9aa196e0f2
Refresh patches, following required reworking: ar71xx/patches-4.9/930-chipidea-pullup.patch layerscape/patches-4.9/302-dts-support-layercape.patch sunxi/patches-4.9/0052-stmmac-form-4-12.patch Fixes for CVEs: CVE-2018-1108 CVE-2018-1092 Tested on: ar71xx Archer C7 v2 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Tested-by: Arjen de Korte <build+openwrt@de-korte.org>
72 lines
2.2 KiB
Diff
72 lines
2.2 KiB
Diff
--- a/drivers/usb/chipidea/ci.h
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+++ b/drivers/usb/chipidea/ci.h
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@@ -199,6 +199,7 @@ struct hw_bank {
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* @in_lpm: if the core in low power mode
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* @wakeup_int: if wakeup interrupt occur
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* @rev: The revision number for controller
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+ * @dp_always_pullup: keep dp always pullup at device mode
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*/
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struct ci_hdrc {
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struct device *dev;
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@@ -248,6 +249,7 @@ struct ci_hdrc {
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bool in_lpm;
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bool wakeup_int;
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enum ci_revision rev;
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+ bool dp_always_pullup;
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};
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static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci)
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--- a/drivers/usb/chipidea/core.c
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+++ b/drivers/usb/chipidea/core.c
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@@ -839,7 +839,7 @@ static inline void ci_role_destroy(struc
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{
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ci_hdrc_gadget_destroy(ci);
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ci_hdrc_host_destroy(ci);
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- if (ci->is_otg && ci->roles[CI_ROLE_GADGET])
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+ if (!ci->dp_always_pullup && ci->roles[CI_ROLE_GADGET])
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ci_hdrc_otg_destroy(ci);
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}
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@@ -890,6 +890,9 @@ static int ci_hdrc_probe(struct platform
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ci->supports_runtime_pm = !!(ci->platdata->flags &
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CI_HDRC_SUPPORTS_RUNTIME_PM);
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+ ci->dp_always_pullup = !!(ci->platdata->flags &
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+ CI_HDRC_DP_ALWAYS_PULLUP);
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+
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ret = hw_device_init(ci, base);
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if (ret < 0) {
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dev_err(dev, "can't initialize hardware\n");
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@@ -963,7 +966,7 @@ static int ci_hdrc_probe(struct platform
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goto deinit_gadget;
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}
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- if (ci->is_otg && ci->roles[CI_ROLE_GADGET]) {
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+ if (!ci->dp_always_pullup && ci->roles[CI_ROLE_GADGET]) {
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ret = ci_hdrc_otg_init(ci);
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if (ret) {
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dev_err(dev, "init otg fails, ret = %d\n", ret);
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--- a/drivers/usb/chipidea/otg.c
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+++ b/drivers/usb/chipidea/otg.c
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@@ -131,8 +131,10 @@ enum ci_role ci_otg_role(struct ci_hdrc
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void ci_handle_vbus_change(struct ci_hdrc *ci)
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{
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- if (!ci->is_otg)
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+ if (ci->dp_always_pullup) {
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+ usb_gadget_vbus_connect(&ci->gadget);
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return;
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+ }
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if (hw_read_otgsc(ci, OTGSC_BSV) && !ci->vbus_active)
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usb_gadget_vbus_connect(&ci->gadget);
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--- a/include/linux/usb/chipidea.h
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+++ b/include/linux/usb/chipidea.h
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@@ -57,6 +57,7 @@ struct ci_hdrc_platform_data {
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#define CI_HDRC_OVERRIDE_AHB_BURST BIT(9)
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#define CI_HDRC_OVERRIDE_TX_BURST BIT(10)
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#define CI_HDRC_OVERRIDE_RX_BURST BIT(11)
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+#define CI_HDRC_DP_ALWAYS_PULLUP BIT(12)
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enum usb_dr_mode dr_mode;
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#define CI_HDRC_CONTROLLER_RESET_EVENT 0
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#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
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