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Re: [Qemu-devel] [PATCH 1/8] sdcard: Do not trace CMD55, except when we
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 1/8] sdcard: Do not trace CMD55, except when we already expect an ACMD |
Date: |
Fri, 9 Mar 2018 15:44:44 +0000 |
On 9 March 2018 at 15:36, Philippe Mathieu-Daudé <address@hidden> wrote:
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> Acked-by: Alistair Francis <address@hidden>
> ---
> hw/sd/sd.c | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index 933890e86f..4a9520e38e 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -866,13 +866,18 @@ static void sd_lock_command(SDState *sd)
> sd->card_status &= ~CARD_IS_LOCKED;
> }
>
> -static sd_rsp_type_t sd_normal_command(SDState *sd,
> - SDRequest req)
> +static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
> {
> uint32_t rca = 0x0000;
> uint64_t addr = (sd->ocr & (1 << 30)) ? (uint64_t) req.arg << 9 :
> req.arg;
>
> - trace_sdcard_normal_command(req.cmd, req.arg, sd_state_name(sd->state));
> + /* CMD55 precedes an ACMD, so we are not interested in tracing it.
> + * However there is no ACMD55, so we want to trace this particular case.
> + */
> + if (req.cmd != 55 || sd->expecting_acmd) {
> + trace_sdcard_normal_command(req.cmd, req.arg,
> + sd_state_name(sd->state));
> + }
>
> /* Not interpreting this as an app command */
> sd->card_status &= ~APP_CMD;
> --
> 2.16.2
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM
- [Qemu-devel] [PATCH 0/8] SDCard: improve tracing, support UHS-I, Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 1/8] sdcard: Do not trace CMD55, except when we already expect an ACMD, Philippe Mathieu-Daudé, 2018/03/09
- Re: [Qemu-devel] [PATCH 1/8] sdcard: Do not trace CMD55, except when we already expect an ACMD,
Peter Maydell <=
- [Qemu-devel] [PATCH 2/8] sdcard: Display command name when tracing CMD/ACMD, Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 4/8] sdcard: Add the Tuning Command (CMD19), Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 6/8] sdcard: Add a 'uhs' property, update the OCR register ACCEPT_SWITCH_1V8 bit, Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 7/8] sdhci: Fix a typo in comment, Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 3/8] sdcard: Display which protocol is used when tracing (SD or SPI), Philippe Mathieu-Daudé, 2018/03/09
- [Qemu-devel] [PATCH 5/8] sdcard: Implement the UHS-I SWITCH_FUNCTION entries (Spec v3), Philippe Mathieu-Daudé, 2018/03/09