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{
    "id": 807294,
    "url": "http://patchwork.ozlabs.org/api/patches/807294/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1504038918-49254-2-git-send-email-f.fainelli@gmail.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1504038918-49254-2-git-send-email-f.fainelli@gmail.com>",
    "list_archive_url": null,
    "date": "2017-08-29T20:35:15",
    "name": "[net-next,v2,1/4] net: systemport: Use correct I/O accessors",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "85571debdb86d0c256fde64591065b7edd7ec89a",
    "submitter": {
        "id": 2800,
        "url": "http://patchwork.ozlabs.org/api/people/2800/?format=api",
        "name": "Florian Fainelli",
        "email": "f.fainelli@gmail.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1504038918-49254-2-git-send-email-f.fainelli@gmail.com/mbox/",
    "series": [
        {
            "id": 470,
            "url": "http://patchwork.ozlabs.org/api/series/470/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=470",
            "date": "2017-08-29T20:35:14",
            "name": "Endian fixes for SYSTEMPORT/SF2/MDIO",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/470/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/807294/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/807294/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "X-Received": "by 10.233.235.69 with SMTP id b66mr7877220qkg.200.1504039275184; \n\tTue, 29 Aug 2017 13:41:15 -0700 (PDT)",
        "From": "Florian Fainelli <f.fainelli@gmail.com>",
        "To": "netdev@vger.kernel.org",
        "Cc": "davem@davemloft.net, opendmb@gmail.com, andrew@lunn.ch,\n\tvivien.didelot@savoirfairelinux.com,\n\tFlorian Fainelli <f.fainelli@gmail.com>",
        "Subject": "[PATCH net-next v2 1/4] net: systemport: Use correct I/O accessors",
        "Date": "Tue, 29 Aug 2017 13:35:15 -0700",
        "Message-Id": "<1504038918-49254-2-git-send-email-f.fainelli@gmail.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<1504038918-49254-1-git-send-email-f.fainelli@gmail.com>",
        "References": "<1504038918-49254-1-git-send-email-f.fainelli@gmail.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "The SYSTEMPORT driver currently uses __raw_{read,write}l which means\nnative I/O endian. This works correctly for an ARM LE kernel (default)\nbut fails miserably on an ARM BE (BE8) kernel where registers are kept\nlittle endian, so replace uses with {read,write}l_relaxed here which is\nwhat we want because this is all performance sensitive code.\n\nSigned-off-by: Florian Fainelli <f.fainelli@gmail.com>\n---\n drivers/net/ethernet/broadcom/bcmsysport.c | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c\nindex b3a21418f511..a7e84292af50 100644\n--- a/drivers/net/ethernet/broadcom/bcmsysport.c\n+++ b/drivers/net/ethernet/broadcom/bcmsysport.c\n@@ -32,13 +32,13 @@\n #define BCM_SYSPORT_IO_MACRO(name, offset) \\\n static inline u32 name##_readl(struct bcm_sysport_priv *priv, u32 off)\t\\\n {\t\t\t\t\t\t\t\t\t\\\n-\tu32 reg = __raw_readl(priv->base + offset + off);\t\t\\\n+\tu32 reg = readl_relaxed(priv->base + offset + off);\t\t\\\n \treturn reg;\t\t\t\t\t\t\t\\\n }\t\t\t\t\t\t\t\t\t\\\n static inline void name##_writel(struct bcm_sysport_priv *priv,\t\t\\\n \t\t\t\t  u32 val, u32 off)\t\t\t\\\n {\t\t\t\t\t\t\t\t\t\\\n-\t__raw_writel(val, priv->base + offset + off);\t\t\t\\\n+\twritel_relaxed(val, priv->base + offset + off);\t\t\t\\\n }\t\t\t\t\t\t\t\t\t\\\n \n BCM_SYSPORT_IO_MACRO(intrl2_0, SYS_PORT_INTRL2_0_OFFSET);\n@@ -59,14 +59,14 @@ static inline u32 rdma_readl(struct bcm_sysport_priv *priv, u32 off)\n {\n \tif (priv->is_lite && off >= RDMA_STATUS)\n \t\toff += 4;\n-\treturn __raw_readl(priv->base + SYS_PORT_RDMA_OFFSET + off);\n+\treturn readl_relaxed(priv->base + SYS_PORT_RDMA_OFFSET + off);\n }\n \n static inline void rdma_writel(struct bcm_sysport_priv *priv, u32 val, u32 off)\n {\n \tif (priv->is_lite && off >= RDMA_STATUS)\n \t\toff += 4;\n-\t__raw_writel(val, priv->base + SYS_PORT_RDMA_OFFSET + off);\n+\twritel_relaxed(val, priv->base + SYS_PORT_RDMA_OFFSET + off);\n }\n \n static inline u32 tdma_control_bit(struct bcm_sysport_priv *priv, u32 bit)\n@@ -110,10 +110,10 @@ static inline void dma_desc_set_addr(struct bcm_sysport_priv *priv,\n \t\t\t\t     dma_addr_t addr)\n {\n #ifdef CONFIG_PHYS_ADDR_T_64BIT\n-\t__raw_writel(upper_32_bits(addr) & DESC_ADDR_HI_MASK,\n+\twritel_relaxed(upper_32_bits(addr) & DESC_ADDR_HI_MASK,\n \t\t     d + DESC_ADDR_HI_STATUS_LEN);\n #endif\n-\t__raw_writel(lower_32_bits(addr), d + DESC_ADDR_LO);\n+\twritel_relaxed(lower_32_bits(addr), d + DESC_ADDR_LO);\n }\n \n static inline void tdma_port_write_desc_addr(struct bcm_sysport_priv *priv,\n",
    "prefixes": [
        "net-next",
        "v2",
        "1/4"
    ]
}