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From: Francisco Iglesias <frasse.iglesias@gmail.com>
To: Anton Kochkov <anton.kochkov@proton.me>
Cc: qemu-devel@nongnu.org, Pavel Pisa <pisa@cmp.felk.cvut.cz>,
	Vikram Garhwal <fnu.vikram@xilinx.com>,
	Francisco Iglesias <francisco.iglesias@xilinx.com>,
	Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH] can: fix Xilinx ZynqMP CAN RX FIFO logic
Date: Wed, 17 Aug 2022 11:50:54 +0200	[thread overview]
Message-ID: <20220817095053.GA4571@fralle-msi> (raw)
In-Reply-To: <20220812172420.1946484-1-anton.kochkov@proton.me>

On [2022 Aug 12] Fri 17:25:28, Anton Kochkov wrote:
> Function "update_rx_fifo()" should operate on the RX FIFO
> registers, not the TX FIFO ones.

Hi Anton,

Should we update the git commit message to say this is done for readability /
keeping it consistent? (the defines have the same values)

Otherwise:
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>

Best regards,
Francisco Iglesias

> 
> Signed-off-by: Anton Kochkov <anton.kochkov@proton.me>
> Resolves: https://gitlab.com/qemu-projects/qemu/-/issues/1123
> ---
>  hw/net/can/xlnx-zynqmp-can.c | 32 ++++++++++++++++----------------
>  1 file changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/hw/net/can/xlnx-zynqmp-can.c b/hw/net/can/xlnx-zynqmp-can.c
> index 82ac48cee2..e93e6c5e19 100644
> --- a/hw/net/can/xlnx-zynqmp-can.c
> +++ b/hw/net/can/xlnx-zynqmp-can.c
> @@ -696,30 +696,30 @@ static void update_rx_fifo(XlnxZynqMPCANState *s, const qemu_can_frame *frame)
>                                                 timestamp));
> 
>              /* First 32 bit of the data. */
> -            fifo32_push(&s->rx_fifo, deposit32(0, R_TXFIFO_DATA1_DB3_SHIFT,
> -                                               R_TXFIFO_DATA1_DB3_LENGTH,
> +            fifo32_push(&s->rx_fifo, deposit32(0, R_RXFIFO_DATA1_DB3_SHIFT,
> +                                               R_RXFIFO_DATA1_DB3_LENGTH,
>                                                 frame->data[0]) |
> -                                     deposit32(0, R_TXFIFO_DATA1_DB2_SHIFT,
> -                                               R_TXFIFO_DATA1_DB2_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA1_DB2_SHIFT,
> +                                               R_RXFIFO_DATA1_DB2_LENGTH,
>                                                 frame->data[1]) |
> -                                     deposit32(0, R_TXFIFO_DATA1_DB1_SHIFT,
> -                                               R_TXFIFO_DATA1_DB1_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA1_DB1_SHIFT,
> +                                               R_RXFIFO_DATA1_DB1_LENGTH,
>                                                 frame->data[2]) |
> -                                     deposit32(0, R_TXFIFO_DATA1_DB0_SHIFT,
> -                                               R_TXFIFO_DATA1_DB0_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA1_DB0_SHIFT,
> +                                               R_RXFIFO_DATA1_DB0_LENGTH,
>                                                 frame->data[3]));
>              /* Last 32 bit of the data. */
> -            fifo32_push(&s->rx_fifo, deposit32(0, R_TXFIFO_DATA2_DB7_SHIFT,
> -                                               R_TXFIFO_DATA2_DB7_LENGTH,
> +            fifo32_push(&s->rx_fifo, deposit32(0, R_RXFIFO_DATA2_DB7_SHIFT,
> +                                               R_RXFIFO_DATA2_DB7_LENGTH,
>                                                 frame->data[4]) |
> -                                     deposit32(0, R_TXFIFO_DATA2_DB6_SHIFT,
> -                                               R_TXFIFO_DATA2_DB6_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA2_DB6_SHIFT,
> +                                               R_RXFIFO_DATA2_DB6_LENGTH,
>                                                 frame->data[5]) |
> -                                     deposit32(0, R_TXFIFO_DATA2_DB5_SHIFT,
> -                                               R_TXFIFO_DATA2_DB5_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA2_DB5_SHIFT,
> +                                               R_RXFIFO_DATA2_DB5_LENGTH,
>                                                 frame->data[6]) |
> -                                     deposit32(0, R_TXFIFO_DATA2_DB4_SHIFT,
> -                                               R_TXFIFO_DATA2_DB4_LENGTH,
> +                                     deposit32(0, R_RXFIFO_DATA2_DB4_SHIFT,
> +                                               R_RXFIFO_DATA2_DB4_LENGTH,
>                                                 frame->data[7]));
> 
>              ARRAY_FIELD_DP32(s->regs, INTERRUPT_STATUS_REGISTER, RXOK, 1);
> --
> 2.37.1
> 
> 
> 


      reply	other threads:[~2022-08-17  9:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-12 17:25 [PATCH] can: fix Xilinx ZynqMP CAN RX FIFO logic Anton Kochkov
2022-08-17  9:50 ` Francisco Iglesias [this message]

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