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