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94322ed8e8
linux/drivers/misc
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Vaibhav Jain 94322ed8e8 cxl: Check if PSL data-cache is available before issue flush request 
PSL9D doesn't have a data-cache that needs to be flushed before
resetting the card. However when cxl tries to flush data-cache on such
a card, it times-out as PSL_Control register never indicates flush
operation complete due to missing data-cache. This is usually
indicated in the kernel logs with this message:

"WARNING: cache flush timed out"

To fix this the patch checks PSL_Debug register CDC-Field(BIT:27)
which indicates the absence of a data-cache and sets a flag
'no_data_cache' in 'struct cxl_native' to indicate this. When
cxl_data_cache_flush() is called it checks the flag and if set bails
out early without requesting a data-cache flush operation to the PSL.

Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-03-13 15:50:26 +11:00
..
altera-stapl misc: altera-stapl: drop Kconfig comment 2017-10-04 10:43:08 +02:00
c2port kmemcheck: remove annotations 2017-11-15 18:21:04 -08:00
cardreader - New Drivers 2018-01-29 10:59:24 -08:00
cb710
cxl cxl: Check if PSL data-cache is available before issue flush request 2018-03-13 15:50:26 +11:00
echo
eeprom Merge branch 'i2c/for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-02-04 10:57:43 -08:00
genwqe genwqe: Remove unused parameter in some functions 2017-12-19 10:54:44 +01:00
ibmasm Merge branch 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2017-11-15 10:14:11 -08:00
lis3lv02d vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
mei mei: me: add cannon point device ids for 4th device 2018-02-20 08:58:42 +01:00
mic vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
ocxl ocxl: Fix potential bad errno on irq allocation 2018-02-21 11:21:01 +11:00
sgi-gru mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks 2018-01-31 17:18:38 -08:00
sgi-xp Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
ti-st misc: ti-st: constify attribute_group structures. 2017-08-28 16:55:48 +02:00
vmw_vmci vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
ad525x_dpot-i2c.c
ad525x_dpot-spi.c
ad525x_dpot.c misc: ad525x_dpot: macros should not use a trailing semicolon 2017-12-18 16:02:26 +01:00
ad525x_dpot.h misc: ad525x_dpot: Unnecessary space before function pointer arguments 2017-12-18 15:59:17 +01:00
apds990x.c misc: apds990x: Missing a blank line after declarations. 2017-12-18 16:02:26 +01:00
apds9802als.c misc: apds9802als: constify i2c_device_id 2017-08-28 16:55:49 +02:00
aspeed-lpc-ctrl.c drivers/misc: aspeed-lpc-ctrl: fix printk format warning again 2017-04-08 17:37:20 +02:00
aspeed-lpc-snoop.c drivers/misc: (aspeed-lpc-snoop): Add ast2400 to compat 2017-07-17 17:23:16 +02:00
atmel_tclib.c
atmel-ssc.c misc: atmel-ssc: register as sound DAI if #sound-dai-cells is present 2016-12-15 12:13:31 +00:00
bh1770glc.c misc: bh1770glc: constify attribute_group structures. 2017-08-28 16:55:48 +02:00
cs5535-mfgpt.c
ds1682.c misc: ds1682: Ignore update-in-progress ETC reads 2018-01-09 17:03:57 +01:00
dummy-irq.c Annotate hardware config module parameters in drivers/misc/ 2017-04-20 12:02:32 +01:00
enclosure.c misc: enclosure: Remove unnecessary error check 2017-12-07 18:45:31 +01:00
fsa9480.c misc: fsa9480: Add blank line after declarations. 2018-01-09 17:03:57 +01:00
hmc6352.c misc: hmc6352: constify i2c_device_id 2017-08-28 16:55:49 +02:00
hpilo.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
hpilo.h misc: hpilo: Use SPDX-License-Identifier 2017-12-07 18:45:31 +01:00
ics932s401.c misc: ics932s401: open brace should be on the previous line 2017-12-18 16:00:57 +01:00
ioc4.c misc: ioc4: constify pci_device_id. 2017-08-28 16:55:48 +02:00
isl29003.c misc: isl29003: Missing a blank line after declarations 2017-12-07 18:45:31 +01:00
isl29020.c misc: isl29020: constify i2c_device_id 2017-08-28 16:55:49 +02:00
Kconfig powerpc updates for 4.16 2018-02-02 10:01:04 -08:00
kgdbts.c treewide: Fix function prototypes for module_param_call() 2017-10-31 15:30:37 +01:00
lattice-ecp3-config.c
lkdtm_bugs.c lkdtm: include WARN format string 2017-11-17 16:10:01 -08:00
lkdtm_core.c Currently, hardened usercopy performs dynamic bounds checking on slab 2018-02-03 16:25:42 -08:00
lkdtm_heap.c lkdtm: Missing kmalloc check 2017-11-28 16:33:03 +01:00
lkdtm_perms.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lkdtm_refcount.c lkdtm: fix spelling mistake: "incremeted" -> "incremented" 2017-08-28 17:47:11 +02:00
lkdtm_rodata.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lkdtm_usercopy.c lkdtm: Update usercopy tests for whitelisting 2018-01-15 12:08:09 -08:00
lkdtm.h lkdtm: Update usercopy tests for whitelisting 2018-01-15 12:08:09 -08:00
Makefile powerpc updates for 4.16 2018-02-02 10:01:04 -08:00
pch_phub.c MISC: add const to bin_attribute structures 2017-08-28 16:55:48 +02:00
pci_endpoint_test.c misc: pci_endpoint_test: Fix BUG_ON error during pci_disable_msi() 2017-10-31 15:33:46 -05:00
phantom.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
pti.c drivers/misc/intel/pti: Rename the header file to free up the namespace 2017-12-17 12:52:34 +01:00
qcom-coincell.c
spear13xx_pcie_gadget.c
sram-exec.c misc: sram-exec: Use aligned fncpy instead of memcpy 2017-05-18 17:37:52 +02:00
sram.c misc: Convert to using %pOF instead of full_name 2017-08-28 16:55:49 +02:00
sram.h misc: sram: Integrate protect-exec reserved sram area type 2017-01-25 11:48:03 +01:00
tifm_7xx1.c misc: tifm: constify pci_device_id. 2017-08-28 16:55:48 +02:00
tifm_core.c
tsl2550.c misc: tsl2550: Add OF device ID table 2017-04-08 18:22:59 +02:00
vexpress-syscfg.c misc: vexpress: Use PTR_ERR_OR_ZERO() 2017-12-07 18:45:31 +01:00
vmw_balloon.c x86/virt: Add enum for hypervisors to replace x86_hyper 2017-11-10 10:03:12 +01:00