[PATCH] soc: apple: Fix swapped paddr and size shift

From: Sven Peter

Date: Sun Nov 08 2026 - 09:35:31 EST


Right now we assign the paddr shift to the size shift and vice-versa.
Luckily, this doesn't matter because they are the same for all SART
versions but fixing this doesn't hurt.

Fixes: b170143ae111 ("soc: apple: Add SART driver")
Signed-off-by: Sven Peter <sven@xxxxxxxxxx>
---
drivers/soc/apple/sart.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/apple/sart.c b/drivers/soc/apple/sart.c
index 66b99955b395..5f1f9ec5d311 100644
--- a/drivers/soc/apple/sart.c
+++ b/drivers/soc/apple/sart.c
@@ -258,8 +258,8 @@ static int sart_set_entry(struct apple_sart *sart, int index, u8 flags,
if (paddr & ((1 << sart->ops->paddr_shift) - 1))
return -EINVAL;

- paddr >>= sart->ops->size_shift;
- size >>= sart->ops->paddr_shift;
+ paddr >>= sart->ops->paddr_shift;
+ size >>= sart->ops->size_shift;

if (size > sart->ops->size_max)
return -EINVAL;

---
base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4
change-id: 20261108-b4-sart-fix-5bd3c614af66

Best regards,
--
Sven Peter <sven@xxxxxxxxxx>