From: "Ard Biesheuvel" <ardb@kernel.org>
To: Sami Mujawar <sami.mujawar@arm.com>
Cc: devel@edk2.groups.io, ardb+tianocore@kernel.org,
quic_llindhol@quicinc.com, neil.jones@blaize.com,
pedro.falcato@gmail.com, pierre.gondois@arm.com,
Matteo.Carlini@arm.com, Akanksha.Jain2@arm.com,
Ben.Adderson@arm.com, Sibel.Allinson@arm.com, nd@arm.com
Subject: Re: [PATCH v1 04/12] ArmPkg: Fix Non-Boolean comparison in ArmGicEnableDistributor
Date: Tue, 23 May 2023 15:32:21 +0200 [thread overview]
Message-ID: <CAMj1kXHw6pB3pG7WzqJCWVC33kdprGYJ9b70yiusOqRGaw-ADg@mail.gmail.com> (raw)
In-Reply-To: <20230523130421.10804-5-sami.mujawar@arm.com>
On Tue, 23 May 2023 at 15:04, Sami Mujawar <sami.mujawar@arm.com> wrote:
>
> According to edk2 coding standard specification, Non-Boolean
> comparisons must use a compare operator (==, !=, >, < >=, <=).
> See Section 5.7.2.1 at https://edk2-docs.gitbook.io/
> edk-ii-c-coding-standards-specification/5_source_files/
> 57_c_programming
>
> Therefore, fix the comparison in ArmGicEnableDistributor()
>
> Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
> ---
> ArmPkg/Drivers/ArmGic/ArmGicNonSecLib.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/ArmPkg/Drivers/ArmGic/ArmGicNonSecLib.c b/ArmPkg/Drivers/ArmGic/ArmGicNonSecLib.c
> index c17cbe041e8a9ceb8c8c3a6b953ff88b75f6f206..1ca66a40940434d6d89e243650f3e81aa3f588b5 100644
> --- a/ArmPkg/Drivers/ArmGic/ArmGicNonSecLib.c
> +++ b/ArmPkg/Drivers/ArmGic/ArmGicNonSecLib.c
> @@ -26,7 +26,10 @@ ArmGicEnableDistributor (
> if (Revision == ARM_GIC_ARCH_REVISION_2) {
> MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);
> } else {
> - if (MmioRead32 (GicDistributorBase + ARM_GIC_ICDDCR) & ARM_GIC_ICDDCR_ARE) {
> + if ((MmioRead32 (
> + GicDistributorBase + ARM_GIC_ICDDCR
> + ) & ARM_GIC_ICDDCR_ARE) != 0)
> + {
This coding style is terrible. Mind using a temporary variable for the
result of the MmioRead32() instead?
> MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x2);
> } else {
> MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);
> --
> 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
>
next prev parent reply other threads:[~2023-05-23 13:32 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-23 13:04 [PATCH v1 00/12] ArmPkg: Arm GIC Library and Driver improvements Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 01/12] ArmPkg: Fix data type used for GicDistributorBase Sami Mujawar
2023-05-23 13:29 ` Ard Biesheuvel
2023-05-23 13:04 ` [PATCH v1 02/12] ArmPkg: Fix data type used for GicInterruptInterfaceBase Sami Mujawar
2023-05-23 13:35 ` Pedro Falcato
2023-05-23 15:16 ` Sami Mujawar
2023-05-23 13:36 ` Ard Biesheuvel
2023-05-23 13:04 ` [PATCH v1 03/12] ArmPkg: Fix ArmGicSendSgiTo() parameters Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 04/12] ArmPkg: Fix Non-Boolean comparison in ArmGicEnableDistributor Sami Mujawar
2023-05-23 13:32 ` Ard Biesheuvel [this message]
2023-05-23 15:16 ` Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 05/12] ArmPkg: Fix return type for ArmGicGetInterfaceIdentification Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 06/12] ArmPkg: Make variables used for GicInterrupt UINTN Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 07/12] ArmPkg: Fix return value for ArmGicV2AcknowledgeInterrupt Sami Mujawar
2023-05-23 13:32 ` Pedro Falcato
2023-05-23 15:17 ` Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 08/12] ArmPkg: Typecast IntID to UINT32 in ArmGicV2EndOfInterrupt Sami Mujawar
2023-05-23 13:26 ` [edk2-devel] " Ard Biesheuvel
2023-05-23 15:16 ` Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 09/12] ArmPkg: Remove unused function declarations Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 10/12] ArmPkg: Prevent SgiId from setting RES0 bits of GICD_SGIR Sami Mujawar
2023-05-23 13:37 ` Ard Biesheuvel
2023-05-23 13:04 ` [PATCH v1 11/12] ArmPkg: Adjust variable type and cast for RegShift & RegOffset Sami Mujawar
2023-05-23 13:04 ` [PATCH v1 12/12] ArmPkg: Fix ArmGicAcknowledgeInterrupt () for GICv3 Sami Mujawar
2023-05-23 13:38 ` Ard Biesheuvel
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