On 6/4/26 8:43 AM, Ilias Apalodimas wrote:
On Wed, 3 Jun 2026 at 17:18, Marek Vasut
<[email protected]> wrote:
Some architectures can not DMA above 4 GiB boundary,
limit available memory to memory below 4 GiB boundary.
Signed-off-by: Marek Vasut <[email protected]>
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Cc: Andrew Goodbody <[email protected]>
Cc: David Lechner <[email protected]>
Cc: Heiko Schocher <[email protected]>
Cc: Heinrich Schuchardt <[email protected]>
Cc: Holger Brunck <[email protected]>
Cc: Ilias Apalodimas <[email protected]>
Cc: Peter Robinson <[email protected]>
Cc: Quentin Schulz <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Sughosh Ganu <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: [email protected]
---
V1: Invert the IS_ENABLED(CONFIG_LMB_LIMIT_DMA_BELOW_4G) conditional
---
Reviewed-by: Ilias Apalodimas <[email protected]>
Tested-by: Ilias Apalodimas <[email protected]> #rpi4 8GiB
I sent a follow up patch for the Kconfig option name too.
