdns_uart_console->index = cdns_uart_data->id;
cdns_uart_console->write = cdns_uart_console_write;
cdns_uart_console->device = uart_console_device;
cdns_uart_console->setup = cdns_uart_console_setup;
cdns_uart_console->flags = CON_PRINTBUFFER;
cdns_uart_console->data = cdns_uart_uart_driver;
cdns_uart_uart_driver->cons = cdns_uart_console;
cdns_uart_uart_driver.cons = &cdns_uart_console;
#endif
rc = uart_register_driver(cdns_uart_uart_driver);
if (rc < 0) {
dev_err(&pdev->dev, "Failed to register driver\n");
goto err_out_id;
rc = uart_register_driver(&cdns_uart_uart_driver);
if (rc < 0) {
dev_err(&pdev->dev, "Failed to register driver\n");
return rc;
}
}
cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
/*
* Setting up proper name_base needs to be done after uart
* registration because tty_driver structure is not filled.
* name_base is 0 by default.
*/
cdns_uart_uart_driver->tty_driver->name_base = cdns_uart_data->id;
cdns_uart_data->cdns_uart_driver = &cdns_uart_uart_driver;
match = of_match_node(cdns_uart_of_match, pdev->dev.of_node);
if (match && match->data) {
@ -1634,6 +1531,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
port->flags = UPF_BOOT_AUTOCONF;
port->ops = &cdns_uart_ops;
port->fifosize = CDNS_UART_FIFO_SIZE;
port->line = id;
/*
* Register the port.
@ -1665,7 +1563,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
console_port = port;
#endif
rc = uart_add_one_port(cdns_uart_uart_driver, port);
rc = uart_add_one_port(&cdns_uart_uart_driver, port);
if (rc) {
dev_err(&pdev->dev,
"uart_add_one_port() failed; err=%i\n", rc);
@ -1675,13 +1573,15 @@ static int cdns_uart_probe(struct platform_device *pdev)
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/* This is not port which is used for console that's why clean it up */
if (console_port == port &&
!(cdns_uart_uart_driver->cons->flags & CON_ENABLED))
!(cdns_uart_uart_driver.cons->flags & CON_ENABLED))
console_port = NULL;
#endif
uartps_major = cdns_uart_uart_driver->tty_driver->major;
cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node,
"cts-override");
instances++;
return 0;
err_out_pm_disable:
@ -1697,12 +1597,8 @@ err_out_clk_disable:
err_out_clk_dis_pclk:
clk_disable_unprepare(cdns_uart_data->pclk);
err_out_unregister_driver:
uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
err_out_id:
mutex_lock(&bitmap_lock);
if (cdns_uart_data->id < MAX_UART_INSTANCES)
clear_bit(cdns_uart_data->id, bitmap);
mutex_unlock(&bitmap_lock);
if (!instances)
uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
return rc;
}
@ -1725,10 +1621,6 @@ static int cdns_uart_remove(struct platform_device *pdev)
#endif
rc = uart_remove_one_port(cdns_uart_data->cdns_uart_driver, port);
port->mapbase = 0;
mutex_lock(&bitmap_lock);
if (cdns_uart_data->id < MAX_UART_INSTANCES)
clear_bit(cdns_uart_data->id, bitmap);
mutex_unlock(&bitmap_lock);
clk_disable_unprepare(cdns_uart_data->uartclk);
clk_disable_unprepare(cdns_uart_data->pclk);
pm_runtime_disable(&pdev->dev);
@ -1741,13 +1633,8 @@ static int cdns_uart_remove(struct platform_device *pdev)
console_port = NULL;
#endif
/* If this is last instance major number should be initialized */
mutex_lock(&bitmap_lock);
if (bitmap_empty(bitmap, MAX_UART_INSTANCES))
uartps_major = 0;
mutex_unlock(&bitmap_lock);
uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
if (!--instances)
uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
return rc;
}

View file

@ -81,6 +81,7 @@
#include <linux/errno.h>
#include <linux/kd.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/major.h>
#include <linux/mm.h>
#include <linux/console.h>
@ -350,7 +351,7 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
/* allocate everything in one go */
memsize = cols * rows * sizeof(char32_t);
memsize += rows * sizeof(char32_t *);
p = kmalloc(memsize, GFP_KERNEL);
p = vmalloc(memsize);
if (!p)
return NULL;
@ -366,7 +367,7 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
static void vc_uniscr_set(struct vc_data *vc, struct uni_screen *new_uniscr)
{
kfree(vc->vc_uni_screen);
vfree(vc->vc_uni_screen);
vc->vc_uni_screen = new_uniscr;
}
@ -1206,7 +1207,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
if (new_screen_size > (4 << 20))
if (new_screen_size > KMALLOC_MAX_SIZE)
return -EINVAL;
newscreen = kzalloc(new_screen_size, GFP_USER);
if (!newscreen)