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authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-22 09:05:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-22 09:05:28 -0800
commit19472481bf58f7c6c939668be885bd300afcb6c6 (patch)
tree2ea5dff1cbdc6f6552ed803f635a5f632b4f8943 /drivers/firmware/qcom_scm.c
parent32c080c4b5cfadeb1d1d5952840d696d5cda8bb8 (diff)
parenta56f44138a2c57047f1ea94ea121af31c595132b (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 'drivers/firmware/qcom_scm.c')
-rw-r--r--drivers/firmware/qcom_scm.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 7be48c1bec96..f57779fc7ee9 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -965,8 +965,11 @@ EXPORT_SYMBOL(qcom_scm_ice_available);
* qcom_scm_ice_invalidate_key() - Invalidate an inline encryption key
* @index: the keyslot to invalidate
*
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
+ *
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
*
* Return: 0 on success; -errno on failure.
*/
@@ -995,10 +998,13 @@ EXPORT_SYMBOL(qcom_scm_ice_invalidate_key);
* units, e.g. 1 = 512 bytes, 8 = 4096 bytes, etc.
*
* Program a key into a keyslot of Qualcomm ICE (Inline Crypto Engine), where it
- * can then be used to encrypt/decrypt UFS I/O requests inline.
+ * can then be used to encrypt/decrypt UFS or eMMC I/O requests inline.
+ *
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
*
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
*
* Return: 0 on success; -errno on failure.
*/