diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch b/target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch index 9c3e408..217136a 100644 --- a/target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch +++ b/target/linux/brcm2708/patches-3.10/0088-dwc_otg-prevent-crashes-on-host-port-disconnects.patch @@ -1,7 +1,7 @@ -From afde583fbb644cff07984f2b47f75c0410d72205 Mon Sep 17 00:00:00 2001 +From 53e5476701371e6f8b85cdeeb6099cdaea3872ce Mon Sep 17 00:00:00 2001 From: P33M <P33M@github.com> Date: Mon, 5 Aug 2013 11:47:12 +0100 -Subject: [PATCH 088/174] dwc_otg: prevent crashes on host port disconnects +Subject: [PATCH 088/196] dwc_otg: prevent crashes on host port disconnects Fix several issues resulting in crashes or inconsistent state if a Model A root port was disconnected. @@ -25,9 +25,11 @@ if a Model A root port was disconnected. drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 3 ++ 3 files changed, 48 insertions(+), 6 deletions(-) +diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c +index c42172f..be1d25b 100644 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c -@@ -59,6 +59,11 @@ static int last_sel_trans_num_avail_hc_a +@@ -59,6 +59,11 @@ static int last_sel_trans_num_avail_hc_at_end = 0; extern int g_next_sched_frame, g_np_count, g_np_sent; @@ -39,7 +41,7 @@ if a Model A root port was disconnected. dwc_otg_hcd_t *dwc_otg_hcd_alloc_hcd(void) { return DWC_ALLOC(sizeof(dwc_otg_hcd_t)); -@@ -168,31 +173,43 @@ static void del_timers(dwc_otg_hcd_t * h +@@ -168,31 +173,43 @@ static void del_timers(dwc_otg_hcd_t * hcd) /** * Processes all the URBs in a single list of QHs. Completes them with @@ -88,7 +90,7 @@ if a Model A root port was disconnected. * and periodic schedules. The QTD associated with each URB is removed from * the schedule and freed. This function may be called when a disconnect is * detected or when the HCD is being stopped. -@@ -278,7 +295,8 @@ static int32_t dwc_otg_hcd_disconnect_cb +@@ -278,7 +295,8 @@ static int32_t dwc_otg_hcd_disconnect_cb(void *p) */ dwc_otg_hcd->flags.b.port_connect_status_change = 1; dwc_otg_hcd->flags.b.port_connect_status = 0; @@ -98,7 +100,7 @@ if a Model A root port was disconnected. /* * Shutdown any transfers in process by clearing the Tx FIFO Empty * interrupt mask and status bits and disabling subsequent host -@@ -374,8 +392,22 @@ static int32_t dwc_otg_hcd_disconnect_cb +@@ -374,8 +392,22 @@ static int32_t dwc_otg_hcd_disconnect_cb(void *p) channel->qh = NULL; } } @@ -121,9 +123,11 @@ if a Model A root port was disconnected. if (dwc_otg_hcd->fops->disconnect) { dwc_otg_hcd->fops->disconnect(dwc_otg_hcd); } +diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c +index 7d521d9..19abea0 100644 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c -@@ -2660,6 +2660,13 @@ int32_t dwc_otg_hcd_handle_hc_n_intr(dwc +@@ -2660,6 +2660,13 @@ int32_t dwc_otg_hcd_handle_hc_n_intr(dwc_otg_hcd_t * dwc_otg_hcd, uint32_t num) hc = dwc_otg_hcd->hc_ptr_array[num]; hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[num]; @@ -137,9 +141,11 @@ if a Model A root port was disconnected. qtd = DWC_CIRCLEQ_FIRST(&hc->qh->qtd_list); hcint.d32 = DWC_READ_REG32(&hc_regs->hcint); +diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c +index 80690f9..0d49b50 100644 --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c -@@ -309,6 +309,9 @@ static int _complete(dwc_otg_hcd_t * hcd +@@ -309,6 +309,9 @@ static int _complete(dwc_otg_hcd_t * hcd, void *urb_handle, case -DWC_E_OVERFLOW: status = -EOVERFLOW; break; @@ -149,3 +155,6 @@ if a Model A root port was disconnected. default: if (status) { DWC_PRINTF("Uknown urb status %d\n", status); +-- +1.9.1 + |