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Adrian Hunter ab45b45e7c mmc: sdhci-pci: Fix eMMC driver strength for BYT-based controllers 
commit 1a8eb6b373c2af6533c13d1ea11f504e5010ed9a upstream.

BIOS writers have begun the practice of setting 40 ohm eMMC driver strength
even though the eMMC may not support it, on the assumption that the kernel
will validate the value against the eMMC (Extended CSD DRIVER_STRENGTH
[offset 197]) and revert to the default 50 ohm value if 40 ohm is invalid.

This is done to avoid changing the value for different boards.

Putting aside the merits of this approach, it is clear the eMMC's mask
of supported driver strengths is more reliable than the value provided
by BIOS. Add validation accordingly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: 51ced59cc02e ("mmc: sdhci-pci: Use ACPI DSM to get driver strength for some Intel devices")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200422111629.4899-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-03-16 16:27:18 +08:00
..
accessibility Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
acpi ACPICA: Fixes for acpiExec namespace init file 2021-03-16 16:26:38 +08:00
amba Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
android Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ata libata: Return correct status in sata_pmp_eh_recover_pm() when ATA_DFLAG_DETACH is set 2021-03-16 16:26:16 +08:00
atm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
auxdisplay Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
base PM: sleep: core: Switch back to async_schedule_dev() 2021-03-16 16:27:11 +08:00
bcma Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
block virtio-blk: improve virtqueue error to BLK_STS 2021-03-16 16:26:49 +08:00
bluetooth Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bus bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads 2021-03-16 16:25:52 +08:00
cdrom Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
char tpm: ibmvtpm: retry on H_CLOSED in tpm_ibmvtpm_send() 2021-03-16 16:26:58 +08:00
clk clk: tegra: Fix Tegra PMC clock out parents 2021-03-16 16:26:33 +08:00
clocksource Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
connector Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
counter counter: 104-quad-8: Add lock guards - generic interface 2021-03-16 16:27:07 +08:00
cpufreq cpufreq: powernv: Fix use-after-free 2021-03-16 16:26:16 +08:00
cpuidle Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto Crypto: chelsio - Fixes a hang issue during driver registration 2021-03-16 16:27:15 +08:00
dax Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dca Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
devfreq Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dma Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dma-buf dma-buf: Fix SET_NAME ioctl uapi 2021-03-16 16:27:16 +08:00
edac Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
eisa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
extcon Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
firewire Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
firmware efi/x86: Ignore the memory attributes table on i386 2021-03-16 16:25:58 +08:00
fpga fpga: dfl: pci: fix return value of cci_pci_sriov_configure 2021-03-16 16:27:02 +08:00
fsi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
gnss Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
gpio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
gpu drm/qxl: qxl_release use after free 2021-03-16 16:27:17 +08:00
greybus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hid Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hsi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hv x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump 2021-03-16 16:26:32 +08:00
hwmon hwmon: (jc42) Fix name to have no illegal characters 2021-03-16 16:27:15 +08:00
hwspinlock Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hwtracing Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
i2c i2c: altera: use proper variable to hold errno 2021-03-16 16:27:08 +08:00
i3c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ide Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
idle Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
iio iio:ad7797: Use correct attribute_group 2021-03-16 16:27:06 +08:00
infiniband Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
input Input: i8042 - add Acer Aspire 5738z to nomux list 2021-03-16 16:26:15 +08:00
interconnect Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
iommu iommu/amd: Fix the configuration of GCR3 table root pointer 2021-03-16 16:26:40 +08:00
ipack Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
irqchip irqchip/mbigen: Free msi_desc on device teardown 2021-03-16 16:26:29 +08:00
isdn Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
leds leds: core: Fix warning message when init_data 2021-03-16 16:26:37 +08:00
lightnvm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
macintosh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mailbox Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mcb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
md dm clone: Add missing casts to prevent overflows and data corruption 2021-03-16 16:26:18 +08:00
media media: ti-vpe: cal: fix a kernel oops when unloading module 2021-03-16 16:26:02 +08:00
memory Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
memstick Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
message Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mfd mfd: dln2: Fix sanity checking for endpoints 2021-03-16 16:26:19 +08:00
misc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mmc mmc: sdhci-pci: Fix eMMC driver strength for BYT-based controllers 2021-03-16 16:27:18 +08:00
mtd mtd: phram: fix a double free issue in error path 2021-03-16 16:26:42 +08:00
mux Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
net qed: Fix use after free in qed_chain_free 2021-03-16 16:27:16 +08:00
nfc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ntb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nubus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nvdimm libnvdimm: Out of bounds read in __nd_ioctl() 2021-03-16 16:26:40 +08:00
nvme nvme: fix compat address handling in several ioctls 2021-03-16 16:26:47 +08:00
nvmem Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
of of: overlay: kmemleak in dup_and_fixup_symbol_prop() 2021-03-16 16:26:30 +08:00
opp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
oprofile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
parisc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
parport Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pci PCI: Move Apex Edge TPU class quirk to fix BAR assignment 2021-03-16 16:27:10 +08:00
pcmcia Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
perf Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
phy phy: uniphier-usb3ss: Add Pro5 support 2021-03-16 16:26:34 +08:00
pinctrl Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
platform platform/chrome: cros_ec_rpmsg: Fix race with host event 2021-03-16 16:26:22 +08:00
pnp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
power power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute Sticks. 2021-03-16 16:26:40 +08:00
powercap Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pps Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ps3 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ptp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pwm pwm: bcm2835: Dynamically allocate base 2021-03-16 16:26:47 +08:00
rapidio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ras Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
regulator Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
remoteproc remoteproc: Fix wrong rvring index computation 2021-03-16 16:27:05 +08:00
reset Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rpmsg Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rtc rtc: 88pm860x: fix possible race condition 2021-03-16 16:26:33 +08:00
s390 s390/cio: avoid duplicated 'ADD' uevents 2021-03-16 16:26:46 +08:00
sbus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
scsi scsi: smartpqi: fix problem with unique ID for physical device 2021-03-16 16:26:49 +08:00
sfi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
siox Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
slimbus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
soc drivers: soc: xilinx: fix firmware driver Kconfig dependency 2021-03-16 16:27:07 +08:00
soundwire Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
spi spi: spi-fsl-dspi: Replace interruptible wait queue with a simple completion 2021-03-16 16:25:59 +08:00
spmi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ssb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
staging PCI: Move Apex Edge TPU class quirk to fix BAR assignment 2021-03-16 16:27:10 +08:00
target scsi: target: tcmu: reset_ring should reset TCMU_DEV_BIT_BROKEN 2021-03-16 16:27:13 +08:00
tc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tee Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
thermal Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
thunderbolt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tty Revert "serial: uartps: Register own uart console and driver structures" 2021-03-16 16:27:04 +08:00
uio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
usb usb: gadget: udc: atmel: Fix vbus disconnect handling 2021-03-16 16:27:06 +08:00
vfio vfio: platform: Switch to platform_get_irq_optional() 2021-03-16 16:26:13 +08:00
vhost Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
video fbmem: Adjust indentation in fb_prepare_logo and fb_blank 2021-03-16 16:26:41 +08:00
virt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virtio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
visorbus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vlynq Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vme Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
w1 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
watchdog watchdog: reset last_hw_keepalive time at start 2021-03-16 16:26:44 +08:00
xen xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status 2021-03-16 16:27:14 +08:00
zorro Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00