Re: [PATCH v5 0/3] media: rc: ir-spi: allocate buffer dynamically

From: Sean Young
Date: Fri Jun 20 2025 - 12:46:17 EST


On Fri, Jun 13, 2025 at 02:21:50PM +0300, Cosmin Tanislav wrote:
> Replace the static transmit buffer with a dynamically allocated one,
> removing the limit imposed on the number of pulses to transmit.
>
> Add a check to constrain the carrier frequency inside
> ir_spi_set_tx_carrier().
>
> Switch to u64 arithmetic to ir_spi_tx() when calculating the number
> of pulses to transmit.

Looks good, I've created a PR to have it merged.

Sean

>
> V5:
> * add separate patch to solve overflow issues in ir_spi_tx()
> * avoid overflow in carrier frequency constraint
>
> V4:
> * add separate patch to constrain the carrier frequency
>
> V3:
> * move the allocation to be done per-TX operation
>
> V2:
> * use devm_krealloc_array
>
> Cosmin Tanislav (3):
> media: rc: ir-spi: allocate buffer dynamically
> media: rc: ir-spi: constrain carrier frequency
> media: rc: ir-spi: avoid overflow in multiplication
>
> drivers/media/rc/ir-spi.c | 40 +++++++++++++++++++++++++--------------
> 1 file changed, 26 insertions(+), 14 deletions(-)
>
> --
> 2.49.0
>