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Message-Id: <20240812072527.9660-1-baolu.lu@linux.intel.com>
Date: Mon, 12 Aug 2024 15:25:27 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
Joerg Roedel <joro@...tes.org>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Jason Gunthorpe <jgg@...pe.ca>,
Kevin Tian <kevin.tian@...el.com>
Cc: linuxppc-dev@...ts.ozlabs.org,
linux-arm-kernel@...ts.infradead.org,
iommu@...ts.linux.dev,
linux-kernel@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>,
Jason Gunthorpe <jgg@...dia.com>
Subject: [PATCH 1/1] soc/fsl/qbman: Use iommu_paging_domain_alloc()
An iommu domain is allocated in portal_set_cpu() and is attached to
pcfg->dev in the same function.
Use iommu_paging_domain_alloc() to make it explicit.
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20240610085555.88197-14-baolu.lu@linux.intel.com
---
drivers/soc/fsl/qbman/qman_portal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index e23b60618c1a..456ef5d5c199 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -48,9 +48,10 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu)
struct device *dev = pcfg->dev;
int ret;
- pcfg->iommu_domain = iommu_domain_alloc(&platform_bus_type);
- if (!pcfg->iommu_domain) {
+ pcfg->iommu_domain = iommu_paging_domain_alloc(dev);
+ if (IS_ERR(pcfg->iommu_domain)) {
dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__);
+ pcfg->iommu_domain = NULL;
goto no_iommu;
}
ret = fsl_pamu_configure_l1_stash(pcfg->iommu_domain, cpu);
--
2.34.1
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