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sandbox: mmc: Fix up MMC emulator for valgrind

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At present running sandbox with valgrind produces some warnings due to the
MMC emulator not filling in all the expected fields. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: use sizeof() instead of hardcoded 16]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-09-25 08:56:00 -06:00 committed by Bin Meng
parent a605b0f767
commit 5abd58f0de
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/sandbox_mmc.c
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@ -27,6 +27,7 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
{
switch (cmd->cmdidx) {
case MMC_CMD_ALL_SEND_CID:
memset(cmd->response, '\0', sizeof(cmd->response));
break;
case SD_CMD_SEND_RELATIVE_ADDR:
cmd->response[0] = 0 << 16; /* mmc->rca */
@ -43,11 +44,14 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
case MMC_CMD_SEND_CSD:
cmd->response[0] = 0;
cmd->response[1] = 10 << 16; /* 1 << block_len */
cmd->response[2] = 0;
cmd->response[3] = 0;
break;
case SD_CMD_SWITCH_FUNC: {
if (!data)
break;
u32 *resp = (u32 *)data->dest;
resp[3] = 0;
resp[7] = cpu_to_be32(SD_HIGHSPEED_BUSY);
if ((cmd->cmdarg & 0xF) == UHS_SDR12_BUS_SPEED)
resp[4] = (cmd->cmdarg & 0xF) << 24;