Messages in this thread Patch in this message |  | | Date | Sun, 1 May 2022 21:12:29 +0200 | From | Philipp Hortmann <> | Subject | [PATCH v5 2/2] staging: vt6655: Added missing BE support in CARDbGetCurrentTSF |
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Added missing big-endian support in CARDbGetCurrentTSF.
Reported-by: David Laight <David.Laight@ACULAB.COM> Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> --- V1 -> V2: Replaced #ifdef __BIG_ENDIAN with le64_to_cpu() Updated below example
Code for testing: low = ioread32(iobase + MAC_REG_TSFCNTR); high = ioread32(iobase + MAC_REG_TSFCNTR + 4); *pqwCurrTSF = le64_to_cpu(low + ((u64)high << 32)); dev_info(&priv->pcid->dev, "CARDbGetCurrentTSF little endian: 0x%016llx", *pqwCurrTSF); dev_info(&priv->pcid->dev, "CARDbGetCurrentTSF big-endian: 0x%016llx", be64_to_cpu(low + ((u64)high << 32)));
Log of the microsecond counter: vt6655 0000:01:05.0: CARDbGetCurrentTSF little endian: 0x00 00 00 03 6a ce 0d 7d vt6655 0000:01:05.0: CARDbGetCurrentTSF big-endian: 0x7d 0d ce 6a 03 00 00 00 vt6655 0000:01:05.0: CARDbGetCurrentTSF little endian: 0x00 00 00 03 6a ce 0d 89 vt6655 0000:01:05.0: CARDbGetCurrentTSF big-endian: 0x89 0d ce 6a 03 00 00 00 --- drivers/staging/vt6655/card.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c index 0dd13e475d6b..431890e6b8d2 100644 --- a/drivers/staging/vt6655/card.c +++ b/drivers/staging/vt6655/card.c @@ -756,7 +756,7 @@ bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF) return false; low = ioread32(iobase + MAC_REG_TSFCNTR); high = ioread32(iobase + MAC_REG_TSFCNTR + 4); - *pqwCurrTSF = low + ((u64)high << 32); + *pqwCurrTSF = le64_to_cpu(low + ((u64)high << 32)); return true; } -- 2.25.1
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