diff options
| author | Jaehoon Chung <jh80.chung@samsung.com> | 2015-04-16 15:54:32 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:44:36 +0900 |
| commit | 5ab40d1263410ef516e2e1dacc041d4fc2cfccfb (patch) | |
| tree | e14706b81a9dd3ed593056e50a3036b564856831 | |
| parent | 52b9b223b8214f99a760295010676189c734eec3 (diff) | |
local/pci: pci-exynos5433: add callback function to check whether wifi is enabled or not
This patch is workaround code for exynos5433 wifi.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
| -rw-r--r-- | drivers/pci/host/pci-exynos5433.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-exynos5433.c b/drivers/pci/host/pci-exynos5433.c index 243776080d6f..d6510165c7d8 100644 --- a/drivers/pci/host/pci-exynos5433.c +++ b/drivers/pci/host/pci-exynos5433.c @@ -53,6 +53,8 @@ struct exynos_pcie { struct clk *bus_clk; struct pcie_port pp; struct regmap *pmureg; + /* workaround */ + int power_on; }; /* PCIe ELBI registers */ @@ -432,6 +434,11 @@ static int exynos_pcie_wr_own_conf(struct pcie_port *pp, int where, int size, return ret; } +static int exynos_pcie_power_enabled(struct pcie_port *pp) +{ + return g_pcie->power_on; +} + static struct pcie_host_ops exynos_pcie_host_ops = { .readl_rc = exynos_pcie_readl_rc, .writel_rc = exynos_pcie_writel_rc, @@ -439,6 +446,7 @@ static struct pcie_host_ops exynos_pcie_host_ops = { .wr_own_conf = exynos_pcie_wr_own_conf, .host_init = exynos_pcie_host_init, .link_up = exynos_pcie_link_up, + .power_enabled = exynos_pcie_power_enabled, }; static int __init exynos_pcie_probe(struct platform_device *pdev) @@ -510,6 +518,7 @@ static int __init exynos_pcie_probe(struct platform_device *pdev) /* Workaround code to use broadcom device driver */ g_pcie = exynos_pcie; + g_pcie->power_on = 1; pp->irq = platform_get_irq(pdev, 0); if (!pp->irq) { @@ -569,6 +578,7 @@ void exynos_pcie_poweron(void) val = exynos_pcie_readl(g_pcie->elbi_base, PCIE_IRQ_SPECIAL); exynos_pcie_writel(g_pcie->elbi_base, val, PCIE_IRQ_SPECIAL); + g_pcie->power_on = 1; } } @@ -598,6 +608,7 @@ void exynos_pcie_poweroff(void) clk_disable_unprepare(g_pcie->bus_clk); clk_disable_unprepare(g_pcie->clk); + g_pcie->power_on = 0; } } |