Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index e9062806d4a24898286240f139a2f28dadd8522c..74dcf49bd015a99384b04678dff4f9f576f4a809 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -114,6 +114,9 @@ MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us\n");
 
 #define        INTR_MASK (STS_IAA | STS_FATAL | STS_PCD | STS_ERR | STS_INT)
 
+/* for ASPM quirk of ISOC on AMD SB800 */
+static struct pci_dev *amd_nb_dev;
+
 /*-------------------------------------------------------------------------*/
 
 #include "ehci.h"
@@ -529,6 +532,11 @@ static void ehci_stop (struct usb_hcd *hcd)
        spin_unlock_irq (&ehci->lock);
        ehci_mem_cleanup (ehci);
 
+       if (amd_nb_dev) {
+               pci_dev_put(amd_nb_dev);
+               amd_nb_dev = NULL;
+       }
+
 #ifdef EHCI_STATS
        ehci_dbg (ehci, "irq normal %ld err %ld reclaim %ld (lost %ld)\n",
                ehci->stats.normal, ehci->stats.error, ehci->stats.reclaim,
@@ -564,6 +572,8 @@ static int ehci_init(struct usb_hcd *hcd)
        ehci->iaa_watchdog.function = ehci_iaa_watchdog;
        ehci->iaa_watchdog.data = (unsigned long) ehci;
 
+       hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params);
+
        /*
         * hw default: 1K periodic list heads, one per frame.
         * periodic_size can shrink by USBCMD update if hcc_params allows.
@@ -571,11 +581,20 @@ static int ehci_init(struct usb_hcd *hcd)
        ehci->periodic_size = DEFAULT_I_TDPS;
        INIT_LIST_HEAD(&ehci->cached_itd_list);
        INIT_LIST_HEAD(&ehci->cached_sitd_list);
+
+       if (HCC_PGM_FRAMELISTLEN(hcc_params)) {
+               /* periodic schedule size can be smaller than default */
+               switch (EHCI_TUNE_FLS) {
+               case 0: ehci->periodic_size = 1024; break;
+               case 1: ehci->periodic_size = 512; break;
+               case 2: ehci->periodic_size = 256; break;
+               default:        BUG();
+               }
+       }
        if ((retval = ehci_mem_init(ehci, GFP_KERNEL)) < 0)
                return retval;
 
        /* controllers may cache some of the periodic schedule ... */
-       hcc_params = ehci_readl(ehci, &ehci->caps->hcc_params);
        if (HCC_ISOC_CACHE(hcc_params))         // full frame cache
                ehci->i_thresh = 2 + 8;
        else                                    // N microframes cached
@@ -629,12 +648,6 @@ static int ehci_init(struct usb_hcd *hcd)
                /* periodic schedule size can be smaller than default */
                temp &= ~(3 << 2);
                temp |= (EHCI_TUNE_FLS << 2);
-               switch (EHCI_TUNE_FLS) {
-               case 0: ehci->periodic_size = 1024; break;
-               case 1: ehci->periodic_size = 512; break;
-               case 2: ehci->periodic_size = 256; break;
-               default:        BUG();
-               }
        }
        if (HCC_LPM(hcc_params)) {
                /* support link power management EHCI 1.1 addendum */
@@ -1166,12 +1179,17 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER                ehci_mxc_driver
 #endif
 
+#ifdef CONFIG_CPU_SUBTYPE_SH7786
+#include "ehci-sh.c"
+#define PLATFORM_DRIVER                ehci_hcd_sh_driver
+#endif
+
 #ifdef CONFIG_SOC_AU1200
 #include "ehci-au1xxx.c"
 #define        PLATFORM_DRIVER         ehci_hcd_au1xxx_driver
 #endif
 
-#ifdef CONFIG_ARCH_OMAP3
+#ifdef CONFIG_USB_EHCI_HCD_OMAP
 #include "ehci-omap.c"
 #define        PLATFORM_DRIVER         ehci_hcd_omap_driver
 #endif
@@ -1216,6 +1234,26 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER                ehci_octeon_driver
 #endif
 
+#ifdef CONFIG_USB_CNS3XXX_EHCI
+#include "ehci-cns3xxx.c"
+#define PLATFORM_DRIVER                cns3xxx_ehci_driver
+#endif
+
+#ifdef CONFIG_ARCH_VT8500
+#include "ehci-vt8500.c"
+#define        PLATFORM_DRIVER         vt8500_ehci_driver
+#endif
+
+#ifdef CONFIG_PLAT_SPEAR
+#include "ehci-spear.c"
+#define PLATFORM_DRIVER                spear_ehci_hcd_driver
+#endif
+
+#ifdef CONFIG_USB_EHCI_MSM
+#include "ehci-msm.c"
+#define PLATFORM_DRIVER                ehci_msm_driver
+#endif
+
 #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
     !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
     !defined(XILINX_OF_PLATFORM_DRIVER)