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author | Hauke Mehrtens <hauke@hauke-m.de> | 2015-10-11 19:08:08 +0000 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2015-10-11 19:08:08 +0000 |
commit | b5842aed82e0c9101e99ec4bcf5959b931e98989 (patch) | |
tree | f9749eb8ce7d61f284cc4d91bac5aafd07de8344 /target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch | |
parent | 3d1a65adb41db2758827fe81f36d92ab61618ea3 (diff) | |
download | upstream-b5842aed82e0c9101e99ec4bcf5959b931e98989.tar.gz upstream-b5842aed82e0c9101e99ec4bcf5959b931e98989.tar.bz2 upstream-b5842aed82e0c9101e99ec4bcf5959b931e98989.zip |
kernel: generic: add kernel 4.3
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 47182
Diffstat (limited to 'target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch')
-rw-r--r-- | target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch b/target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch new file mode 100644 index 0000000000..694e8ccb3f --- /dev/null +++ b/target/linux/generic/patches-4.3/102-ehci_hcd_ignore_oc.patch @@ -0,0 +1,82 @@ +From 1e311820ec3055e3f08e687de6564692a7cec675 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <florian@openwrt.org> +Date: Mon, 28 Jan 2013 20:06:29 +0100 +Subject: [PATCH 11/12] USB: EHCI: add ignore_oc flag to disable overcurrent + checking + +This patch adds an ignore_oc flag which can be set by EHCI controller +not supporting or wanting to disable overcurrent checking. The EHCI +platform data in include/linux/usb/ehci_pdriver.h is also augmented to +take advantage of this new flag. + +Signed-off-by: Florian Fainelli <florian@openwrt.org> +--- + drivers/usb/host/ehci-hcd.c | 2 +- + drivers/usb/host/ehci-hub.c | 4 ++-- + drivers/usb/host/ehci-platform.c | 1 + + drivers/usb/host/ehci.h | 1 + + include/linux/usb/ehci_pdriver.h | 1 + + 5 files changed, 6 insertions(+), 3 deletions(-) + +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -639,7 +639,7 @@ static int ehci_run (struct usb_hcd *hcd + "USB %x.%x started, EHCI %x.%02x%s\n", + ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), + temp >> 8, temp & 0xff, +- ignore_oc ? ", overcurrent ignored" : ""); ++ (ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : ""); + + ehci_writel(ehci, INTR_MASK, + &ehci->regs->intr_enable); /* Turn On Interrupts */ +--- a/drivers/usb/host/ehci-hub.c ++++ b/drivers/usb/host/ehci-hub.c +@@ -634,7 +634,7 @@ ehci_hub_status_data (struct usb_hcd *hc + * always set, seem to clear PORT_OCC and PORT_CSC when writing to + * PORT_POWER; that's surprising, but maybe within-spec. + */ +- if (!ignore_oc) ++ if (!ignore_oc && !ehci->ignore_oc) + mask = PORT_CSC | PORT_PEC | PORT_OCC; + else + mask = PORT_CSC | PORT_PEC; +@@ -996,7 +996,7 @@ int ehci_hub_control( + if (temp & PORT_PEC) + status |= USB_PORT_STAT_C_ENABLE << 16; + +- if ((temp & PORT_OCC) && !ignore_oc){ ++ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->ignore_oc)){ + status |= USB_PORT_STAT_C_OVERCURRENT << 16; + + /* +--- a/drivers/usb/host/ehci-platform.c ++++ b/drivers/usb/host/ehci-platform.c +@@ -251,6 +251,8 @@ static int ehci_platform_probe(struct pl + hcd->has_tt = 1; + if (pdata->reset_on_resume) + priv->reset_on_resume = true; ++ if (pdata->ignore_oc) ++ ehci->ignore_oc = 1; + + #ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO + if (ehci->big_endian_mmio) { +--- a/drivers/usb/host/ehci.h ++++ b/drivers/usb/host/ehci.h +@@ -227,6 +227,7 @@ struct ehci_hcd { /* one per controlle + unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ + unsigned need_oc_pp_cycle:1; /* MPC834X port power */ + unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ ++ unsigned ignore_oc:1; + + /* required for usb32 quirk */ + #define OHCI_CTRL_HCFS (3 << 6) +--- a/include/linux/usb/ehci_pdriver.h ++++ b/include/linux/usb/ehci_pdriver.h +@@ -49,6 +49,7 @@ struct usb_ehci_pdata { + unsigned no_io_watchdog:1; + unsigned reset_on_resume:1; + unsigned dma_mask_64:1; ++ unsigned ignore_oc:1; + + /* Turn on all power and clocks */ + int (*power_on)(struct platform_device *pdev); |