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[for-stable-v4.4,10/53] ARM: smccc: Update HVC comment to describe new quirk parameter

Message ID 20191105205846.1394-11-ardb@kernel.org (mailing list archive)
State New, archived
Headers show
Series ARM: spectre v1/v2 mitigations | expand

Commit Message

Ard Biesheuvel Nov. 5, 2019, 8:58 p.m. UTC 
From: Will Deacon <will.deacon@arm.com>

[ Upstream commit 3046ec674d441562c6bb3e4284cd866743042ef3 ]

Commit 680a0873e193 ("arm: kernel: Add SMC structure parameter") added
a new "quirk" parameter to the SMC and HVC SMCCC backends, but only
updated the comment for the SMC version. This patch adds the new
paramater to the comment describing the HVC version too.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 include/linux/arm-smccc.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index b67934164401..4c5bca38c653 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -109,6 +109,7 @@  asmlinkage void __arm_smccc_smc(unsigned long a0, unsigned long a1,
  * __arm_smccc_hvc() - make HVC calls
  * @a0-a7: arguments passed in registers 0 to 7
  * @res: result values from registers 0 to 3
+ * @quirk: points to an arm_smccc_quirk, or NULL when no quirks are required.
  *
  * This function is used to make HVC calls following SMC Calling
  * Convention.  The content of the supplied param are copied to registers 0