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coding guidelines: comply with MISRA C:2012 Rule 12.2

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- explicit with a cast the destination bitwidth of left shift
  ensuring to not break DTS

Signed-off-by: Abramo Bagnara <abramo.bagnara@bugseng.com>
This commit is contained in:
Abramo Bagnara 2022-03-20 14:11:50 +01:00 committed by Anas Nashif
parent 32af724fbb
commit 47896e4584
1 changed files with 7 additions and 1 deletions
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8
include/zephyr/dt-bindings/pcie/pcie.h
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@ -26,9 +26,15 @@
#define PCIE_ID_DEV_SHIFT 16U
#define PCIE_ID_DEV_MASK 0xFFFFU
#ifdef __DTS__
#define CAST(type, v) (v)
#else
#define CAST(type, v) ((type)(v))
#endif
#define PCIE_ID(vend, dev) \
((((vend) & PCIE_ID_VEND_MASK) << PCIE_ID_VEND_SHIFT) | \
(((dev) & PCIE_ID_DEV_MASK) << PCIE_ID_DEV_SHIFT))
(CAST(uint32_t, (dev) & PCIE_ID_DEV_MASK) << PCIE_ID_DEV_SHIFT))
#define PCIE_ID_TO_VEND(id) (((id) >> PCIE_ID_VEND_SHIFT) & PCIE_ID_VEND_MASK)
#define PCIE_ID_TO_DEV(id) (((id) >> PCIE_ID_DEV_SHIFT) & PCIE_ID_DEV_MASK)