linux-kernel - [PATCH v2 07/10] iommu/sun50i: use page allocation function provided by iommu-pages.h

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Message-ID: <20231130201504.2322355-8-pasha.tatashin@soleen.com>
Date:   Thu, 30 Nov 2023 20:15:01 +0000
From:   Pasha Tatashin <pasha.tatashin@...een.com>
To:     akpm@...ux-foundation.org, alim.akhtar@...sung.com,
        alyssa@...enzweig.io, asahi@...ts.linux.dev,
        baolu.lu@...ux.intel.com, bhelgaas@...gle.com,
        cgroups@...r.kernel.org, corbet@....net, david@...hat.com,
        dwmw2@...radead.org, hannes@...xchg.org, heiko@...ech.de,
        iommu@...ts.linux.dev, jernej.skrabec@...il.com,
        jonathanh@...dia.com, joro@...tes.org,
        krzysztof.kozlowski@...aro.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-rockchip@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-sunxi@...ts.linux.dev,
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Subject: [PATCH v2 07/10] iommu/sun50i: use page allocation function provided by iommu-pages.h

Convert iommu/sun50i-iommu.c to use the new page allocation functions
provided in iommu-pages.h.

Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>
---
 drivers/iommu/sun50i-iommu.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 41484a5a399b..172ddb717eb5 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -26,6 +26,8 @@
 #include <linux/spinlock.h>
 #include <linux/types.h>
 
+#include "iommu-pages.h"
+
 #define IOMMU_RESET_REG			0x010
 #define IOMMU_RESET_RELEASE_ALL			0xffffffff
 #define IOMMU_ENABLE_REG		0x020
@@ -679,8 +681,7 @@ sun50i_iommu_domain_alloc_paging(struct device *dev)
 	if (!sun50i_domain)
 		return NULL;
 
-	sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
-						    get_order(DT_SIZE));
+	sun50i_domain->dt = iommu_alloc_pages(GFP_KERNEL, get_order(DT_SIZE));
 	if (!sun50i_domain->dt)
 		goto err_free_domain;
 
@@ -702,7 +703,7 @@ static void sun50i_iommu_domain_free(struct iommu_domain *domain)
 {
 	struct sun50i_iommu_domain *sun50i_domain = to_sun50i_domain(domain);
 
-	free_pages((unsigned long)sun50i_domain->dt, get_order(DT_SIZE));
+	iommu_free_pages(sun50i_domain->dt, get_order(DT_SIZE));
 	sun50i_domain->dt = NULL;
 
 	kfree(sun50i_domain);
-- 
2.43.0.rc2.451.g8631bc7472-goog