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hw/arm/aspeed: Do not create and attach empty SD cards by default 

Since added in commit 2bea128c3d, each SDHCI is wired with a SD
card, using empty card when no block drive provided. This is not
the desired behavior. The SDHCI exposes a SD bus to plug cards
on, if no card available, it is fine to have an unplugged bus.

Avoid creating unnecessary SD card device when no block drive
provided.

Fixes: 2bea128c3d ("hw/sd/aspeed_sdhci: New device")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200705173402.15620-1-f4bug@amsat.org
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-07-13 14:36:12 +01:00 committed by Peter Maydell
parent ad938fc1d5
commit 756f739b16
1 changed files with 5 additions and 4 deletions
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9
hw/arm/aspeed.c
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@ -246,11 +246,12 @@ static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo)
{
DeviceState *card;
card = qdev_new(TYPE_SD_CARD);
if (dinfo) {
qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
&error_fatal);
if (!dinfo) {
return;
}
card = qdev_new(TYPE_SD_CARD);
qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
&error_fatal);
qdev_realize_and_unref(card,
qdev_get_child_bus(DEVICE(sdhci), "sd-bus"),
&error_fatal);