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Greg Kroah-Hartman e9f033e359 Merge 4.9.203 into android-4.9-q
Changes in 4.9.203
	ax88172a: fix information leak on short answers
	slip: Fix memory leak in slip_open error path
	ALSA: usb-audio: Fix missing error check at mixer resolution test
	ALSA: usb-audio: not submit urb for stopped endpoint
	Input: ff-memless - kill timer in destroy()
	Input: synaptics-rmi4 - fix video buffer size
	Input: synaptics-rmi4 - clear IRQ enables for F54
	Input: synaptics-rmi4 - destroy F54 poller workqueue when removing
	IB/hfi1: Ensure full Gen3 speed in a Gen4 system
	ecryptfs_lookup_interpose(): lower_dentry->d_inode is not stable
	ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either
	iommu/vt-d: Fix QI_DEV_IOTLB_PFSID and QI_DEV_EIOTLB_PFSID macros
	mm: memcg: switch to css_tryget() in get_mem_cgroup_from_mm()
	mm: hugetlb: switch to css_tryget() in hugetlb_cgroup_charge_cgroup()
	mmc: sdhci-of-at91: fix quirk2 overwrite
	ath10k: fix kernel panic by moving pci flush after napi_disable
	iio: dac: mcp4922: fix error handling in mcp4922_write_raw
	ALSA: pcm: signedness bug in snd_pcm_plug_alloc()
	arm64: dts: tegra210-p2180: Correct sdmmc4 vqmmc-supply
	ARM: dts: at91/trivial: Fix USART1 definition for at91sam9g45
	cfg80211: Avoid regulatory restore when COUNTRY_IE_IGNORE is set
	ALSA: seq: Do error checks at creating system ports
	ath9k: fix tx99 with monitor mode interface
	gfs2: Don't set GFS2_RDF_UPTODATE when the lvb is updated
	ASoC: dpcm: Properly initialise hw->rate_max
	MIPS: BCM47XX: Enable USB power on Netgear WNDR3400v3
	ARM: dts: exynos: Fix sound in Snow-rev5 Chromebook
	ARM: dts: exynos: Fix regulators configuration on Peach Pi/Pit Chromebooks
	i40e: use correct length for strncpy
	i40e: hold the rtnl lock on clearing interrupt scheme
	i40e: Prevent deleting MAC address from VF when set by PF
	IB/rxe: fixes for rdma read retry
	iwlwifi: mvm: avoid sending too many BARs
	ARM: dts: pxa: fix power i2c base address
	rtl8187: Fix warning generated when strncpy() destination length matches the sixe argument
	net: lan78xx: Bail out if lan78xx_get_endpoints fails
	ASoC: sgtl5000: avoid division by zero if lo_vag is zero
	ARM: dts: exynos: Disable pull control for S5M8767 PMIC
	ath10k: wmi: disable softirq's while calling ieee80211_rx
	mips: txx9: fix iounmap related issue
	ASoC: Intel: hdac_hdmi: Limit sampling rates at dai creation
	of: make PowerMac cache node search conditional on CONFIG_PPC_PMAC
	ARM: dts: omap3-gta04: give spi_lcd node a label so that we can overwrite in other DTS files
	ARM: dts: omap3-gta04: fixes for tvout / venc
	ARM: dts: omap3-gta04: tvout: enable as display1 alias
	ARM: dts: omap3-gta04: fix touchscreen tsc2007
	ARM: dts: omap3-gta04: make NAND partitions compatible with recent U-Boot
	ARM: dts: omap3-gta04: keep vpll2 always on
	dmaengine: dma-jz4780: Don't depend on MACH_JZ4780
	dmaengine: dma-jz4780: Further residue status fix
	ath9k: add back support for using active monitor interfaces for tx99
	signal: Always ignore SIGKILL and SIGSTOP sent to the global init
	signal: Properly deliver SIGILL from uprobes
	signal: Properly deliver SIGSEGV from x86 uprobes
	f2fs: fix memory leak of percpu counter in fill_super()
	scsi: sym53c8xx: fix NULL pointer dereference panic in sym_int_sir()
	ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set
	scsi: pm80xx: Corrected dma_unmap_sg() parameter
	scsi: pm80xx: Fixed system hang issue during kexec boot
	kprobes: Don't call BUG_ON() if there is a kprobe in use on free list
	nvmem: core: return error code instead of NULL from nvmem_device_get
	media: fix: media: pci: meye: validate offset to avoid arbitrary access
	media: dvb: fix compat ioctl translation
	ALSA: intel8x0m: Register irq handler after register initializations
	pinctrl: at91-pio4: fix has_config check in atmel_pctl_dt_subnode_to_map()
	llc: avoid blocking in llc_sap_close()
	ARM: dts: qcom: ipq4019: fix cpu0's qcom,saw2 reg value
	powerpc/vdso: Correct call frame information
	ARM: dts: socfpga: Fix I2C bus unit-address error
	pinctrl: at91: don't use the same irqchip with multiple gpiochips
	cxgb4: Fix endianness issue in t4_fwcache()
	power: supply: ab8500_fg: silence uninitialized variable warnings
	power: reset: at91-poweroff: do not procede if at91_shdwc is allocated
	power: supply: max8998-charger: Fix platform data retrieval
	component: fix loop condition to call unbind() if bind() fails
	kernfs: Fix range checks in kernfs_get_target_path
	ip_gre: fix parsing gre header in ipgre_err
	ARM: dts: rockchip: Fix erroneous SPI bus dtc warnings on rk3036
	ath9k: Fix a locking bug in ath9k_add_interface()
	s390/qeth: invoke softirqs after napi_schedule()
	PCI/ACPI: Correct error message for ASPM disabling
	serial: mxs-auart: Fix potential infinite loop
	powerpc/iommu: Avoid derefence before pointer check
	powerpc/64s/hash: Fix stab_rr off by one initialization
	powerpc/pseries: Disable CPU hotplug across migrations
	RDMA/i40iw: Fix incorrect iterator type
	libfdt: Ensure INT_MAX is defined in libfdt_env.h
	power: supply: twl4030_charger: fix charging current out-of-bounds
	power: supply: twl4030_charger: disable eoc interrupt on linear charge
	net: toshiba: fix return type of ndo_start_xmit function
	net: xilinx: fix return type of ndo_start_xmit function
	net: broadcom: fix return type of ndo_start_xmit function
	net: amd: fix return type of ndo_start_xmit function
	usb: chipidea: imx: enable OTG overcurrent in case USB subsystem is already started
	usb: chipidea: Fix otg event handler
	mlxsw: spectrum: Init shaper for TCs 8..15
	ARM: dts: am335x-evm: fix number of cpsw
	f2fs: fix to recover inode's uid/gid during POR
	ARM: dts: ux500: Correct SCU unit address
	ARM: dts: ux500: Fix LCDA clock line muxing
	ARM: dts: ste: Fix SPI controller node names
	spi: pic32: Use proper enum in dmaengine_prep_slave_rg
	cpufeature: avoid warning when compiling with clang
	ARM: dts: marvell: Fix SPI and I2C bus warnings
	bnx2x: Ignore bandwidth attention in single function mode
	net: micrel: fix return type of ndo_start_xmit function
	x86/CPU: Use correct macros for Cyrix calls
	MIPS: kexec: Relax memory restriction
	media: pci: ivtv: Fix a sleep-in-atomic-context bug in ivtv_yuv_init()
	media: au0828: Fix incorrect error messages
	media: davinci: Fix implicit enum conversion warning
	usb: gadget: uvc: configfs: Drop leaked references to config items
	usb: gadget: uvc: configfs: Prevent format changes after linking header
	phy: phy-twl4030-usb: fix denied runtime access
	usb: gadget: uvc: Factor out video USB request queueing
	usb: gadget: uvc: Only halt video streaming endpoint in bulk mode
	coresight: Fix handling of sinks
	coresight: etm4x: Configure EL2 exception level when kernel is running in HYP
	coresight: tmc: Fix byte-address alignment for RRP
	misc: kgdbts: Fix restrict error
	misc: genwqe: should return proper error value.
	vfio/pci: Fix potential memory leak in vfio_msi_cap_len
	vfio/pci: Mask buggy SR-IOV VF INTx support
	scsi: libsas: always unregister the old device if going to discover new
	ARM: dts: tegra30: fix xcvr-setup-use-fuses
	ARM: tegra: apalis_t30: fix mmc1 cmd pull-up
	ARM: dts: paz00: fix wakeup gpio keycode
	net: smsc: fix return type of ndo_start_xmit function
	EDAC: Raise the maximum number of memory controllers
	ARM: dts: realview: Fix SPI controller node names
	Bluetooth: L2CAP: Detect if remote is not able to use the whole MPS
	crypto: s5p-sss: Fix Fix argument list alignment
	crypto: fix a memory leak in rsa-kcs1pad's encryption mode
	scsi: NCR5380: Clear all unissued commands on host reset
	scsi: NCR5380: Use DRIVER_SENSE to indicate valid sense data
	scsi: NCR5380: Check for invalid reselection target
	scsi: NCR5380: Don't clear busy flag when abort fails
	scsi: NCR5380: Don't call dsprintk() following reselection interrupt
	scsi: NCR5380: Handle BUS FREE during reselection
	arm64: dts: amd: Fix SPI bus warnings
	arm64: dts: lg: Fix SPI controller node names
	ARM: dts: lpc32xx: Fix SPI controller node names
	usb: xhci-mtk: fix ISOC error when interval is zero
	fuse: use READ_ONCE on congestion_threshold and max_background
	IB/iser: Fix possible NULL deref at iser_inv_desc()
	memfd: Use radix_tree_deref_slot_protected to avoid the warning.
	slcan: Fix memory leak in error path
	net: cdc_ncm: Signedness bug in cdc_ncm_set_dgram_size()
	x86/atomic: Fix smp_mb__{before,after}_atomic()
	kprobes/x86: Prohibit probing on exception masking instructions
	uprobes/x86: Prohibit probing on MOV SS instruction
	fbdev: Ditch fb_edid_add_monspecs
	block: introduce blk_rq_is_passthrough
	libata: have ata_scsi_rw_xlat() fail invalid passthrough requests
	net: ovs: fix return type of ndo_start_xmit function
	net: xen-netback: fix return type of ndo_start_xmit function
	ARM: dts: omap5: enable OTG role for DWC3 controller
	f2fs: return correct errno in f2fs_gc
	SUNRPC: Fix priority queue fairness
	kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table
	arm64/numa: Report correct memblock range for the dummy node
	ath10k: fix vdev-start timeout on error
	ata: ahci_brcm: Allow using driver or DSL SoCs
	ath9k: fix reporting calculated new FFT upper max
	usb: gadget: udc: fotg210-udc: Fix a sleep-in-atomic-context bug in fotg210_get_status()
	nl80211: Fix a GET_KEY reply attribute
	dmaengine: ep93xx: Return proper enum in ep93xx_dma_chan_direction
	dmaengine: timb_dma: Use proper enum in td_prep_slave_sg
	mei: samples: fix a signedness bug in amt_host_if_call()
	cxgb4: Use proper enum in cxgb4_dcb_handle_fw_update
	cxgb4: Use proper enum in IEEE_FAUX_SYNC
	powerpc/pseries: Fix DTL buffer registration
	powerpc/pseries: Fix how we iterate over the DTL entries
	mtd: rawnand: sh_flctl: Use proper enum for flctl_dma_fifo0_transfer
	ixgbe: Fix crash with VFs and flow director on interface flap
	IB/mthca: Fix error return code in __mthca_init_one()
	IB/mlx4: Avoid implicit enumerated type conversion
	ACPICA: Never run _REG on system_memory and system_IO
	ata: ep93xx: Use proper enums for directions
	media: pxa_camera: Fix check for pdev->dev.of_node
	ALSA: hda/sigmatel - Disable automute for Elo VuPoint
	KVM: PPC: Book3S PR: Exiting split hack mode needs to fixup both PC and LR
	USB: serial: cypress_m8: fix interrupt-out transfer length
	mtd: physmap_of: Release resources on error
	cpu/SMT: State SMT is disabled even with nosmt and without "=force"
	brcmfmac: reduce timeout for action frame scan
	brcmfmac: fix full timeout waiting for action frame on-channel tx
	clk: samsung: Use clk_hw API for calling clk framework from clk notifiers
	i2c: brcmstb: Allow enabling the driver on DSL SoCs
	NFSv4.x: fix lock recovery during delegation recall
	dmaengine: ioat: fix prototype of ioat_enumerate_channels
	Input: st1232 - set INPUT_PROP_DIRECT property
	Input: silead - try firmware reload after unsuccessful resume
	x86/olpc: Fix build error with CONFIG_MFD_CS5535=m
	crypto: mxs-dcp - Fix SHA null hashes and output length
	crypto: mxs-dcp - Fix AES issues
	ACPI / SBS: Fix rare oops when removing modules
	iwlwifi: mvm: don't send keys when entering D3
	fbdev: sbuslib: use checked version of put_user()
	fbdev: sbuslib: integer overflow in sbusfb_ioctl_helper()
	reset: Fix potential use-after-free in __of_reset_control_get()
	bcache: recal cached_dev_sectors on detach
	s390/kasan: avoid vdso instrumentation
	proc/vmcore: Fix i386 build error of missing copy_oldmem_page_encrypted()
	backlight: lm3639: Unconditionally call led_classdev_unregister
	mfd: ti_am335x_tscadc: Keep ADC interface on if child is wakeup capable
	printk: Give error on attempt to set log buffer length to over 2G
	media: isif: fix a NULL pointer dereference bug
	GFS2: Flush the GFS2 delete workqueue before stopping the kernel threads
	media: cx231xx: fix potential sign-extension overflow on large shift
	x86/kexec: Correct KEXEC_BACKUP_SRC_END off-by-one error
	gpio: syscon: Fix possible NULL ptr usage
	spi: spidev: Fix OF tree warning logic
	ARM: 8802/1: Call syscall_trace_exit even when system call skipped
	orangefs: rate limit the client not running info message
	hwmon: (pwm-fan) Silence error on probe deferral
	hwmon: (ina3221) Fix INA3221_CONFIG_MODE macros
	misc: cxl: Fix possible null pointer dereference
	mac80211: minstrel: fix CCK rate group streams value
	spi: rockchip: initialize dma_slave_config properly
	ARM: dts: omap5: Fix dual-role mode on Super-Speed port
	arm64: uaccess: Ensure PAN is re-enabled after unhandled uaccess fault
	Linux 4.9.203

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-11-27 18:47:50 +03:00

246 lines
6.4 KiB
C

/*
* Linux LED driver for RTL8187
*
* Copyright 2009 Larry Finger <Larry.Finger@lwfinger.net>
*
* Based on the LED handling in the r8187 driver, which is:
* Copyright (c) Realtek Semiconductor Corp. All rights reserved.
*
* Thanks to Realtek for their support!
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifdef CONFIG_RTL8187_LEDS
#include <net/mac80211.h>
#include <linux/usb.h>
#include <linux/eeprom_93cx6.h>
#include "rtl8187.h"
#include "leds.h"
static void led_turn_on(struct work_struct *work)
{
/* As this routine does read/write operations on the hardware, it must
* be run from a work queue.
*/
u8 reg;
struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv,
led_on.work);
struct rtl8187_led *led = &priv->led_tx;
/* Don't change the LED, when the device is down. */
if (!priv->vif || priv->vif->type == NL80211_IFTYPE_UNSPECIFIED)
return ;
/* Skip if the LED is not registered. */
if (!led->dev)
return;
mutex_lock(&priv->conf_mutex);
switch (led->ledpin) {
case LED_PIN_GPIO0:
rtl818x_iowrite8(priv, &priv->map->GPIO0, 0x01);
rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0x00);
break;
case LED_PIN_LED0:
reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~(1 << 4);
rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
break;
case LED_PIN_LED1:
reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~(1 << 5);
rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
break;
case LED_PIN_HW:
default:
break;
}
mutex_unlock(&priv->conf_mutex);
}
static void led_turn_off(struct work_struct *work)
{
/* As this routine does read/write operations on the hardware, it must
* be run from a work queue.
*/
u8 reg;
struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv,
led_off.work);
struct rtl8187_led *led = &priv->led_tx;
/* Don't change the LED, when the device is down. */
if (!priv->vif || priv->vif->type == NL80211_IFTYPE_UNSPECIFIED)
return ;
/* Skip if the LED is not registered. */
if (!led->dev)
return;
mutex_lock(&priv->conf_mutex);
switch (led->ledpin) {
case LED_PIN_GPIO0:
rtl818x_iowrite8(priv, &priv->map->GPIO0, 0x01);
rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0x01);
break;
case LED_PIN_LED0:
reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) | (1 << 4);
rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
break;
case LED_PIN_LED1:
reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) | (1 << 5);
rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
break;
case LED_PIN_HW:
default:
break;
}
mutex_unlock(&priv->conf_mutex);
}
/* Callback from the LED subsystem. */
static void rtl8187_led_brightness_set(struct led_classdev *led_dev,
enum led_brightness brightness)
{
struct rtl8187_led *led = container_of(led_dev, struct rtl8187_led,
led_dev);
struct ieee80211_hw *hw = led->dev;
struct rtl8187_priv *priv;
static bool radio_on;
if (!hw)
return;
priv = hw->priv;
if (led->is_radio) {
if (brightness == LED_FULL) {
ieee80211_queue_delayed_work(hw, &priv->led_on, 0);
radio_on = true;
} else if (radio_on) {
radio_on = false;
cancel_delayed_work(&priv->led_on);
ieee80211_queue_delayed_work(hw, &priv->led_off, 0);
}
} else if (radio_on) {
if (brightness == LED_OFF) {
ieee80211_queue_delayed_work(hw, &priv->led_off, 0);
/* The LED is off for 1/20 sec - it just blinks. */
ieee80211_queue_delayed_work(hw, &priv->led_on,
HZ / 20);
} else
ieee80211_queue_delayed_work(hw, &priv->led_on, 0);
}
}
static int rtl8187_register_led(struct ieee80211_hw *dev,
struct rtl8187_led *led, const char *name,
const char *default_trigger, u8 ledpin,
bool is_radio)
{
int err;
struct rtl8187_priv *priv = dev->priv;
if (led->dev)
return -EEXIST;
if (!default_trigger)
return -EINVAL;
led->dev = dev;
led->ledpin = ledpin;
led->is_radio = is_radio;
strlcpy(led->name, name, sizeof(led->name));
led->led_dev.name = led->name;
led->led_dev.default_trigger = default_trigger;
led->led_dev.brightness_set = rtl8187_led_brightness_set;
err = led_classdev_register(&priv->udev->dev, &led->led_dev);
if (err) {
printk(KERN_INFO "LEDs: Failed to register %s\n", name);
led->dev = NULL;
return err;
}
return 0;
}
static void rtl8187_unregister_led(struct rtl8187_led *led)
{
struct ieee80211_hw *hw = led->dev;
struct rtl8187_priv *priv = hw->priv;
led_classdev_unregister(&led->led_dev);
flush_delayed_work(&priv->led_off);
led->dev = NULL;
}
void rtl8187_leds_init(struct ieee80211_hw *dev, u16 custid)
{
struct rtl8187_priv *priv = dev->priv;
char name[RTL8187_LED_MAX_NAME_LEN + 1];
u8 ledpin;
int err;
/* According to the vendor driver, the LED operation depends on the
* customer ID encoded in the EEPROM
*/
printk(KERN_INFO "rtl8187: Customer ID is 0x%02X\n", custid);
switch (custid) {
case EEPROM_CID_RSVD0:
case EEPROM_CID_RSVD1:
case EEPROM_CID_SERCOMM_PS:
case EEPROM_CID_QMI:
case EEPROM_CID_DELL:
case EEPROM_CID_TOSHIBA:
ledpin = LED_PIN_GPIO0;
break;
case EEPROM_CID_ALPHA0:
ledpin = LED_PIN_LED0;
break;
case EEPROM_CID_HW:
ledpin = LED_PIN_HW;
break;
default:
ledpin = LED_PIN_GPIO0;
}
INIT_DELAYED_WORK(&priv->led_on, led_turn_on);
INIT_DELAYED_WORK(&priv->led_off, led_turn_off);
snprintf(name, sizeof(name),
"rtl8187-%s::radio", wiphy_name(dev->wiphy));
err = rtl8187_register_led(dev, &priv->led_radio, name,
ieee80211_get_radio_led_name(dev), ledpin, true);
if (err)
return;
snprintf(name, sizeof(name),
"rtl8187-%s::tx", wiphy_name(dev->wiphy));
err = rtl8187_register_led(dev, &priv->led_tx, name,
ieee80211_get_tx_led_name(dev), ledpin, false);
if (err)
goto err_tx;
snprintf(name, sizeof(name),
"rtl8187-%s::rx", wiphy_name(dev->wiphy));
err = rtl8187_register_led(dev, &priv->led_rx, name,
ieee80211_get_rx_led_name(dev), ledpin, false);
if (!err)
return;
/* registration of RX LED failed - unregister */
rtl8187_unregister_led(&priv->led_tx);
err_tx:
rtl8187_unregister_led(&priv->led_radio);
}
void rtl8187_leds_exit(struct ieee80211_hw *dev)
{
struct rtl8187_priv *priv = dev->priv;
rtl8187_unregister_led(&priv->led_radio);
rtl8187_unregister_led(&priv->led_rx);
rtl8187_unregister_led(&priv->led_tx);
cancel_delayed_work_sync(&priv->led_off);
cancel_delayed_work_sync(&priv->led_on);
}
#endif /* def CONFIG_RTL8187_LEDS */