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2b16fd6305
linux/drivers
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Wolfram Sang 2b16fd6305 i2c: rcar: handle RXDMA HW behaviour on Gen3 
On Gen3, we can only do RXDMA once per transfer reliably. For that, we
must reset the device, then we can have RXDMA once. This patch
implements this. When there is no reset controller or the reset fails,
RXDMA will be blocked completely. Otherwise, it will be disabled after
the first RXDMA transfer. Based on a commit from the BSP by Hiromitsu
Yamasaki, yet completely refactored to handle multiple read messages
within one transfer.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2018-07-24 14:56:12 +02:00
..
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acpi ACPI / EC: Use ec_no_wakeup on more Thinkpad X1 Carbon 6th systems 2018-07-19 16:42:15 +02:00
amba Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2018-06-06 13:49:25 -07:00
android treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ata ata: Remove depends on HAS_DMA in case of platform dependency 2018-07-02 13:18:22 -07:00
atm atm: zatm: Fix potential Spectre v1 2018-06-30 21:24:18 +09:00
auxdisplay treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
base PM / Domains: Don't power on at attach for the multi PM domain case 2018-07-03 16:42:51 +02:00
bcma dma-mapping updates for 4.18: 2018-06-04 10:58:12 -07:00
block for-linus-20180706 2018-07-06 19:13:42 -07:00
bluetooth bluetooth: hci_nokia: Don't include linux/unaligned/le_struct.h directly. 2018-06-17 08:38:55 +09:00
bus bus: ti-sysc: Use 2-factor allocator arguments 2018-07-02 04:24:44 -07:00
cdrom treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
char char: amd64-agp: Use 64-bit arithmetic instead of 32-bit 2018-07-10 13:50:31 +10:00
clk clk: davinci: fixes for 4.18 2018-06-27 11:01:29 -07:00
clocksource clocksource: arm_arch_timer: Set arch_mem_timer cpumask to cpu_possible_mask 2018-07-10 22:12:47 +02:00
connector Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
cpufreq cpufreq: intel_pstate: Register when ACPI PCCH is present 2018-07-18 13:38:37 +02:00
cpuidle powerpc updates for 4.18 2018-06-07 10:23:33 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-06-24 06:31:54 +08:00
dax * fix one ensures that a variable passed in by reference to 2018-07-13 10:54:01 -07:00
dca
devfreq treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
dio
dma dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate() 2018-06-28 11:57:21 +05:30
dma-buf
edac treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
eisa
extcon treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
firewire treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
firmware efi/libstub/tpm: Initialize efi_physical_addr_t vars to zero for mixed mode 2018-06-22 10:58:27 +02:00
fmc treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
fpga fpga: altera-cvp: Fix an error handling path in 'altera_cvp_probe()' 2018-07-07 16:55:22 +02:00
fsi
gpio treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
gpu Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-07-22 12:04:51 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2018-07-09 17:16:11 -07:00
hsi
hv treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
hwmon hwmon: (nct6775) Fix loop limit 2018-06-16 16:40:36 -07:00
hwspinlock hwspinlock updates for v4.18 2018-06-11 12:09:19 -07:00
hwtracing treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
i2c i2c: rcar: handle RXDMA HW behaviour on Gen3 2018-07-24 14:56:12 +02:00
ide treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
idle
iio iio: imu: inv_mpu6050: Fix probe() failure on older ACPI based machines 2018-06-24 14:50:52 +01:00
infiniband Regression, user visible bugs, and crashing fixes: 2018-07-13 12:42:14 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2018-06-27 09:16:53 -07:00
iommu Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices" 2018-07-20 13:55:56 +02:00
ipack treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
irqchip irqchip/gic-v3-its: Fix reprogramming of redistributors on CPU hotplug 2018-06-22 14:22:02 +02:00
isdn Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
leds treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
lightnvm for-linus-20180623 2018-06-24 06:33:54 +08:00
macintosh powerpc updates for 4.18 2018-06-07 10:23:33 -07:00
mailbox treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
mcb
md - Fix DM writecache target to allow an optional offset to the start of 2018-07-20 14:24:17 -07:00
media bpf: fix attach type BPF_LIRC_MODE2 dependency wrt CONFIG_CGROUP_BPF 2018-06-26 11:28:38 +02:00
memory - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
memstick treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
message treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
mfd Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-06-14 16:21:46 +09:00
misc Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-07-22 12:04:51 -07:00
mmc mmc: sdhci-esdhc-imx: allow 1.8V modes without 100/200MHz pinctrl states 2018-07-09 11:17:47 +02:00
mtd mtd: spi-nor: cadence-quadspi: Fix direct mode write timeouts 2018-07-03 10:01:44 +02:00
mux
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-07-18 19:32:54 -07:00
nfc NFC: pn533: Fix wrong GFP flag usage 2018-06-25 21:36:45 +08:00
ntb - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
nubus Char/Misc driver patches for 4.18-rc1 2018-06-05 16:20:22 -07:00
nvdimm * fix one ensures that a variable passed in by reference to 2018-07-13 10:54:01 -07:00
nvme nvme: fix handling of metadata_len for NVME_IOCTL_IO_CMD 2018-07-20 07:43:59 -07:00
nvmem nvmem: Don't let a NULL cell_id for nvmem_cell_get() crash us 2018-07-07 17:30:25 +02:00
of of: overlay: update phandle cache on overlay apply and remove 2018-07-16 08:41:32 -06:00
opp PM / OPP: Update voltage in case freq == old_freq 2018-06-19 15:53:32 +05:30
oprofile treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
parisc dma-mapping updates for 4.18: 2018-06-04 10:58:12 -07:00
parport docs: Fix some broken references 2018-06-15 18:10:01 -03:00
pci pci-v4.18-fixes-3 2018-07-19 11:54:04 -07:00
pcmcia treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
perf drivers/perf: xgene_pmu: Fix IOB SLOW PMU parser error 2018-06-18 17:48:42 +01:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
pinctrl pinctrl: nsp: Fix potential NULL dereference 2018-07-14 12:47:04 +02:00
platform platform/x86: dell-laptop: Fix backlight detection 2018-07-20 15:29:59 +03:00
pnp media updates for v4.18-rc1 2018-06-07 12:34:37 -07:00
power treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
powercap treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
pps
ps3
ptp ptp: fix missing break in switch 2018-07-18 15:25:25 -07:00
pwm pwm: Changes for v4.18-rc1 2018-06-14 16:25:43 +09:00
rapidio treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
ras
regulator treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
remoteproc treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX 2018-06-15 07:55:25 +09:00
reset - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
rpmsg rpmsg: smd: do not use mananged resources for endpoints and channels 2018-06-04 12:35:03 -07:00
rtc rtc: fix alarm read and set offset 2018-07-13 10:37:54 +02:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2018-07-06 09:14:34 -07:00
sbus fix a series of Documentation/ broken file name references 2018-06-15 18:10:01 -03:00
scsi Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-07-22 12:04:51 -07:00
sfi
sh treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
siox
slimbus treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sn
soc i.MX fixes for 4.18, round 3: 2018-07-19 15:09:59 -07:00
soundwire docs: Fix more broken references 2018-06-15 18:11:26 -03:00
spi treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spmi
ssb
staging staging: r8822be: Fix RTL8822be can't find any wireless AP 2018-07-06 17:44:35 +02:00
target scsi: target: Fix truncated PR-in ReadKeys response 2018-06-19 21:36:37 -04:00
tc
tee
thermal - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
thunderbolt thunderbolt: Notify userspace when boot_acl is changed 2018-07-07 17:29:17 +02:00
tty vt: prevent leaking uninitialized data to userspace via /dev/vcs* 2018-06-28 21:34:39 +09:00
uio uio: fix crash after the device is unregistered 2018-07-07 16:57:35 +02:00
usb USB: yurex: fix out-of-bounds uaccess in read handler 2018-07-06 17:21:34 +02:00
uwb treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
vfio powerpc fixes for 4.18 #4 2018-07-21 16:46:53 -07:00
vhost vhost_net: validate sock before trying to put its fd 2018-06-23 10:23:49 +09:00
video Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
virt treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
virtio virtio, vhost: features, fixes 2018-06-16 06:35:02 +09:00
visorbus
vlynq
vme
w1 Char/Misc driver patches for 4.18-rc1 2018-06-05 16:20:22 -07:00
watchdog MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
xen xen: fixes for 4.18-rc2 2018-06-23 20:44:11 +08:00
zorro - Introduce arithmetic overflow test helper functions (Rasmus) 2018-06-06 17:27:14 -07:00
Kconfig
Makefile