diff options
| author | Tom Rix <trix@redhat.com> | 2023-03-15 18:04:50 -0400 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2023-03-20 19:00:58 +0200 |
| commit | 58cdfe6f58b35f17f56386f5fcf937168a423ad1 (patch) | |
| tree | c773fa1cf7ba139fe39feefbfa37884f6c23a28a /drivers/thunderbolt/nhi.c | |
| parent | 468c49f44759720a312e52d44a71c3949ed63d7c (diff) | |
thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
cppcheck reports
drivers/thunderbolt/nhi.c:74:7: style: Local variable 'bit' shadows outer variable [shadowVariable]
int bit;
^
drivers/thunderbolt/nhi.c:66:6: note: Shadowed declaration
int bit = ring_interrupt_index(ring) & 31;
^
drivers/thunderbolt/nhi.c:74:7: note: Shadow variable
int bit;
^
For readablity rename the outer to interrupt_bit and the innner
to auto_clear_bit.
Fixes: 468c49f44759 ("thunderbolt: Disable interrupt auto clear for ring")
Cc: stable@vger.kernel.org
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/nhi.c')
| -rw-r--r-- | drivers/thunderbolt/nhi.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index 318d20bd5b69..cfebec107f3f 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -63,15 +63,15 @@ static void ring_interrupt_active(struct tb_ring *ring, bool active) { int reg = REG_RING_INTERRUPT_BASE + ring_interrupt_index(ring) / 32 * 4; - int bit = ring_interrupt_index(ring) & 31; - int mask = 1 << bit; + int interrupt_bit = ring_interrupt_index(ring) & 31; + int mask = 1 << interrupt_bit; u32 old, new; if (ring->irq > 0) { u32 step, shift, ivr, misc; void __iomem *ivr_base; + int auto_clear_bit; int index; - int bit; if (ring->is_tx) index = ring->hop; @@ -91,11 +91,12 @@ static void ring_interrupt_active(struct tb_ring *ring, bool active) */ misc = ioread32(ring->nhi->iobase + REG_DMA_MISC); if (ring->nhi->quirks & QUIRK_AUTO_CLEAR_INT) - bit = REG_DMA_MISC_INT_AUTO_CLEAR; + auto_clear_bit = REG_DMA_MISC_INT_AUTO_CLEAR; else - bit = REG_DMA_MISC_DISABLE_AUTO_CLEAR; - if (!(misc & bit)) - iowrite32(misc | bit, ring->nhi->iobase + REG_DMA_MISC); + auto_clear_bit = REG_DMA_MISC_DISABLE_AUTO_CLEAR; + if (!(misc & auto_clear_bit)) + iowrite32(misc | auto_clear_bit, + ring->nhi->iobase + REG_DMA_MISC); ivr_base = ring->nhi->iobase + REG_INT_VEC_ALLOC_BASE; step = index / REG_INT_VEC_ALLOC_REGS * REG_INT_VEC_ALLOC_BITS; @@ -115,7 +116,7 @@ static void ring_interrupt_active(struct tb_ring *ring, bool active) dev_dbg(&ring->nhi->pdev->dev, "%s interrupt at register %#x bit %d (%#x -> %#x)\n", - active ? "enabling" : "disabling", reg, bit, old, new); + active ? "enabling" : "disabling", reg, interrupt_bit, old, new); if (new == old) dev_WARN(&ring->nhi->pdev->dev, |