[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 06/13] hw/arm/mcimx6ul-evk: Replace drive_get_next() by drive_get(
From: |
Markus Armbruster |
Subject: |
[PULL 06/13] hw/arm/mcimx6ul-evk: Replace drive_get_next() by drive_get() |
Date: |
Wed, 15 Dec 2021 15:02:15 +0100 |
drive_get_next() is basically a bad idea. It returns the "next" block
backend of a certain interface type. "Next" means bus=0,unit=N, where
subsequent calls count N up from zero, per interface type.
This lets you define unit numbers implicitly by execution order. If the
order changes, or new calls appear "in the middle", unit numbers change.
ABI break. Hard to spot in review.
Machine "mcimx6ul-evk" connects backends with drive_get_next() in a
counting loop. Change it to use drive_get() directly. This makes the
unit numbers explicit in the code.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jean-Christophe Dubois <jcd@tribudubois.net>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211117163409.3587705-7-armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/mcimx6ul-evk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/arm/mcimx6ul-evk.c b/hw/arm/mcimx6ul-evk.c
index 77fae874b1..28b4886f48 100644
--- a/hw/arm/mcimx6ul-evk.c
+++ b/hw/arm/mcimx6ul-evk.c
@@ -52,7 +52,7 @@ static void mcimx6ul_evk_init(MachineState *machine)
DriveInfo *di;
BlockBackend *blk;
- di = drive_get_next(IF_SD);
+ di = drive_get(IF_SD, 0, i);
blk = di ? blk_by_legacy_dinfo(di) : NULL;
bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus");
carddev = qdev_new(TYPE_SD_CARD);
--
2.31.1
- [PULL 00/13] Block device patches patches for 2021-12-15, Markus Armbruster, 2021/12/15
- [PULL 11/13] hw/arm/xilinx_zynq: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 13/13] blockdev: Drop unused drive_get_next(), Markus Armbruster, 2021/12/15
- [PULL 09/13] hw/microblaze: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 01/13] hw/sd/ssi-sd: Do not create SD card within controller's realize, Markus Armbruster, 2021/12/15
- [PULL 04/13] hw/arm/versatilepb hw/arm/vexpress: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 05/13] hw/arm/imx25_pdk: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 06/13] hw/arm/mcimx6ul-evk: Replace drive_get_next() by drive_get(),
Markus Armbruster <=
- [PULL 08/13] hw/arm/xlnx-versal-virt: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 02/13] hw: Replace trivial drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 03/13] hw/arm/npcm7xx_boards: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 12/13] hw/arm/aspeed: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 07/13] hw/arm/mcimx7d-sabre: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- [PULL 10/13] hw/arm/xlnx-zcu102: Replace drive_get_next() by drive_get(), Markus Armbruster, 2021/12/15
- Re: [PULL 00/13] Block device patches patches for 2021-12-15, Richard Henderson, 2021/12/15