diff options
| author | Olof Johansson <olof@lixom.net> | 2013-02-04 22:56:41 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-02-04 22:56:41 -0800 |
| commit | 469da62096e23adc755c1268b00b5fc7a214151b (patch) | |
| tree | fefd055fdae584e38d551f44d1339eb22cee4ed9 /drivers/mfd/vexpress-sysreg.c | |
| parent | 4227961650884a06757f80877d5dce0bddc723d4 (diff) | |
| parent | 88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff) | |
| download | olio-linux-3.10-469da62096e23adc755c1268b00b5fc7a214151b.tar.xz olio-linux-3.10-469da62096e23adc755c1268b00b5fc7a214151b.zip | |
Merge tag 'v3.8-rc6' into next/soc
Linux 3.8-rc6
Diffstat (limited to 'drivers/mfd/vexpress-sysreg.c')
| -rw-r--r-- | drivers/mfd/vexpress-sysreg.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c index e5d8f63b252..77048b18439 100644 --- a/drivers/mfd/vexpress-sysreg.c +++ b/drivers/mfd/vexpress-sysreg.c @@ -313,19 +313,11 @@ static void vexpress_sysreg_config_complete(unsigned long data) } -void __init vexpress_sysreg_early_init(void __iomem *base) +void __init vexpress_sysreg_setup(struct device_node *node) { - struct device_node *node = of_find_compatible_node(NULL, NULL, - "arm,vexpress-sysreg"); - - if (node) - base = of_iomap(node, 0); - - if (WARN_ON(!base)) + if (WARN_ON(!vexpress_sysreg_base)) return; - vexpress_sysreg_base = base; - if (readl(vexpress_sysreg_base + SYS_MISC) & SYS_MISC_MASTERSITE) vexpress_master_site = VEXPRESS_SITE_DB2; else @@ -336,9 +328,23 @@ void __init vexpress_sysreg_early_init(void __iomem *base) WARN_ON(!vexpress_sysreg_config_bridge); } +void __init vexpress_sysreg_early_init(void __iomem *base) +{ + vexpress_sysreg_base = base; + vexpress_sysreg_setup(NULL); +} + void __init vexpress_sysreg_of_early_init(void) { - vexpress_sysreg_early_init(NULL); + struct device_node *node = of_find_compatible_node(NULL, NULL, + "arm,vexpress-sysreg"); + + if (node) { + vexpress_sysreg_base = of_iomap(node, 0); + vexpress_sysreg_setup(node); + } else { + pr_info("vexpress-sysreg: No Device Tree node found."); + } } @@ -426,9 +432,11 @@ static int vexpress_sysreg_probe(struct platform_device *pdev) return -EBUSY; } - if (!vexpress_sysreg_base) + if (!vexpress_sysreg_base) { vexpress_sysreg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + vexpress_sysreg_setup(pdev->dev.of_node); + } if (!vexpress_sysreg_base) { dev_err(&pdev->dev, "Failed to obtain base address!\n"); |