summaryrefslogtreecommitdiff
path: root/drivers/usb/typec
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:06:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-21 09:06:42 +0200
commit629b9111535f2a2607bbea1599d285a25f32835d (patch)
tree81a37df4e13842d5ea3d54b619e929e2b6e9ffed /drivers/usb/typec
parent673d74683627bc78eaca1fdbe24b6cf45c5c8d84 (diff)
parentba4f184e126b751d1bffad5897f263108befc780 (diff)
Merge 5.0-rc6 into usb-next
We want the USB fixes in here, and this resolves a merge issue in the uas driver. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec')
-rw-r--r--drivers/usb/typec/mux/intel_pmc_mux.c12
-rw-r--r--drivers/usb/typec/ucsi/ucsi.c22
-rw-r--r--drivers/usb/typec/ucsi/ucsi_acpi.c2
3 files changed, 26 insertions, 10 deletions
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index 109c1a796e84..d7f63b74c6b1 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -176,13 +176,19 @@ static int hsl_orientation(struct pmc_usb_port *port)
static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
{
u8 response[4];
+ int ret;
/*
* Error bit will always be 0 with the USBC command.
- * Status can be checked from the response message.
+ * Status can be checked from the response message if the
+ * function intel_scu_ipc_dev_command succeeds.
*/
- intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, len,
- response, sizeof(response));
+ ret = intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg,
+ len, response, sizeof(response));
+
+ if (ret)
+ return ret;
+
if (response[2] & PMC_USB_RESP_STATUS_FAILURE) {
if (response[2] & PMC_USB_RESP_STATUS_FATAL)
return -EIO;
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index e680fcfdee60..758b988ac518 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -216,14 +216,18 @@ void ucsi_altmode_update_active(struct ucsi_connector *con)
con->partner_altmode[i] == altmode);
}
-static u8 ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid)
+static int ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid)
{
u8 mode = 1;
int i;
- for (i = 0; alt[i]; i++)
+ for (i = 0; alt[i]; i++) {
+ if (i > MODE_DISCOVERY_MAX)
+ return -ERANGE;
+
if (alt[i]->svid == svid)
mode++;
+ }
return mode;
}
@@ -258,8 +262,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con,
goto err;
}
- desc->mode = ucsi_altmode_next_mode(con->port_altmode,
- desc->svid);
+ ret = ucsi_altmode_next_mode(con->port_altmode, desc->svid);
+ if (ret < 0)
+ return ret;
+
+ desc->mode = ret;
switch (desc->svid) {
case USB_TYPEC_DP_SID:
@@ -292,8 +299,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con,
goto err;
}
- desc->mode = ucsi_altmode_next_mode(con->partner_altmode,
- desc->svid);
+ ret = ucsi_altmode_next_mode(con->partner_altmode, desc->svid);
+ if (ret < 0)
+ return ret;
+
+ desc->mode = ret;
alt = typec_partner_register_altmode(con->partner, desc);
if (IS_ERR(alt)) {
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index c0aca2f0f23f..fbfe8f5933af 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -78,7 +78,7 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
if (ret)
goto out_clear_bit;
- if (!wait_for_completion_timeout(&ua->complete, msecs_to_jiffies(5000)))
+ if (!wait_for_completion_timeout(&ua->complete, 60 * HZ))
ret = -ETIMEDOUT;
out_clear_bit: