diff options
| author | Srinivasarao P <spathi@codeaurora.org> | 2018-02-05 11:56:41 +0530 |
|---|---|---|
| committer | Srinivasarao P <spathi@codeaurora.org> | 2018-02-05 11:59:38 +0530 |
| commit | 2fd547e8d1f09628007fc2bca04ccff416bb9d76 (patch) | |
| tree | 5c38fac921c4ed2778f6c9c4d5b732614528bd87 /drivers/hwmon | |
| parent | 38cacfd106259c2f10d8ee33047b7212d7844732 (diff) | |
| parent | aa856bd83c43969dc3e8f8c0e97e6105e91aef76 (diff) | |
Merge android-4.4.115 (aa856bd) into msm-4.4
* refs/heads/tmp-aa856bd
Linux 4.4.115
spi: imx: do not access registers while clocks disabled
serial: imx: Only wakeup via RTSDEN bit if the system has RTS/CTS
selinux: general protection fault in sock_has_perm
usb: uas: unconditionally bring back host after reset
usb: f_fs: Prevent gadget unbind if it is already unbound
USB: serial: simple: add Motorola Tetra driver
usbip: list: don't list devices attached to vhci_hcd
usbip: prevent bind loops on devices attached to vhci_hcd
USB: serial: io_edgeport: fix possible sleep-in-atomic
CDC-ACM: apply quirk for card reader
USB: cdc-acm: Do not log urb submission errors on disconnect
USB: serial: pl2303: new device id for Chilitag
usb: option: Add support for FS040U modem
staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID
usb: gadget: don't dereference g until after it has been null checked
media: usbtv: add a new usbid
scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg
scsi: aacraid: Prevent crash in case of free interrupt during scsi EH path
xfs: ubsan fixes
drm/omap: Fix error handling path in 'omap_dmm_probe()'
kmemleak: add scheduling point to kmemleak_scan()
SUNRPC: Allow connect to return EHOSTUNREACH
quota: Check for register_shrinker() failure.
net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit
hwmon: (pmbus) Use 64bit math for DIRECT format values
lockd: fix "list_add double add" caused by legacy signal interface
nfsd: check for use of the closed special stateid
grace: replace BUG_ON by WARN_ONCE in exit_net hook
nfsd: Ensure we check stateid validity in the seqid operation checks
nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0)
xen-netfront: remove warning when unloading module
KVM: VMX: Fix rflags cache during vCPU reset
btrfs: fix deadlock when writing out space cache
mac80211: fix the update of path metric for RANN frame
openvswitch: fix the incorrect flow action alloc size
drm/amdkfd: Fix SDMA oversubsription handling
drm/amdkfd: Fix SDMA ring buffer size calculation
drm/amdgpu: Fix SDMA load/unload sequence on HWS disabled mode
bcache: check return value of register_shrinker
cpufreq: Add Loongson machine dependencies
ACPI / bus: Leave modalias empty for devices which are not present
KVM: x86: ioapic: Preserve read-only values in the redirection table
KVM: x86: ioapic: Clear Remote IRR when entry is switched to edge-triggered
KVM: x86: ioapic: Fix level-triggered EOI and IOAPIC reconfigure race
KVM: X86: Fix operand/address-size during instruction decoding
KVM: x86: Don't re-execute instruction when not passing CR2 value
KVM: x86: emulator: Return to user-mode on L1 CPL=0 emulation failure
igb: Free IRQs when device is hotplugged
mtd: nand: denali_pci: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
gpio: ath79: add missing MODULE_DESCRIPTION/LICENSE
gpio: iop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
power: reset: zx-reboot: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
crypto: af_alg - whitelist mask and type
crypto: aesni - handle zero length dst buffer
ALSA: seq: Make ioctls race-free
kaiser: fix intel_bts perf crashes
x86/pti: Make unpoison of pgd for trusted boot work for real
bpf: reject stores into ctx via st and xadd
bpf: fix 32-bit divide by zero
bpf: fix divides by zero
bpf: avoid false sharing of map refcount with max_entries
bpf: arsh is not supported in 32 bit alu thus reject it
bpf: introduce BPF_JIT_ALWAYS_ON config
bpf: fix bpf_tail_call() x64 JIT
x86: bpf_jit: small optimization in emit_bpf_tail_call()
bpf: fix branch pruning logic
loop: fix concurrent lo_open/lo_release
ANDROID: sdcardfs: Protect set_top
ANDROID: fsnotify: Notify lower fs of open
Revert "ANDROID: sdcardfs: notify lower file of opens"
ANDROID: sdcardfs: Use lower getattr times/size
ANDROID: sched/rt: schedtune: Add boost retention to RT
Conflicts:
arch/x86/Kconfig
kernel/sched/rt.c
Change-Id: I91b08e1b8e0a1c6ca9c245597acad0bf197f9527
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus_core.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index ba59eaef2e07..d013acf3f83a 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -20,6 +20,7 @@ */ #include <linux/kernel.h> +#include <linux/math64.h> #include <linux/module.h> #include <linux/init.h> #include <linux/err.h> @@ -476,8 +477,8 @@ static long pmbus_reg2data_linear(struct pmbus_data *data, static long pmbus_reg2data_direct(struct pmbus_data *data, struct pmbus_sensor *sensor) { - long val = (s16) sensor->data; - long m, b, R; + s64 b, val = (s16)sensor->data; + s32 m, R; m = data->info->m[sensor->class]; b = data->info->b[sensor->class]; @@ -505,11 +506,12 @@ static long pmbus_reg2data_direct(struct pmbus_data *data, R--; } while (R < 0) { - val = DIV_ROUND_CLOSEST(val, 10); + val = div_s64(val + 5LL, 10L); /* round closest */ R++; } - return (val - b) / m; + val = div_s64(val - b, m); + return clamp_val(val, LONG_MIN, LONG_MAX); } /* @@ -629,7 +631,8 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, static u16 pmbus_data2reg_direct(struct pmbus_data *data, struct pmbus_sensor *sensor, long val) { - long m, b, R; + s64 b, val64 = val; + s32 m, R; m = data->info->m[sensor->class]; b = data->info->b[sensor->class]; @@ -646,18 +649,18 @@ static u16 pmbus_data2reg_direct(struct pmbus_data *data, R -= 3; /* Adjust R and b for data in milli-units */ b *= 1000; } - val = val * m + b; + val64 = val64 * m + b; while (R > 0) { - val *= 10; + val64 *= 10; R--; } while (R < 0) { - val = DIV_ROUND_CLOSEST(val, 10); + val64 = div_s64(val64 + 5LL, 10L); /* round closest */ R++; } - return val; + return (u16)clamp_val(val64, S16_MIN, S16_MAX); } static u16 pmbus_data2reg_vid(struct pmbus_data *data, |
