AuxXxilium/linux_dsm_epyc7002
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575c319dfe
linux_dsm_epyc7002/drivers
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Heiko Stuebner 575c319dfe mmc: dw_mmc: fix pio mode when internal dmac is enabled 
The dw_mci_init_dma() may decide to not use dma, but pio instead, caused
by things like wrong dma settings in the system.

Till now the code dw_mci_init_slot() always assumed that dma is available
when CONFIG_MMC_DW_IDMAC was defined, ignoring the host->use_dma var
set during dma init.

So when now the dma init failed for whatever reason, the transfer sizes
would still be set for dma transfers, especially including the maximum
block-count calculated from host->ring_size and resulting in a

[    4.991109] ------------[ cut here ]------------
[    4.991111] kernel BUG at drivers/mmc/core/core.c:256!
[    4.991113] Internal error: Oops - BUG: 0 [#1] SMP ARM

because host->ring_size is 0 in this case and the slot init code uses
the wrong code to calculate the values.

Fix this by selecting the correct calculations using the host->use_dma
variable instead of the CONFIG_MMC_DW_IDMAC config option.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
2015-08-17 12:44:43 +02:00
..
accessibility
acpi ACPI / PM: Use target_state to set the device power state 2015-07-28 16:29:08 +02:00
amba
android
ata Merge branch 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2015-07-24 16:54:59 -07:00
atm
auxdisplay
base regmap: Fix handling of present bits on rbtree cache block resize 2015-08-12 09:06:39 -07:00
bcma
block zram: fix pool name truncation 2015-08-14 15:56:32 -07:00
bluetooth Bluetooth: btbcm: allow btbcm_read_verbose_config to fail on Apple 2015-07-14 22:54:55 +02:00
bus ARM: SoC: driver updates for v4.2 2015-06-26 11:54:29 -07:00
cdrom
char Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-08-03 10:53:58 -07:00
clk A one-liner for a regression found in the PXA clock driver. 2015-08-14 16:10:04 -07:00
clocksource clockevents/drivers/sh_cmt: Only perform clocksource suspend/resume if enabled 2015-08-08 10:50:08 +02:00
connector
cpufreq CPUFREQ: Loongson2: Fix broken build due to incorrect include. 2015-08-03 09:24:59 +02:00
cpuidle suspend-to-idle: Prevent RCU from complaining about tick_freeze() 2015-07-09 22:59:49 +02:00
crypto crypto: ixp4xx - Remove bogus BUG_ON on scattered dst buffer 2015-07-23 18:09:18 +08:00
dca
devfreq
dio
dma dmaengine fixes for 4.2-rc5 2015-08-01 12:47:04 -07:00
dma-buf
edac EDAC, ppc4xx: Access mci->csrows array elements properly 2015-08-13 06:02:19 +02:00
eisa
extcon extcon: Fix extcon_cable_get_state() from getting old state after notification 2015-07-31 15:18:41 +09:00
firewire
firmware efi: Check for NULL efi kernel parameters 2015-07-30 18:07:11 +01:00
fmc
gpio Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-07-18 10:27:12 -07:00
gpu Revert "drm/nouveau/fifo/gk104: kick channels when deactivating them" 2015-08-14 09:50:37 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2015-08-10 15:16:48 -07:00
hsi Fix up implicit <module.h> users that will break later. 2015-07-02 10:25:22 -07:00
hv
hwmon hwmon: (g762) Export OF module alias information 2015-08-05 08:31:59 -07:00
hwspinlock hwspinlock: qcom: Correct msb in regmap_field 2015-07-01 16:15:05 +03:00
hwtracing/coresight
i2c i2c: fix leaked device refcount on of_find_i2c_* error path 2015-08-01 12:11:58 +02:00
ide Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
idle
iio iio:light:stk3310: make endianness independent of host 2015-07-19 14:54:45 +01:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-29 09:54:40 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-08-09 09:38:42 +02:00
iommu iommu/amd: Allow non-ATS devices in IOMMUv2 domains 2015-07-31 15:15:41 +02:00
ipack
irqchip MIPS: SMP: Don't increment irq_count multiple times for call function IPIs 2015-08-03 09:25:12 +02:00
isdn isdn/gigaset: drop unused ldisc methods 2015-07-15 17:24:45 -07:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2015-07-01 19:09:11 -07:00
lguest Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 17:59:09 -07:00
macintosh macintosh/ans-lcd: fix build failure after module_init/exit relocation 2015-07-23 20:00:35 +10:00
mailbox Replace module_init with appropriate alternate initcall in non modules. 2015-07-02 10:36:29 -07:00
mcb
md dm cache policy smq: move 'dm-cache-default' module alias to SMQ 2015-08-12 11:27:29 -04:00
media x86/mm/pat, drivers/media/ivtv: Move the PAT warning and replace WARN() with pr_warn() 2015-07-21 09:42:54 +02:00
memory memory: omap-gpmc: Don't try to save uninitialized GPMC context 2015-08-12 01:43:49 -07:00
memstick memstick: remove deprecated use of pci api 2015-06-30 19:44:57 -07:00
message
mfd - Fix dependency issues on ChromeOS platforms 2015-08-10 10:48:11 -07:00
misc Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-08-03 14:51:30 -07:00
mmc mmc: dw_mmc: fix pio mode when internal dmac is enabled 2015-08-17 12:44:43 +02:00
mtd Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-13 10:46:39 -07:00
nfc Char/Misc driver patches for 4.2-rc1 2015-06-26 14:51:15 -07:00
ntb ntb: avoid format string in dev_set_name 2015-08-09 16:32:22 -04:00
nubus
nvdimm libnvdimm: fix namespace seed creation 2015-07-25 09:57:56 -07:00
of of: Drop owner assignment from platform and i2c driver 2015-07-27 08:24:39 -05:00
oprofile
parisc
parport parport: Revert "parport: fix memory leak" 2015-07-25 12:48:05 -07:00
pci Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-07-01 15:19:35 -07:00
pcmcia Fix up implicit <module.h> users that will break later. 2015-07-02 10:25:22 -07:00
phy phy: ti-pipe3: i783 workaround for SATA lockup after dpll unlock/relock 2015-08-01 15:52:58 +05:30
pinctrl Pin control fixes for the v4.2 series: 2015-07-21 15:27:27 -07:00
platform - Fix dependency issues on ChromeOS platforms 2015-08-10 10:48:11 -07:00
pnp ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage 2015-07-06 23:52:21 +02:00
power Replace module_platform_driver with builtin_platform driver in non modules. 2015-07-02 10:42:13 -07:00
powercap
pps
ps3
ptp
pwm pwm: Changes for v4.2-rc1 2015-06-23 13:32:38 -07:00
rapidio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-06-23 14:08:54 -07:00
ras
regulator Merge remote-tracking branches 'regulator/fix/88pm800', 'regulator/fix/max8973', 'regulator/fix/s2mps11' and 'regulator/fix/supply' into regulator-linus 2015-07-24 16:19:25 +01:00
remoteproc
reset
rpmsg
rtc rtc: armada38x: Remove unused variable from armada38x_rtc_set_time() 2015-07-18 00:42:31 +02:00
s390 virtio/vhost: fixes for 4.2 2015-07-23 13:07:04 -07:00
sbus
scsi SCSI fixes on 20150814 2015-08-15 13:54:53 -07:00
sfi
sh Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-07-01 15:19:35 -07:00
sn
soc ARM: SoC: late fixes and dependencies 2015-07-02 14:40:49 -07:00
spi Merge remote-tracking branches 'spi/fix/gqspi', 'spi/fix/imx', 'spi/fix/mg-spfi' and 'spi/fix/spidev' into spi-linus 2015-07-24 16:19:50 +01:00
spmi
ssb
staging staging: lustre: Include unaligned.h instead of access_ok.h 2015-08-04 22:13:25 -07:00
target iscsi-target: Fix iser explicit logout TX kthread leak 2015-07-24 14:19:44 -07:00
tc
thermal Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into for-rc 2015-08-03 23:11:25 +08:00
thunderbolt
tty tty: vt: Fix !TASK_RUNNING diagnostic warning from paste_selection() 2015-07-23 18:08:29 -07:00
uio
usb drivers/usb: Delete XHCI command timer if necessary 2015-08-03 14:41:48 -07:00
uwb
vfio vfio: Fix lockdep issue 2015-07-24 15:14:04 -06:00
vhost vhost: fix error handling for memory region alloc 2015-07-27 18:05:05 +03:00
video fbcon: unconditionally initialize cursor blink interval 2015-08-10 17:20:32 +03:00
virt
virtio virtio-input: reset device and detach unused during remove 2015-08-06 10:40:35 +03:00
vlynq
vme
w1
watchdog Update Viresh Kumar's email address 2015-07-17 16:39:53 -07:00
xen xen: bug fixes for 4.2-rc6 2015-08-13 13:36:22 -07:00
zorro
Kconfig libnvdimm, nfit: initial libnvdimm infrastructure and NFIT support 2015-06-24 21:24:10 -04:00
Makefile The libnvdimm sub-system introduces, in addition to the libnvdimm-core, 2015-06-29 10:34:42 -07:00