From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: Bin Meng <bmeng.cn@gmail.com>, Zheyu Ma <zheyuma97@gmail.com>,
qemu-block@nongnu.org
Subject: Re: [PATCH-for-9.1 1/5] hw/sd/sdcard: Explicit dummy byte value
Date: Wed, 31 Jul 2024 14:29:38 +1000 [thread overview]
Message-ID: <b1e5571d-1b61-4ef0-af52-10bcdd2487a1@linaro.org> (raw)
In-Reply-To: <20240730092138.32443-2-philmd@linaro.org>
On 7/30/24 19:21, Philippe Mathieu-Daudé wrote:
> On error the DAT lines are left unmodified to their
> previous states. QEMU returns 0x00 for convenience.
>
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> ---
> hw/sd/sd.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index 07cb97d88c..c02f04f1ea 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -2478,20 +2478,22 @@ void sd_write_byte(SDState *sd, uint8_t value)
> uint8_t sd_read_byte(SDState *sd)
> {
> /* TODO: Append CRCs */
> + static const uint8_t dummy_byte = 0x00;
A zero doesn't need to be static.
Otherwise,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2024-07-31 4:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-30 9:21 [PATCH-for-9.1 0/5] hw/sd: SDcard & SDHCI fixes Philippe Mathieu-Daudé
2024-07-30 9:21 ` [PATCH-for-9.1 1/5] hw/sd/sdcard: Explicit dummy byte value Philippe Mathieu-Daudé
2024-07-31 4:29 ` Richard Henderson [this message]
2024-07-30 9:21 ` [PATCH-for-9.1 2/5] hw/sd/sdcard: Do not abort when reading DAT lines on invalid cmd state Philippe Mathieu-Daudé
2024-07-31 4:30 ` Richard Henderson
2024-07-30 9:21 ` [PATCH-for-9.1 3/5] hw/sd/sdhci: Reset @data_count index on invalid ADMA transfers Philippe Mathieu-Daudé
2024-07-31 4:31 ` Richard Henderson
2024-07-30 9:21 ` [PATCH-for-9.1 4/5] hw/sd/sdhci: Trace ADMA descriptors Philippe Mathieu-Daudé
2024-07-31 4:32 ` Richard Henderson
2024-07-30 9:21 ` [PATCH-for-9.1 5/5] hw/sd/sdhci: Check ADMA descriptors can be accessed Philippe Mathieu-Daudé
2024-07-31 16:49 ` Philippe Mathieu-Daudé
2024-08-06 7:30 ` [PATCH-for-9.1 0/5] hw/sd: SDcard & SDHCI fixes Philippe Mathieu-Daudé
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