Re: [PATCH 2/3] scsi: ufs: spacemit: k3: Add UFS Host Controller driver
Yixun Lan <[email protected]> Sat, 25 Jul 2026 09:18:24 +0000
| Newsgroups | dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-scsi |
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| Message-ID | <[email protected]> |
Hi Anirudh, On 15:16 Sun 12 Jul , Anirudh Srinivasan wrote: > On Thu, Jul 02, 2026 at 02:31:36AM +0000, Yixun Lan wrote: > > SpacemiT K3 SoC consist of UFS (Universal Flash Storage) Host Controller > > which has features compatible with JEDEC UFS 2.2, MIPI UniPro v1.61 and > > M-PHY v3.0 standard. > > > > Signed-off-by: Yixun Lan <[email protected]> > > --- > > drivers/ufs/host/Kconfig | 12 + > > drivers/ufs/host/Makefile | 1 + > > drivers/ufs/host/ufs-spacemit.c | 931 ++++++++++++++++++++++++++++++++++++++++ > > drivers/ufs/host/ufs-spacemit.h | 90 ++++ > > 4 files changed, 1034 insertions(+) > > > > diff --git a/drivers/ufs/host/Kconfig b/drivers/ufs/host/Kconfig > > index ff170c0b6da0..4f53b7f7688f 100644 > > --- a/drivers/ufs/host/Kconfig > > +++ b/drivers/ufs/host/Kconfig > > @@ -132,6 +132,18 @@ config SCSI_UFS_VARIABLE_SG_ENTRY_SIZE > > bool > > default y if SCSI_UFS_EXYNOS && SCSI_UFS_CRYPTO > > > > +config SCSI_UFS_SPACEMIT > > + tristate "SpacemiT UFS controller driver" > > + depends on SCSI_UFSHCD_PLATFORM && ARCH_SPACEMIT > > Can you add SCSI_UFSHCD_PLATFORM and SCSI_UFS_SPACEMIT as modules to > riscv defconfig (or just add the former and add a default y if > ARCH_SPACEMIT in this Kconfig entry). This will let defconfig kernels > to boot with persistant rootfs on these devices. > Ok, will consider adding one entry to riscv defconfig, but this should be handled in another separate patch, for making it as module or built-in driver, I'm incline to choose latter one, but would be glad to hear different opinion -- Yixun Lan (dlan)