diff options
| author |   yankejian <yankejian@huawei.com> | 2015-10-21 17:57:44 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-10-22 07:19:36 -0700 |
| commit | c7fc9eb79a89049214f9870a6cf978050aaea43a (patch) | |
| tree | 66f36e813452adcbf10375b9578fa9f8b34f3b16 /drivers/net/ethernet/hisilicon/hns_mdio.c | |
| parent | Merge branch 'cxgb4-trivial-fixes' (diff) | |
| download | linux-dev-c7fc9eb79a89049214f9870a6cf978050aaea43a.tar.xz linux-dev-c7fc9eb79a89049214f9870a6cf978050aaea43a.zip | |
net: hisilicon: deals with the sub ctrl by syscon
the global Soc configuration is treated by syscon, and sub ctrl bus is
Soc bus. it has to be treated by syscon.
Signed-off-by: yankejian <yankejian@huawei.com>
Signed-off-by: lisheng <lisheng011@huawei.com>
Signed-off-by: lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns_mdio.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns_mdio.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index e4ec52ae61ff..37491c85bc42 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -11,6 +11,7 @@ #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/netdevice.h> @@ -20,6 +21,7 @@ #include <linux/of_platform.h> #include <linux/phy.h> #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/spinlock_types.h> #define MDIO_DRV_NAME "Hi-HNS_MDIO" @@ -36,7 +38,7 @@ struct hns_mdio_device { void *vbase; /* mdio reg base address */ - void *sys_vbase; + struct regmap *subctrl_vbase; }; /* mdio reg */ @@ -155,10 +157,10 @@ static int mdio_sc_cfg_reg_write(struct hns_mdio_device *mdio_dev, u32 time_cnt; u32 reg_value; - mdio_write_reg((void *)mdio_dev->sys_vbase, cfg_reg, set_val); + regmap_write(mdio_dev->subctrl_vbase, cfg_reg, set_val); for (time_cnt = MDIO_TIMEOUT; time_cnt; time_cnt--) { - reg_value = mdio_read_reg((void *)mdio_dev->sys_vbase, st_reg); + regmap_read(mdio_dev->subctrl_vbase, st_reg, ®_value); reg_value &= st_msk; if ((!!check_st) == (!!reg_value)) break; @@ -352,7 +354,7 @@ static int hns_mdio_reset(struct mii_bus *bus) struct hns_mdio_device *mdio_dev = (struct hns_mdio_device *)bus->priv; int ret; - if (!mdio_dev->sys_vbase) { + if (!mdio_dev->subctrl_vbase) { dev_err(&bus->dev, "mdio sys ctl reg has not maped\n"); return -ENODEV; } @@ -455,13 +457,12 @@ static int hns_mdio_probe(struct platform_device *pdev) return ret; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - mdio_dev->sys_vbase = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mdio_dev->sys_vbase)) { - ret = PTR_ERR(mdio_dev->sys_vbase); - return ret; + mdio_dev->subctrl_vbase = + syscon_node_to_regmap(of_parse_phandle(np, "subctrl_vbase", 0)); + if (IS_ERR(mdio_dev->subctrl_vbase)) { + dev_warn(&pdev->dev, "no syscon hisilicon,peri-c-subctrl\n"); + mdio_dev->subctrl_vbase = NULL; } - new_bus->irq = devm_kcalloc(&pdev->dev, PHY_MAX_ADDR, sizeof(int), GFP_KERNEL); if (!new_bus->irq) |