diff options
| author | Stephen Hurd <shurd@FreeBSD.org> | 2025-03-17 07:16:53 +0000 |
|---|---|---|
| committer | Stephen Hurd <shurd@FreeBSD.org> | 2025-03-18 17:01:21 +0000 |
| commit | 0f684b5aec50b4766dc2a8f010fd7b9568af5063 (patch) | |
| tree | cd0462a6c2dd7693f7c46d6ede819b3a58665b39 | |
| parent | 0832a409c21b45b2a31b90c50a005d9a4b1a5efd (diff) | |
Disable HS200 on rockchip_dwmmc in attach
HS200 mode requires tuning, and there is no code to perform this
tuning at present. Until there is, leave HS200 mode disabled.
Reviewed by: manu
Differential Revision: https://reviews.freebsd.org/D49400
| -rw-r--r-- | sys/dev/mmc/host/dwmmc_rockchip.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/dev/mmc/host/dwmmc_rockchip.c b/sys/dev/mmc/host/dwmmc_rockchip.c index c4b07ac3290e..656e9a9cf09d 100644 --- a/sys/dev/mmc/host/dwmmc_rockchip.c +++ b/sys/dev/mmc/host/dwmmc_rockchip.c @@ -78,6 +78,7 @@ rockchip_dwmmc_attach(device_t dev) { struct dwmmc_softc *sc; int type; + int rc; sc = device_get_softc(dev); sc->hwtype = HWTYPE_ROCKCHIP; @@ -90,8 +91,17 @@ rockchip_dwmmc_attach(device_t dev) } sc->update_ios = &dwmmc_rockchip_update_ios; + rc = dwmmc_attach(dev); - return (dwmmc_attach(dev)); + /* + * Note: It's not that the controller doesn't support HS200, + * it's that FreeBSD doesn't support tuning. + * If someone implemented tuning, this could work. + */ + device_printf(dev, "Disabling HS200+ (tuning code not written)\n"); + sc->host.caps &= ~(MMC_CAP_MMC_HS200 | MMC_CAP_MMC_HS400); + + return (rc); } static int |