diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
| commit | e75d660672ddd11704b7f0fdb8ff21968587b266 (patch) | |
| tree | ccb9c107744c10b553c0373e450bee3971d16c00 /drivers/usb/host/ehci-s5p.c | |
| parent | 61282f37927143e45b03153f3e7b48d6b702147a (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/usb/host/ehci-s5p.c')
| -rw-r--r-- | drivers/usb/host/ehci-s5p.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 293f7412992e..f098e2a291a0 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -17,6 +17,15 @@ #include <plat/ehci.h> #include <plat/usb-phy.h> +#define EHCI_INSNREG00(base) (base + 0x90) +#define EHCI_INSNREG00_ENA_INCR16 (0x1 << 25) +#define EHCI_INSNREG00_ENA_INCR8 (0x1 << 24) +#define EHCI_INSNREG00_ENA_INCR4 (0x1 << 23) +#define EHCI_INSNREG00_ENA_INCRX_ALIGN (0x1 << 22) +#define EHCI_INSNREG00_ENABLE_DMA_BURST \ + (EHCI_INSNREG00_ENA_INCR16 | EHCI_INSNREG00_ENA_INCR8 | \ + EHCI_INSNREG00_ENA_INCR4 | EHCI_INSNREG00_ENA_INCRX_ALIGN) + struct s5p_ehci_hcd { struct device *dev; struct usb_hcd *hcd; @@ -128,6 +137,9 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) ehci->regs = hcd->regs + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); + /* DMA burst Enable */ + writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs)); + dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); @@ -234,6 +246,9 @@ static int s5p_ehci_resume(struct device *dev) if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); + /* DMA burst Enable */ + writel(EHCI_INSNREG00_ENABLE_DMA_BURST, EHCI_INSNREG00(hcd->regs)); + if (time_before(jiffies, ehci->next_statechange)) msleep(100); |