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Code Issues

kernel: backport ehci overcurrent patches

Browse Source 
These patches have been accepted for v5.13.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2021-03-24 14:02:56 +01:00
parent 22d2c972c4
commit bd47189602
7 changed files with 112 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/bcm63xx/patches-5.10/110-MIPS-BCM63XX-EHCI-controller-does-not-support-overcu.patch
View File

@ -4,7 +4,7 @@ Date: Mon, 28 Jan 2013 20:06:30 +0100
Subject: [PATCH 12/12] MIPS: BCM63XX: EHCI controller does not support
overcurrent
This patch sets the ignore_oc flag for the BCM63XX EHCI controller as it
This patch sets the spurious_oc flag for the BCM63XX EHCI controller as it
does not support proper overcurrent reporting.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
@ -18,7 +18,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
static struct usb_ehci_pdata bcm63xx_ehci_pdata = {
.big_endian_desc = 1,
.big_endian_mmio = 1,
+ .ignore_oc = 1,
+ .spurious_oc = 1,
.power_on = bcm63xx_ehci_power_on,
.power_off = bcm63xx_ehci_power_off,
.power_suspend = bcm63xx_ehci_power_off,

4
target/linux/bcm63xx/patches-5.4/110-MIPS-BCM63XX-EHCI-controller-does-not-support-overcu.patch
View File

@ -4,7 +4,7 @@ Date: Mon, 28 Jan 2013 20:06:30 +0100
Subject: [PATCH 12/12] MIPS: BCM63XX: EHCI controller does not support
overcurrent
This patch sets the ignore_oc flag for the BCM63XX EHCI controller as it
This patch sets the spurious_oc flag for the BCM63XX EHCI controller as it
does not support proper overcurrent reporting.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
@ -18,7 +18,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
static struct usb_ehci_pdata bcm63xx_ehci_pdata = {
.big_endian_desc = 1,
.big_endian_mmio = 1,
+ .ignore_oc = 1,
+ .spurious_oc = 1,
.power_on = bcm63xx_ehci_power_on,
.power_off = bcm63xx_ehci_power_off,
.power_suspend = bcm63xx_ehci_power_off,

12
target/linux/bmips/patches-5.10/300-usb-host-generic-ehci-ignore-oc-device-tree.patch
View File

@ -1,12 +0,0 @@
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -286,6 +286,9 @@ static int ehci_platform_probe(struct pl
if (of_property_read_bool(dev->dev.of_node, "big-endian"))
ehci->big_endian_mmio = ehci->big_endian_desc = 1;
+ if (of_property_read_bool(dev->dev.of_node, "ignore-oc"))
+ ehci->ignore_oc = 1;
+
if (of_property_read_bool(dev->dev.of_node,
"needs-reset-on-resume"))
priv->reset_on_resume = true;

37
target/linux/generic/pending-5.10/110-ehci_hcd_ignore_oc.patch → target/linux/generic/backport-5.10/810-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch
View File

@ -1,5 +1,11 @@
From 2d5ba37461013253d2ff0a3641b727fd32ea97a9 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Subject: USB: EHCI: add ignore_oc flag to disable overcurrent checking
Date: Tue, 23 Feb 2021 18:44:53 +0100
Subject: [PATCH 1/3] usb: ehci: add spurious flag to disable overcurrent
checking
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This patch adds an ignore_oc flag which can be set by EHCI controller
not supporting or wanting to disable overcurrent checking. The EHCI
@ -7,13 +13,16 @@ 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>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223174455.1378-2-noltari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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(-)
drivers/usb/host/ehci-hcd.c | 2 +-
drivers/usb/host/ehci-hub.c | 4 ++--
drivers/usb/host/ehci-platform.c | 2 ++
drivers/usb/host/ehci.h | 1 +
include/linux/usb/ehci_pdriver.h | 1 +
5 files changed, 7 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@ -22,7 +31,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
temp >> 8, temp & 0xff,
- ignore_oc ? ", overcurrent ignored" : "");
+ (ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : "");
+ (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : "");
ehci_writel(ehci, INTR_MASK,
&ehci->regs->intr_enable); /* Turn On Interrupts */
@ -33,7 +42,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
* PORT_POWER; that's surprising, but maybe within-spec.
*/
- if (!ignore_oc)
+ if (!ignore_oc && !ehci->ignore_oc)
+ if (!ignore_oc && !ehci->spurious_oc)
mask = PORT_CSC | PORT_PEC | PORT_OCC;
else
mask = PORT_CSC | PORT_PEC;
@ -42,7 +51,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
status |= USB_PORT_STAT_C_ENABLE << 16;
- if ((temp & PORT_OCC) && !ignore_oc){
+ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->ignore_oc)){
+ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->spurious_oc)){
status |= USB_PORT_STAT_C_OVERCURRENT << 16;
/*
@ -52,8 +61,8 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
hcd->has_tt = 1;
if (pdata->reset_on_resume)
priv->reset_on_resume = true;
+ if (pdata->ignore_oc)
+ ehci->ignore_oc = 1;
+ if (pdata->spurious_oc)
+ ehci->spurious_oc = 1;
#ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
if (ehci->big_endian_mmio) {
@ -63,7 +72,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
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;
+ unsigned spurious_oc:1;
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
@ -73,7 +82,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
unsigned no_io_watchdog:1;
unsigned reset_on_resume:1;
unsigned dma_mask_64:1;
+ unsigned ignore_oc:1;
+ unsigned spurious_oc:1;
/* Turn on all power and clocks */
int (*power_on)(struct platform_device *pdev);

31
target/linux/generic/backport-5.10/811-v5.13-usb-host-ehci-platform-add-spurious_oc-DT-support.patch Normal file
View File

@ -0,0 +1,31 @@
From 4da57dbbffdfa7fe4e2b70b047fc5ff95ff25a3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Tue, 23 Feb 2021 18:44:55 +0100
Subject: [PATCH 3/3] usb: host: ehci-platform: add spurious_oc DT support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Over-current reporting isn't supported on some platforms such as bcm63xx.
These devices will incorrectly report over-current if this flag isn't properly
activated.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223174455.1378-4-noltari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/ehci-platform.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -286,6 +286,9 @@ static int ehci_platform_probe(struct pl
if (of_property_read_bool(dev->dev.of_node, "big-endian"))
ehci->big_endian_mmio = ehci->big_endian_desc = 1;
+ if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
+ ehci->spurious_oc = 1;
+
if (of_property_read_bool(dev->dev.of_node,
"needs-reset-on-resume"))
priv->reset_on_resume = true;

37
target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch → target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch
View File

@ -1,5 +1,11 @@
From 2d5ba37461013253d2ff0a3641b727fd32ea97a9 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Subject: USB: EHCI: add ignore_oc flag to disable overcurrent checking
Date: Tue, 23 Feb 2021 18:44:53 +0100
Subject: [PATCH 1/3] usb: ehci: add spurious flag to disable overcurrent
checking
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This patch adds an ignore_oc flag which can be set by EHCI controller
not supporting or wanting to disable overcurrent checking. The EHCI
@ -7,13 +13,16 @@ 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>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223174455.1378-2-noltari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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(-)
drivers/usb/host/ehci-hcd.c | 2 +-
drivers/usb/host/ehci-hub.c | 4 ++--
drivers/usb/host/ehci-platform.c | 2 ++
drivers/usb/host/ehci.h | 1 +
include/linux/usb/ehci_pdriver.h | 1 +
5 files changed, 7 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@ -22,7 +31,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
temp >> 8, temp & 0xff,
- ignore_oc ? ", overcurrent ignored" : "");
+ (ignore_oc || ehci->ignore_oc) ? ", overcurrent ignored" : "");
+ (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : "");
ehci_writel(ehci, INTR_MASK,
&ehci->regs->intr_enable); /* Turn On Interrupts */
@ -33,7 +42,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
* PORT_POWER; that's surprising, but maybe within-spec.
*/
- if (!ignore_oc)
+ if (!ignore_oc && !ehci->ignore_oc)
+ if (!ignore_oc && !ehci->spurious_oc)
mask = PORT_CSC | PORT_PEC | PORT_OCC;
else
mask = PORT_CSC | PORT_PEC;
@ -42,7 +51,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
status |= USB_PORT_STAT_C_ENABLE << 16;
- if ((temp & PORT_OCC) && !ignore_oc){
+ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->ignore_oc)){
+ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->spurious_oc)){
status |= USB_PORT_STAT_C_OVERCURRENT << 16;
/*
@ -52,8 +61,8 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
hcd->has_tt = 1;
if (pdata->reset_on_resume)
priv->reset_on_resume = true;
+ if (pdata->ignore_oc)
+ ehci->ignore_oc = 1;
+ if (pdata->spurious_oc)
+ ehci->spurious_oc = 1;
#ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO
if (ehci->big_endian_mmio) {
@ -63,7 +72,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
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;
+ unsigned spurious_oc:1;
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
@ -73,7 +82,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
unsigned no_io_watchdog:1;
unsigned reset_on_resume:1;
unsigned dma_mask_64:1;
+ unsigned ignore_oc:1;
+ unsigned spurious_oc:1;
/* Turn on all power and clocks */
int (*power_on)(struct platform_device *pdev);

31
target/linux/generic/backport-5.4/851-v5.13-usb-host-ehci-platform-add-spurious_oc-DT-support.patch Normal file
View File

@ -0,0 +1,31 @@
From 4da57dbbffdfa7fe4e2b70b047fc5ff95ff25a3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Tue, 23 Feb 2021 18:44:55 +0100
Subject: [PATCH 3/3] usb: host: ehci-platform: add spurious_oc DT support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Over-current reporting isn't supported on some platforms such as bcm63xx.
These devices will incorrectly report over-current if this flag isn't properly
activated.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://lore.kernel.org/r/20210223174455.1378-4-noltari@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/ehci-platform.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -278,6 +278,9 @@ static int ehci_platform_probe(struct pl
if (of_property_read_bool(dev->dev.of_node, "big-endian"))
ehci->big_endian_mmio = ehci->big_endian_desc = 1;
+ if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
+ ehci->spurious_oc = 1;
+
if (of_property_read_bool(dev->dev.of_node,
"needs-reset-on-resume"))
priv->reset_on_resume = true;