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Re: [Qemu-devel] [PATCH v3 13/18] sdcard: simplify SEND_IF_COND (CMD8)
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH v3 13/18] sdcard: simplify SEND_IF_COND (CMD8) |
Date: |
Wed, 31 Jan 2018 16:33:08 -0800 |
On Mon, Jan 22, 2018 at 7:30 PM, Philippe Mathieu-Daudé <address@hidden> wrote:
> replace switch(single case) -> if()
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
Alistair
> ---
> hw/sd/sd.c | 26 +++++++++++---------------
> 1 file changed, 11 insertions(+), 15 deletions(-)
>
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index b5c947df62..707c294169 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1015,23 +1015,19 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
> SDRequest req)
>
> case 8: /* CMD8: SEND_IF_COND */
> /* Physical Layer Specification Version 2.00 command */
> - switch (sd->state) {
> - case sd_idle_state:
> - sd->vhs = 0;
> -
> - /* No response if not exactly one VHS bit is set. */
> - if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) +
> 1))) {
> - return sd->spi ? sd_r7 : sd_r0;
> - }
> -
> - /* Accept. */
> - sd->vhs = req.arg;
> - return sd_r7;
> -
> - default:
> + if (sd->state != sd_idle_state) {
> break;
> }
> - break;
> + sd->vhs = 0;
> +
> + /* No response if not exactly one VHS bit is set. */
> + if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) {
> + return sd->spi ? sd_r7 : sd_r0;
> + }
> +
> + /* Accept. */
> + sd->vhs = req.arg;
> + return sd_r7;
>
> case 9: /* CMD9: SEND_CSD */
> switch (sd->state) {
> --
> 2.15.1
>
>
- [Qemu-devel] [PATCH v3 08/18] sdcard: use the registerfields API for the CARD_STATUS register masks, (continued)
- [Qemu-devel] [PATCH v3 08/18] sdcard: use the registerfields API for the CARD_STATUS register masks, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 09/18] sdcard: handles more commands in SPI mode, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 10/18] sdcard: handle CMD54 (SDIO), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 11/18] sdcard: check the card is in correct state for APP CMD (CMD55), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 12/18] sdcard: warn if host uses an incorrect address for APP CMD (CMD55), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 13/18] sdcard: simplify SEND_IF_COND (CMD8), Philippe Mathieu-Daudé, 2018/01/22
- Re: [Qemu-devel] [PATCH v3 13/18] sdcard: simplify SEND_IF_COND (CMD8),
Alistair Francis <=
- [Qemu-devel] [PATCH v3 14/18] sdcard: simplify SD_SEND_OP_COND (ACMD41), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 15/18] sdcard: add SD SEND_TUNING_BLOCK (CMD19), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 16/18] sdcard: add a 'uhs' property, update the OCR register ACCEPT_SWITCH_1V8 bit, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 17/18] sdcard: implement the UHS-I SWITCH_FUNCTION entries (Spec v3), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 18/18] sdcard: add an enum for the SD PHY Spec version, Philippe Mathieu-Daudé, 2018/01/22