diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index 18bafa99fe57e1fa156a7cf326e589f1938b096b..bf7441afed16e15155e35a1b24a59de77853e3be 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -23,6 +23,7 @@ static int au1xxx_ehci_setup(struct usb_hcd *hcd)
int ret = ehci_init(hcd);
ehci->need_io_watchdog = 0;
+ ehci_reset(ehci);
return ret;
}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 0f15d392aae103657f992c04326cde2cc50c1c8c..c4c76ab204c1ecab78dee497a69a00960e303d45 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -48,6 +48,10 @@
#include <asm/system.h>
#include <asm/unaligned.h>
+#if defined(CONFIG_PPC_PS3)
+#include <asm/firmware.h>
+#endif
+
/*-------------------------------------------------------------------------*/
/*
@@ -230,12 +234,58 @@ static int ehci_halt (struct ehci_hcd *ehci)
STS_HALT, STS_HALT, 16 * 125);
}
+#if defined(CONFIG_USB_SUSPEND) && defined(CONFIG_PPC_PS3)
+
+/*
+ * The EHCI controller of the Cell Super Companion Chip used in the
+ * PS3 will stop the root hub after all root hub ports are suspended.
+ * When in this condition handshake will return -ETIMEDOUT. The
+ * STS_HLT bit will not be set, so inspection of the frame index is
+ * used here to test for the condition. If the condition is found
+ * return success to allow the USB suspend to complete.
+ */
+
+static int handshake_for_broken_root_hub(struct ehci_hcd *ehci,
+ void __iomem *ptr, u32 mask, u32 done,
+ int usec)
+{
+ unsigned int old_index;
+ int error;
+
+ if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+ return -ETIMEDOUT;
+
+ old_index = ehci_read_frame_index(ehci);
+
+ error = handshake(ehci, ptr, mask, done, usec);
+
+ if (error == -ETIMEDOUT && ehci_read_frame_index(ehci) == old_index)
+ return 0;
+
+ return error;
+}
+
+#else
+
+static int handshake_for_broken_root_hub(struct ehci_hcd *ehci,
+ void __iomem *ptr, u32 mask, u32 done,
+ int usec)
+{
+ return -ETIMEDOUT;
+}
+
+#endif
+
static int handshake_on_error_set_halt(struct ehci_hcd *ehci, void __iomem *ptr,
u32 mask, u32 done, int usec)
{
int error;
error = handshake(ehci, ptr, mask, done, usec);
+ if (error == -ETIMEDOUT)
+ error = handshake_for_broken_root_hub(ehci, ptr, mask, done,
+ usec);
+
if (error) {
ehci_halt(ehci);
ehci->rh_state = EHCI_RH_HALTED;
@@ -620,6 +670,7 @@ static int ehci_init(struct usb_hcd *hcd)
hw = ehci->async->hw;
hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma);
hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD);
+ hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */
hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);
hw->hw_qtd_next = EHCI_LIST_END(ehci);
ehci->async->qh_state = QH_STATE_LINKED;
@@ -677,22 +728,13 @@ static int ehci_init(struct usb_hcd *hcd)
static int ehci_run (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
- int retval;
u32 temp;
u32 hcc_params;
hcd->uses_new_polling = 1;
/* EHCI spec section 4.1 */
- /*
- * TDI driver does the ehci_reset in their reset callback.
- * Don't reset here, because configuration settings will
- * vanish.
- */
- if (!ehci_is_TDI(ehci) && (retval = ehci_reset(ehci)) != 0) {
- ehci_mem_cleanup(ehci);
- return retval;
- }
+
ehci_writel(ehci, ehci->periodic_dma, &ehci->regs->frame_list);
ehci_writel(ehci, (u32)ehci->async->qh_dma, &ehci->regs->async_next);
diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c
index ba1f5136113476c0ad05761818278c2d17a07ec7..c0104882c72d9d63c1cb525e01d72ec3578c5bd9 100644
--- a/drivers/usb/host/ehci-octeon.c
+++ b/drivers/usb/host/ehci-octeon.c
@@ -155,6 +155,8 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev)
/* cache this readonly data; minimize chip reads */
ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+ ehci_reset(ehci);
+
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret) {
dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret);
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index e39b0297bad1806a2e2cb49e2a5047e026847dc6..e33baf9052cbda86a8563ecec14885ee5928adcc 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -228,6 +228,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
/* cache this readonly data; minimize chip reads */
omap_ehci->hcs_params = readl(&omap_ehci->caps->hcs_params);
+ ehci_reset(omap_ehci);
+
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret) {
dev_err(dev, "failed to add hcd with err %d\n", ret);
diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c
index 2dc32da75cfc458edff72ec92d20a43d192e2ee6..a20e496eb479b62698c4a73aca8b95dad47d7ef6 100644
--- a/drivers/usb/host/ehci-ps3.c
+++ b/drivers/usb/host/ehci-ps3.c
@@ -21,6 +21,34 @@
#include <asm/firmware.h>
#include <asm/ps3.h>
+static void ps3_ehci_setup_insnreg(struct ehci_hcd *ehci)
+{
+ /* PS3 HC internal setup register offsets. */
+
+ enum ps3_ehci_hc_insnreg {
+ ps3_ehci_hc_insnreg01 = 0x084,
+ ps3_ehci_hc_insnreg02 = 0x088,
+ ps3_ehci_hc_insnreg03 = 0x08c,
+ };
+
+ /* PS3 EHCI HC errata fix 316 - The PS3 EHCI HC will reset its
+ * internal INSNREGXX setup regs back to the chip default values
+ * on Host Controller Reset (CMD_RESET) or Light Host Controller
+ * Reset (CMD_LRESET). The work-around for this is for the HC
+ * driver to re-initialise these regs when ever the HC is reset.
+ */
+
+ /* Set burst transfer counts to 256 out, 32 in. */
+
+ writel_be(0x01000020, (void __iomem *)ehci->regs +
+ ps3_ehci_hc_insnreg01);
+
+ /* Enable burst transfer counts. */
+
+ writel_be(0x00000001, (void __iomem *)ehci->regs +
+ ps3_ehci_hc_insnreg03);
+}
+
static int ps3_ehci_hc_reset(struct usb_hcd *hcd)
{
int result;
@@ -49,6 +77,8 @@ static int ps3_ehci_hc_reset(struct usb_hcd *hcd)
ehci_reset(ehci);
+ ps3_ehci_setup_insnreg(ehci);
+
return result;
}
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 8aac02019195d99bc96cf2bf527bbcc339d22c24..293f7412992ec54edea999723c7a7c047198068c 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -134,6 +134,8 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev)
/* cache this readonly data; minimize chip reads */
ehci->hcs_params = readl(&ehci->caps->hcs_params);
+ ehci_reset(ehci);
+
err = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (err) {
dev_err(&pdev->dev, "Failed to add USB HCD\n");
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c
index 54d1ab8aec495d1067ac3578ebc94b2b91f0da0e..c1eda73916cdd7e189ffd380882317631d5b1367 100644
--- a/drivers/usb/host/ehci-vt8500.c
+++ b/drivers/usb/host/ehci-vt8500.c
@@ -132,6 +132,8 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev)
ehci_port_power(ehci, 1);
+ ehci_reset(ehci);
+
ret = usb_add_hcd(hcd, pdev->resource[1].start,
IRQF_SHARED);
if (ret == 0) {
diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index d661cf7de140731d17cd46acf38ba689863656c8..3d2e26cbb34cd564ace646f55f8f8e1fccee7cb5 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -78,6 +78,8 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver,
if (irq < 0)
goto err4;
+ ehci_reset(ehci);
+
retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (retval != 0)
goto err4;