diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-22 09:05:28 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-22 09:05:28 -0800 |
commit | 19472481bf58f7c6c939668be885bd300afcb6c6 (patch) | |
tree | 2ea5dff1cbdc6f6552ed803f635a5f632b4f8943 /Documentation/block | |
parent | 32c080c4b5cfadeb1d1d5952840d696d5cda8bb8 (diff) | |
parent | a56f44138a2c57047f1ea94ea121af31c595132b (diff) |
Merge tag 'mmc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for eMMC inline encryption
- Add a helper function to parse DT properties for clock phases
- Some improvements and cleanups for the mmc_test module
MMC host:
- android-goldfish: Remove driver
- cqhci: Add support for eMMC inline encryption
- dw_mmc-zx: Remove driver
- meson-gx: Extend support for scatter-gather to allow SD_IO_RW_EXTENDED
- mmci: Add support for probing bus voltage level translator
- mtk-sd: Address race condition for request timeouts
- sdhci_am654: Add Support for the variant on TI's AM64 SoC
- sdhci-esdhc-imx: Prevent kernel panic at ->remove()
- sdhci-iproc: Add ACPI bindings for the RPi to enable SD and WiFi on RPi4
- sdhci-msm: Add Inline Crypto Engine support
- sdhci-msm: Use actual_clock to improve timeout calculations
- sdhci-of-aspeed: Add Andrew Jeffery as maintainer
- sdhci-of-aspeed: Extend clock support for the AST2600 variant
- sdhci-pci-gli: Increase idle period for low power state for GL9763E
- sdhci-pci-o2micro: Make tuning for SDR104 HW more robust
- sdhci-sirf: Remove driver
- sdhci-xenon: Add support for the AP807 variant
- sunxi-mmc: Add support for the A100 variant
- sunxi-mmc: Ensure host is suspended during system sleep
- tmio: Add detection of data timeout errors
- tmio/renesas_sdhi: Extend support for retuning
- renesas_sdhi_internal_dmac: Add support for the ->pre|post_req() ops"
* tag 'mmc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (86 commits)
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
mmc: host: Retire MMC_GOLDFISH
mmc: cb710: Use new tasklet API
mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure
mmc: mmc_test: use erase_arg for mmc_erase command
mmc: wbsd: Use new tasklet API
mmc: via-sdmmc: Use new tasklet API
mmc: uniphier-sd: Use new tasklet API
mmc: tifm_sd: Use new tasklet API
mmc: s3cmci: Use new tasklet API
mmc: omap: Use new tasklet API
mmc: dw_mmc: Use new tasklet API
mmc: au1xmmc: Use new tasklet API
mmc: atmel-mci: Use new tasklet API
mmc: cavium: Replace spin_lock_irqsave with spin_lock in hard IRQ
mmc: queue: Remove unused define
mmc: core: Drop redundant bouncesz from struct mmc_card
mmc: core: Drop redundant member in struct mmc host
mmc: core: Use host instead of card argument to mmc_spi_send_csd()
mmc: core: Exclude unnecessary header file
...
Diffstat (limited to 'Documentation/block')
-rw-r--r-- | Documentation/block/inline-encryption.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/block/inline-encryption.rst b/Documentation/block/inline-encryption.rst index e75151e467d3..7f9b40d6b416 100644 --- a/Documentation/block/inline-encryption.rst +++ b/Documentation/block/inline-encryption.rst @@ -182,8 +182,9 @@ API presented to device drivers A :c:type:``struct blk_keyslot_manager`` should be set up by device drivers in the ``request_queue`` of the device. The device driver needs to call -``blk_ksm_init`` on the ``blk_keyslot_manager``, which specifying the number of -keyslots supported by the hardware. +``blk_ksm_init`` (or its resource-managed variant ``devm_blk_ksm_init``) on the +``blk_keyslot_manager``, while specifying the number of keyslots supported by +the hardware. The device driver also needs to tell the KSM how to actually manipulate the IE hardware in the device to do things like programming the crypto key into @@ -202,10 +203,9 @@ needs each and every of its keyslots to be reprogrammed with the key it "should have" at the point in time when the function is called. This is useful e.g. if a device loses all its keys on runtime power down/up. -``blk_ksm_destroy`` should be called to free up all resources used by a keyslot -manager upon ``blk_ksm_init``, once the ``blk_keyslot_manager`` is no longer -needed. - +If the driver used ``blk_ksm_init`` instead of ``devm_blk_ksm_init``, then +``blk_ksm_destroy`` should be called to free up all resources used by a +``blk_keyslot_manager`` once it is no longer needed. Layered Devices =============== |