Merge tag 'u-boot-nvme-fixes-20260521' of https://source.denx.de/u-boot/custodians/u-boot-ufs

- Add myself as Maintainer of NVMe
- fix command ID wraparound handling
- apple: Check memalign return value
- Staticize and constify driver ops
- Fix PRP list pointer arithmetic for chained transfers

4 files changed, 10 insertions, 3 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index ea646f618a5..2613929cdf5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1506,6 +1506,7 @@ T:	git https://source.denx.de/u-boot/custodians/u-boot-nios.git
 F:	arch/nios2/
 
 NVMe
+M:	Neil Armstrong <[email protected]>
 M:	Bin Meng <[email protected]>
 S:	Maintained
 F:	drivers/nvme/
diff --git a/drivers/nvme/nvme-uclass.c b/drivers/nvme/nvme-uclass.c
index 44c88ad27f3..4ab9567450f 100644
--- a/drivers/nvme/nvme-uclass.c
+++ b/drivers/nvme/nvme-uclass.c
@@ -44,7 +44,7 @@ UCLASS_DRIVER(nvme) = {
 	.id	= UCLASS_NVME,
 };
 
-struct bootdev_ops nvme_bootdev_ops = {
+static const struct bootdev_ops nvme_bootdev_ops = {
 };
 
 static const struct udevice_id nvme_bootdev_ids[] = {
diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c
index 2b14437f69c..0631b190b97 100644
--- a/drivers/nvme/nvme.c
+++ b/drivers/nvme/nvme.c
@@ -94,7 +94,7 @@ static int nvme_setup_prps(struct nvme_dev *dev, u64 *prp2,
 			*(prp_pool + i) = cpu_to_le64((ulong)prp_pool +
 					page_size);
 			i = 0;
-			prp_pool += page_size;
+			prp_pool = (u64 *)((uintptr_t)prp_pool + page_size);
 		}
 		*(prp_pool + i++) = cpu_to_le64(dma_addr);
 		dma_addr += page_size;
@@ -112,7 +112,10 @@ static __le16 nvme_get_cmd_id(void)
 {
 	static unsigned short cmdid;
 
-	return cpu_to_le16((cmdid < USHRT_MAX) ? cmdid++ : 0);
+	if (cmdid >= USHRT_MAX)
+		cmdid = 0;
+
+	return cpu_to_le16(cmdid++);
 }
 
 static u16 nvme_read_completion_status(struct nvme_queue *nvmeq, u16 index)
diff --git a/drivers/nvme/nvme_apple.c b/drivers/nvme/nvme_apple.c
index 3e7d95c2b54..e674eda8344 100644
--- a/drivers/nvme/nvme_apple.c
+++ b/drivers/nvme/nvme_apple.c
@@ -88,6 +88,9 @@ static int apple_nvme_setup_queue(struct nvme_queue *nvmeq)
 	}
 
 	priv->tcbs[nvmeq->qid] = (void *)memalign(4096, ANS_NVMMU_TCB_SIZE);
+	if (!priv->tcbs[nvmeq->qid])
+		return -ENOMEM;
+
 	memset((void *)priv->tcbs[nvmeq->qid], 0, ANS_NVMMU_TCB_SIZE);
 
 	switch (nvmeq->qid) {