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Re: [XEN PATCH 1/2] pci: add suffix 'U' to PCI_CONF_ADDRESS macro.
- To: Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 24 Apr 2024 14:47:21 +0200
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- Cc: consulting@xxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 24 Apr 2024 12:47:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.04.2024 14:11, Alessandro Zucchelli wrote:
> This addresses violations of MISRA C:2012 Rule 7.2 which states as
> following: A “u” or “U” suffix shall be applied to all integer constants
> that are represented in an unsigned type.
>
> No functional change.
>
> Signed-off-by: Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
> --- a/xen/arch/x86/x86_64/pci.c
> +++ b/xen/arch/x86/x86_64/pci.c
> @@ -9,7 +9,7 @@
> #include <asm/io.h>
>
> #define PCI_CONF_ADDRESS(sbdf, reg) \
> - (0x80000000 | ((sbdf).bdf << 8) | ((reg) & ~3))
> + (0x80000000U | ((sbdf).bdf << 8) | ((reg) & ~3))
>
> uint8_t pci_conf_read8(pci_sbdf_t sbdf, unsigned int reg)
> {
This is x86'es PCI, so the subject prefix may ant to be "x86/pci:".
Jan
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