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mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-11 17:10:13 +00:00

USB fixes for 6.19-rc3

Here are some small USB fixes, and bunch of reverts for 6.19-rc3.
 Included in here are:
   - reverts of some typec ucsi driver changes that had a lot of
     regression reports after -rc1.  Let's just revert it all for now and
     it will come back in a way that is better tested.
   - other typec bugfixes
   - usb-storage quirk fixups
   - dwc3 driver fix
   - other minor USB fixes for reported problems.
 
 All of these have passed 0-day testing and individual testing.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small USB fixes, and bunch of reverts for 6.19-rc3.
  Included in here are:

   - reverts of some typec ucsi driver changes that had a lot of
     regression reports after -rc1. Let's just revert it all for now and
     it will come back in a way that is better tested.

   - other typec bugfixes

   - usb-storage quirk fixups

   - dwc3 driver fix

   - other minor USB fixes for reported problems.

  All of these have passed 0-day testing and individual testing"

* tag 'usb-6.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  Revert "usb: typec: ucsi: Update UCSI structure to have message in and message out fields"
  Revert "usb: typec: ucsi: Add support for message out data structure"
  Revert "usb: typec: ucsi: Enable debugfs for message_out data structure"
  Revert "usb: typec: ucsi: Add support for SET_PDOS command"
  Revert "usb: typec: ucsi: Fix null pointer dereference in ucsi_sync_control_common"
  Revert "usb: typec: ucsi: Get connector status after enable notifications"
  usb: ohci-nxp: clean up probe error labels
  usb: gadget: lpc32xx_udc: clean up probe error labels
  usb: ohci-nxp: fix device leak on probe failure
  usb: phy: isp1301: fix non-OF device reference imbalance
  usb: gadget: lpc32xx_udc: fix clock imbalance in error path
  usb: typec: ucsi: Get connector status after enable notifications
  usb: usb-storage: Maintain minimal modifications to the bcdDevice range.
  usb: dwc3: of-simple: fix clock resource leak in dwc3_of_simple_probe
  usb: typec: ucsi: Fix null pointer dereference in ucsi_sync_control_common
  USB: lpc32xx_udc: Fix error handling in probe
  usb: typec: altmodes/displayport: Drop the device reference in dp_altmode_probe()
  usb: phy: fsl-usb: Fix use-after-free in delayed work during device removal
  usb: renesas_usbhs: Fix a resource leak in usbhs_pipe_malloc()
  usb: typec: ucsi: huawei-gaokin: add DRM dependency
  ...
This commit is contained in:
Linus Torvalds 2025-12-28 10:21:47 -08:00
commit c875a6c324
20 changed files with 130 additions and 207 deletions

View File

@ -70,11 +70,11 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
simple->num_clocks = ret;
ret = clk_bulk_prepare_enable(simple->num_clocks, simple->clks);
if (ret)
goto err_resetc_assert;
goto err_clk_put_all;
ret = of_platform_populate(np, NULL, NULL, dev);
if (ret)
goto err_clk_put;
goto err_clk_disable;
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
@ -82,8 +82,9 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
return 0;
err_clk_put:
err_clk_disable:
clk_bulk_disable_unprepare(simple->num_clocks, simple->clks);
err_clk_put_all:
clk_bulk_put_all(simple->num_clocks, simple->clks);
err_resetc_assert:

View File

@ -4826,7 +4826,7 @@ void dwc3_gadget_exit(struct dwc3 *dwc)
if (!dwc->gadget)
return;
dwc3_enable_susphy(dwc, false);
dwc3_enable_susphy(dwc, true);
usb_del_gadget(dwc->gadget);
dwc3_gadget_free_endpoints(dwc);
usb_put_gadget(dwc->gadget);

View File

@ -227,7 +227,7 @@ void dwc3_host_exit(struct dwc3 *dwc)
if (dwc->sys_wakeup)
device_init_wakeup(&dwc->xhci->dev, false);
dwc3_enable_susphy(dwc, false);
dwc3_enable_susphy(dwc, true);
platform_device_unregister(dwc->xhci);
dwc->xhci = NULL;
}

View File

@ -3020,7 +3020,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
pdev->dev.dma_mask = &lpc32xx_usbd_dmamask;
retval = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (retval)
return retval;
goto err_put_client;
udc->board = &lpc32xx_usbddata;
@ -3038,28 +3038,32 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
/* Get IRQs */
for (i = 0; i < 4; i++) {
udc->udp_irq[i] = platform_get_irq(pdev, i);
if (udc->udp_irq[i] < 0)
return udc->udp_irq[i];
if (udc->udp_irq[i] < 0) {
retval = udc->udp_irq[i];
goto err_put_client;
}
}
udc->udp_baseaddr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(udc->udp_baseaddr)) {
dev_err(udc->dev, "IO map failure\n");
return PTR_ERR(udc->udp_baseaddr);
retval = PTR_ERR(udc->udp_baseaddr);
goto err_put_client;
}
/* Get USB device clock */
udc->usb_slv_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(udc->usb_slv_clk)) {
dev_err(udc->dev, "failed to acquire USB device clock\n");
return PTR_ERR(udc->usb_slv_clk);
retval = PTR_ERR(udc->usb_slv_clk);
goto err_put_client;
}
/* Enable USB device clock */
retval = clk_prepare_enable(udc->usb_slv_clk);
if (retval < 0) {
dev_err(udc->dev, "failed to start USB device clock\n");
return retval;
goto err_put_client;
}
/* Setup deferred workqueue data */
@ -3080,7 +3084,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
if (!udc->udca_v_base) {
dev_err(udc->dev, "error getting UDCA region\n");
retval = -ENOMEM;
goto i2c_fail;
goto err_disable_clk;
}
udc->udca_p_base = dma_handle;
dev_dbg(udc->dev, "DMA buffer(0x%x bytes), P:0x%08x, V:0x%p\n",
@ -3093,7 +3097,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
if (!udc->dd_cache) {
dev_err(udc->dev, "error getting DD DMA region\n");
retval = -ENOMEM;
goto dma_alloc_fail;
goto err_free_dma;
}
/* Clear USB peripheral and initialize gadget endpoints */
@ -3107,14 +3111,14 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
if (retval < 0) {
dev_err(udc->dev, "LP request irq %d failed\n",
udc->udp_irq[IRQ_USB_LP]);
goto irq_req_fail;
goto err_destroy_pool;
}
retval = devm_request_irq(dev, udc->udp_irq[IRQ_USB_HP],
lpc32xx_usb_hp_irq, 0, "udc_hp", udc);
if (retval < 0) {
dev_err(udc->dev, "HP request irq %d failed\n",
udc->udp_irq[IRQ_USB_HP]);
goto irq_req_fail;
goto err_destroy_pool;
}
retval = devm_request_irq(dev, udc->udp_irq[IRQ_USB_DEVDMA],
@ -3122,7 +3126,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
if (retval < 0) {
dev_err(udc->dev, "DEV request irq %d failed\n",
udc->udp_irq[IRQ_USB_DEVDMA]);
goto irq_req_fail;
goto err_destroy_pool;
}
/* The transceiver interrupt is used for VBUS detection and will
@ -3133,7 +3137,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
if (retval < 0) {
dev_err(udc->dev, "VBUS request irq %d failed\n",
udc->udp_irq[IRQ_USB_ATX]);
goto irq_req_fail;
goto err_destroy_pool;
}
/* Initialize wait queue */
@ -3142,7 +3146,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
retval = usb_add_gadget_udc(dev, &udc->gadget);
if (retval < 0)
goto add_gadget_fail;
goto err_destroy_pool;
dev_set_drvdata(dev, udc);
device_init_wakeup(dev, 1);
@ -3154,14 +3158,16 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
dev_info(udc->dev, "%s version %s\n", driver_name, DRIVER_VERSION);
return 0;
add_gadget_fail:
irq_req_fail:
err_destroy_pool:
dma_pool_destroy(udc->dd_cache);
dma_alloc_fail:
err_free_dma:
dma_free_coherent(&pdev->dev, UDCA_BUFF_SIZE,
udc->udca_v_base, udc->udca_p_base);
i2c_fail:
err_disable_clk:
clk_disable_unprepare(udc->usb_slv_clk);
err_put_client:
put_device(&udc->isp1301_i2c_client->dev);
dev_err(udc->dev, "%s probe failed, %d\n", driver_name, retval);
return retval;
@ -3190,6 +3196,8 @@ static void lpc32xx_udc_remove(struct platform_device *pdev)
udc->udca_v_base, udc->udca_p_base);
clk_disable_unprepare(udc->usb_slv_clk);
put_device(&udc->isp1301_i2c_client->dev);
}
#ifdef CONFIG_PM

View File

@ -169,13 +169,13 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret)
goto fail_disable;
goto err_put_client;
dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (nxp)\n", hcd_name);
if (usb_disabled()) {
dev_err(&pdev->dev, "USB is disabled\n");
ret = -ENODEV;
goto fail_disable;
goto err_put_client;
}
/* Enable USB host clock */
@ -183,7 +183,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
if (IS_ERR(usb_host_clk)) {
dev_err(&pdev->dev, "failed to acquire and start USB OHCI clock\n");
ret = PTR_ERR(usb_host_clk);
goto fail_disable;
goto err_put_client;
}
isp1301_configure();
@ -192,13 +192,13 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
if (!hcd) {
dev_err(&pdev->dev, "Failed to allocate HC buffer\n");
ret = -ENOMEM;
goto fail_disable;
goto err_put_client;
}
hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(hcd->regs)) {
ret = PTR_ERR(hcd->regs);
goto fail_resource;
goto err_put_hcd;
}
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
@ -206,7 +206,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = -ENXIO;
goto fail_resource;
goto err_put_hcd;
}
ohci_nxp_start_hc();
@ -220,9 +220,10 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
}
ohci_nxp_stop_hc();
fail_resource:
err_put_hcd:
usb_put_hcd(hcd);
fail_disable:
err_put_client:
put_device(&isp1301_i2c_client->dev);
isp1301_i2c_client = NULL;
return ret;
}
@ -234,6 +235,7 @@ static void ohci_hcd_nxp_remove(struct platform_device *pdev)
usb_remove_hcd(hcd);
ohci_nxp_stop_hc();
usb_put_hcd(hcd);
put_device(&isp1301_i2c_client->dev);
isp1301_i2c_client = NULL;
}

View File

@ -554,7 +554,7 @@ static void xhci_dbc_tty_unregister_device(struct xhci_dbc *dbc)
* Hang up the TTY. This wakes up any blocked
* writers and causes subsequent writes to fail.
*/
tty_vhangup(port->port.tty);
tty_port_tty_vhangup(&port->port);
tty_unregister_device(dbc_tty_driver, port->minor);
xhci_dbc_tty_exit_port(port);

View File

@ -988,6 +988,7 @@ static void fsl_otg_remove(struct platform_device *pdev)
{
struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
disable_delayed_work_sync(&fsl_otg_dev->otg_event);
usb_remove_phy(&fsl_otg_dev->phy);
free_irq(fsl_otg_dev->irq, fsl_otg_dev);

View File

@ -149,7 +149,12 @@ struct i2c_client *isp1301_get_client(struct device_node *node)
return client;
/* non-DT: only one ISP1301 chip supported */
return isp1301_i2c_client;
if (isp1301_i2c_client) {
get_device(&isp1301_i2c_client->dev);
return isp1301_i2c_client;
}
return NULL;
}
EXPORT_SYMBOL_GPL(isp1301_get_client);

View File

@ -713,11 +713,13 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
/* make sure pipe is not busy */
ret = usbhsp_pipe_barrier(pipe);
if (ret < 0) {
usbhsp_put_pipe(pipe);
dev_err(dev, "pipe setup failed %d\n", usbhs_pipe_number(pipe));
return NULL;
}
if (usbhsp_setup_pipecfg(pipe, is_host, dir_in, &pipecfg)) {
usbhsp_put_pipe(pipe);
dev_err(dev, "can't setup pipe\n");
return NULL;
}

View File

@ -98,7 +98,7 @@ UNUSUAL_DEV(0x125f, 0xa94a, 0x0160, 0x0160,
US_FL_NO_ATA_1X),
/* Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> */
UNUSUAL_DEV(0x13fd, 0x3940, 0x0309, 0x0309,
UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x0309,
"Initio Corporation",
"INIC-3069",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,

View File

@ -766,12 +766,16 @@ int dp_altmode_probe(struct typec_altmode *alt)
if (!(DP_CAP_PIN_ASSIGN_DFP_D(port->vdo) &
DP_CAP_PIN_ASSIGN_UFP_D(alt->vdo)) &&
!(DP_CAP_PIN_ASSIGN_UFP_D(port->vdo) &
DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo)))
DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo))) {
typec_altmode_put_plug(plug);
return -ENODEV;
}
dp = devm_kzalloc(&alt->dev, sizeof(*dp), GFP_KERNEL);
if (!dp)
if (!dp) {
typec_altmode_put_plug(plug);
return -ENOMEM;
}
INIT_WORK(&dp->work, dp_altmode_work);
mutex_init(&dp->lock);

View File

@ -96,6 +96,7 @@ config UCSI_LENOVO_YOGA_C630
config UCSI_HUAWEI_GAOKUN
tristate "UCSI Interface Driver for Huawei Matebook E Go"
depends on EC_HUAWEI_GAOKUN
depends on DRM || !DRM
select DRM_AUX_HPD_BRIDGE if DRM_BRIDGE && OF
help
This driver enables UCSI support on the Huawei Matebook E Go tablet,

View File

@ -105,12 +105,13 @@ static int cros_ucsi_async_control(struct ucsi *ucsi, u64 cmd)
return 0;
}
static int cros_ucsi_sync_control(struct ucsi *ucsi, u64 cmd, u32 *cci)
static int cros_ucsi_sync_control(struct ucsi *ucsi, u64 cmd, u32 *cci,
void *data, size_t size)
{
struct cros_ucsi_data *udata = ucsi_get_drvdata(ucsi);
int ret;
ret = ucsi_sync_control_common(ucsi, cmd, cci);
ret = ucsi_sync_control_common(ucsi, cmd, cci, data, size);
switch (ret) {
case -EBUSY:
/* EC may return -EBUSY if CCI.busy is set.

View File

@ -37,9 +37,7 @@ static int ucsi_cmd(void *data, u64 val)
case UCSI_SET_USB:
case UCSI_SET_POWER_LEVEL:
case UCSI_READ_POWER_LEVEL:
case UCSI_SET_PDOS:
ucsi->message_in_size = 0;
ret = ucsi_send_command(ucsi, val);
ret = ucsi_send_command(ucsi, val, NULL, 0);
break;
case UCSI_GET_CAPABILITY:
case UCSI_GET_CONNECTOR_CAPABILITY:
@ -54,9 +52,9 @@ static int ucsi_cmd(void *data, u64 val)
case UCSI_GET_ATTENTION_VDO:
case UCSI_GET_CAM_CS:
case UCSI_GET_LPM_PPM_INFO:
ucsi->message_in_size = sizeof(ucsi->debugfs->response);
ret = ucsi_send_command(ucsi, val);
memcpy(&ucsi->debugfs->response, ucsi->message_in, sizeof(ucsi->debugfs->response));
ret = ucsi_send_command(ucsi, val,
&ucsi->debugfs->response,
sizeof(ucsi->debugfs->response));
break;
default:
ret = -EOPNOTSUPP;
@ -111,30 +109,6 @@ static int ucsi_vbus_volt_show(struct seq_file *m, void *v)
}
DEFINE_SHOW_ATTRIBUTE(ucsi_vbus_volt);
static ssize_t ucsi_message_out_write(struct file *file,
const char __user *data, size_t count, loff_t *ppos)
{
struct ucsi *ucsi = file->private_data;
int ret;
char *buf __free(kfree) = memdup_user_nul(data, count);
if (IS_ERR(buf))
return PTR_ERR(buf);
ucsi->message_out_size = min(count / 2, UCSI_MAX_MESSAGE_OUT_LENGTH);
ret = hex2bin(ucsi->message_out, buf, ucsi->message_out_size);
if (ret)
return ret;
return count;
}
static const struct file_operations ucsi_message_out_fops = {
.open = simple_open,
.write = ucsi_message_out_write,
.llseek = generic_file_llseek,
};
void ucsi_debugfs_register(struct ucsi *ucsi)
{
ucsi->debugfs = kzalloc(sizeof(*ucsi->debugfs), GFP_KERNEL);
@ -147,8 +121,6 @@ void ucsi_debugfs_register(struct ucsi *ucsi)
debugfs_create_file("peak_current", 0400, ucsi->debugfs->dentry, ucsi, &ucsi_peak_curr_fops);
debugfs_create_file("avg_current", 0400, ucsi->debugfs->dentry, ucsi, &ucsi_avg_curr_fops);
debugfs_create_file("vbus_voltage", 0400, ucsi->debugfs->dentry, ucsi, &ucsi_vbus_volt_fops);
debugfs_create_file("message_out", 0200, ucsi->debugfs->dentry, ucsi,
&ucsi_message_out_fops);
}
void ucsi_debugfs_unregister(struct ucsi *ucsi)

View File

@ -67,14 +67,11 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo)
}
command = UCSI_GET_CURRENT_CAM | UCSI_CONNECTOR_NUMBER(dp->con->num);
ucsi->message_in_size = sizeof(cur);
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, &cur, sizeof(cur));
if (ret < 0) {
if (ucsi->version > 0x0100)
goto err_unlock;
cur = 0xff;
} else {
memcpy(&cur, ucsi->message_in, ucsi->message_in_size);
}
if (cur != 0xff) {
@ -129,8 +126,7 @@ static int ucsi_displayport_exit(struct typec_altmode *alt)
}
command = UCSI_CMD_SET_NEW_CAM(dp->con->num, 0, dp->offset, 0);
dp->con->ucsi->message_in_size = 0;
ret = ucsi_send_command(dp->con->ucsi, command);
ret = ucsi_send_command(dp->con->ucsi, command, NULL, 0);
if (ret < 0)
goto out_unlock;
@ -197,8 +193,7 @@ static int ucsi_displayport_configure(struct ucsi_dp *dp)
command = UCSI_CMD_SET_NEW_CAM(dp->con->num, 1, dp->offset, pins);
dp->con->ucsi->message_in_size = 0;
return ucsi_send_command(dp->con->ucsi, command);
return ucsi_send_command(dp->con->ucsi, command, NULL, 0);
}
static int ucsi_displayport_vdm(struct typec_altmode *alt,

View File

@ -55,7 +55,8 @@ void ucsi_notify_common(struct ucsi *ucsi, u32 cci)
}
EXPORT_SYMBOL_GPL(ucsi_notify_common);
int ucsi_sync_control_common(struct ucsi *ucsi, u64 command, u32 *cci)
int ucsi_sync_control_common(struct ucsi *ucsi, u64 command, u32 *cci,
void *data, size_t size)
{
bool ack = UCSI_COMMAND(command) == UCSI_ACK_CC_CI;
int ret;
@ -67,20 +68,6 @@ int ucsi_sync_control_common(struct ucsi *ucsi, u64 command, u32 *cci)
reinit_completion(&ucsi->complete);
if (ucsi->message_out_size > 0) {
if (!ucsi->ops->write_message_out) {
ucsi->message_out_size = 0;
ret = -EOPNOTSUPP;
goto out_clear_bit;
}
ret = ucsi->ops->write_message_out(ucsi, ucsi->message_out,
ucsi->message_out_size);
ucsi->message_out_size = 0;
if (ret)
goto out_clear_bit;
}
ret = ucsi->ops->async_control(ucsi, command);
if (ret)
goto out_clear_bit;
@ -97,10 +84,9 @@ out_clear_bit:
if (!ret && cci)
ret = ucsi->ops->read_cci(ucsi, cci);
if (!ret && ucsi->message_in_size > 0 &&
if (!ret && data &&
(*cci & UCSI_CCI_COMMAND_COMPLETE))
ret = ucsi->ops->read_message_in(ucsi, ucsi->message_in,
ucsi->message_in_size);
ret = ucsi->ops->read_message_in(ucsi, data, size);
return ret;
}
@ -117,25 +103,23 @@ static int ucsi_acknowledge(struct ucsi *ucsi, bool conn_ack)
ctrl |= UCSI_ACK_CONNECTOR_CHANGE;
}
ucsi->message_in_size = 0;
return ucsi->ops->sync_control(ucsi, ctrl, NULL);
return ucsi->ops->sync_control(ucsi, ctrl, NULL, NULL, 0);
}
static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci, bool conn_ack)
static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
void *data, size_t size, bool conn_ack)
{
int ret, err;
*cci = 0;
if (ucsi->message_in_size > UCSI_MAX_DATA_LENGTH(ucsi))
if (size > UCSI_MAX_DATA_LENGTH(ucsi))
return -EINVAL;
ret = ucsi->ops->sync_control(ucsi, command, cci);
ret = ucsi->ops->sync_control(ucsi, command, cci, data, size);
if (*cci & UCSI_CCI_BUSY) {
ucsi->message_in_size = 0;
return ucsi_run_command(ucsi, UCSI_CANCEL, cci, false) ?: -EBUSY;
}
if (*cci & UCSI_CCI_BUSY)
return ucsi_run_command(ucsi, UCSI_CANCEL, cci, NULL, 0, false) ?: -EBUSY;
if (ret)
return ret;
@ -167,13 +151,10 @@ static int ucsi_read_error(struct ucsi *ucsi, u8 connector_num)
int ret;
command = UCSI_GET_ERROR_STATUS | UCSI_CONNECTOR_NUMBER(connector_num);
ucsi->message_in_size = sizeof(error);
ret = ucsi_run_command(ucsi, command, &cci, false);
ret = ucsi_run_command(ucsi, command, &cci, &error, sizeof(error), false);
if (ret < 0)
return ret;
memcpy(&error, ucsi->message_in, sizeof(error));
switch (error) {
case UCSI_ERROR_INCOMPATIBLE_PARTNER:
return -EOPNOTSUPP;
@ -219,7 +200,8 @@ static int ucsi_read_error(struct ucsi *ucsi, u8 connector_num)
return -EIO;
}
static int ucsi_send_command_common(struct ucsi *ucsi, u64 cmd, bool conn_ack)
static int ucsi_send_command_common(struct ucsi *ucsi, u64 cmd,
void *data, size_t size, bool conn_ack)
{
u8 connector_num;
u32 cci;
@ -247,7 +229,7 @@ static int ucsi_send_command_common(struct ucsi *ucsi, u64 cmd, bool conn_ack)
mutex_lock(&ucsi->ppm_lock);
ret = ucsi_run_command(ucsi, cmd, &cci, conn_ack);
ret = ucsi_run_command(ucsi, cmd, &cci, data, size, conn_ack);
if (cci & UCSI_CCI_ERROR)
ret = ucsi_read_error(ucsi, connector_num);
@ -256,9 +238,10 @@ static int ucsi_send_command_common(struct ucsi *ucsi, u64 cmd, bool conn_ack)
return ret;
}
int ucsi_send_command(struct ucsi *ucsi, u64 command)
int ucsi_send_command(struct ucsi *ucsi, u64 command,
void *data, size_t size)
{
return ucsi_send_command_common(ucsi, command, false);
return ucsi_send_command_common(ucsi, command, data, size, false);
}
EXPORT_SYMBOL_GPL(ucsi_send_command);
@ -336,8 +319,7 @@ void ucsi_altmode_update_active(struct ucsi_connector *con)
int i;
command = UCSI_GET_CURRENT_CAM | UCSI_CONNECTOR_NUMBER(con->num);
con->ucsi->message_in_size = sizeof(cur);
ret = ucsi_send_command(con->ucsi, command);
ret = ucsi_send_command(con->ucsi, command, &cur, sizeof(cur));
if (ret < 0) {
if (con->ucsi->version > 0x0100) {
dev_err(con->ucsi->dev,
@ -345,8 +327,6 @@ void ucsi_altmode_update_active(struct ucsi_connector *con)
return;
}
cur = 0xff;
} else {
memcpy(&cur, con->ucsi->message_in, sizeof(cur));
}
if (cur < UCSI_MAX_ALTMODES)
@ -530,8 +510,7 @@ ucsi_register_altmodes_nvidia(struct ucsi_connector *con, u8 recipient)
command |= UCSI_GET_ALTMODE_RECIPIENT(recipient);
command |= UCSI_GET_ALTMODE_CONNECTOR_NUMBER(con->num);
command |= UCSI_GET_ALTMODE_OFFSET(i);
ucsi->message_in_size = sizeof(alt);
len = ucsi_send_command(con->ucsi, command);
len = ucsi_send_command(con->ucsi, command, &alt, sizeof(alt));
/*
* We are collecting all altmodes first and then registering.
* Some type-C device will return zero length data beyond last
@ -540,8 +519,6 @@ ucsi_register_altmodes_nvidia(struct ucsi_connector *con, u8 recipient)
if (len < 0)
return len;
memcpy(&alt, ucsi->message_in, sizeof(alt));
/* We got all altmodes, now break out and register them */
if (!len || !alt.svid)
break;
@ -609,15 +586,12 @@ static int ucsi_register_altmodes(struct ucsi_connector *con, u8 recipient)
command |= UCSI_GET_ALTMODE_RECIPIENT(recipient);
command |= UCSI_GET_ALTMODE_CONNECTOR_NUMBER(con->num);
command |= UCSI_GET_ALTMODE_OFFSET(i);
con->ucsi->message_in_size = sizeof(alt);
len = ucsi_send_command(con->ucsi, command);
len = ucsi_send_command(con->ucsi, command, alt, sizeof(alt));
if (len == -EBUSY)
continue;
if (len <= 0)
return len;
memcpy(&alt, con->ucsi->message_in, sizeof(alt));
/*
* This code is requesting one alt mode at a time, but some PPMs
* may still return two. If that happens both alt modes need be
@ -685,9 +659,7 @@ static int ucsi_get_connector_status(struct ucsi_connector *con, bool conn_ack)
UCSI_MAX_DATA_LENGTH(con->ucsi));
int ret;
con->ucsi->message_in_size = size;
ret = ucsi_send_command_common(con->ucsi, command, conn_ack);
memcpy(&con->status, con->ucsi->message_in, size);
ret = ucsi_send_command_common(con->ucsi, command, &con->status, size, conn_ack);
return ret < 0 ? ret : 0;
}
@ -710,9 +682,8 @@ static int ucsi_read_pdos(struct ucsi_connector *con,
command |= UCSI_GET_PDOS_PDO_OFFSET(offset);
command |= UCSI_GET_PDOS_NUM_PDOS(num_pdos - 1);
command |= is_source(role) ? UCSI_GET_PDOS_SRC_PDOS : 0;
ucsi->message_in_size = num_pdos * sizeof(u32);
ret = ucsi_send_command(ucsi, command);
memcpy(pdos + offset, ucsi->message_in, num_pdos * sizeof(u32));
ret = ucsi_send_command(ucsi, command, pdos + offset,
num_pdos * sizeof(u32));
if (ret < 0 && ret != -ETIMEDOUT)
dev_err(ucsi->dev, "UCSI_GET_PDOS failed (%d)\n", ret);
@ -799,9 +770,7 @@ static int ucsi_get_pd_message(struct ucsi_connector *con, u8 recipient,
command |= UCSI_GET_PD_MESSAGE_BYTES(len);
command |= UCSI_GET_PD_MESSAGE_TYPE(type);
con->ucsi->message_in_size = len;
ret = ucsi_send_command(con->ucsi, command);
memcpy(data + offset, con->ucsi->message_in, len);
ret = ucsi_send_command(con->ucsi, command, data + offset, len);
if (ret < 0)
return ret;
}
@ -966,9 +935,7 @@ static int ucsi_register_cable(struct ucsi_connector *con)
int ret;
command = UCSI_GET_CABLE_PROPERTY | UCSI_CONNECTOR_NUMBER(con->num);
con->ucsi->message_in_size = sizeof(cable_prop);
ret = ucsi_send_command(con->ucsi, command);
memcpy(&cable_prop, con->ucsi->message_in, sizeof(cable_prop));
ret = ucsi_send_command(con->ucsi, command, &cable_prop, sizeof(cable_prop));
if (ret < 0) {
dev_err(con->ucsi->dev, "GET_CABLE_PROPERTY failed (%d)\n", ret);
return ret;
@ -1029,9 +996,7 @@ static int ucsi_check_connector_capability(struct ucsi_connector *con)
return 0;
command = UCSI_GET_CONNECTOR_CAPABILITY | UCSI_CONNECTOR_NUMBER(con->num);
con->ucsi->message_in_size = sizeof(con->cap);
ret = ucsi_send_command(con->ucsi, command);
memcpy(&con->cap, con->ucsi->message_in, sizeof(con->cap));
ret = ucsi_send_command(con->ucsi, command, &con->cap, sizeof(con->cap));
if (ret < 0) {
dev_err(con->ucsi->dev, "GET_CONNECTOR_CAPABILITY failed (%d)\n", ret);
return ret;
@ -1415,8 +1380,7 @@ static int ucsi_reset_connector(struct ucsi_connector *con, bool hard)
else if (con->ucsi->version >= UCSI_VERSION_2_0)
command |= hard ? 0 : UCSI_CONNECTOR_RESET_DATA_VER_2_0;
con->ucsi->message_in_size = 0;
return ucsi_send_command(con->ucsi, command);
return ucsi_send_command(con->ucsi, command, NULL, 0);
}
static int ucsi_reset_ppm(struct ucsi *ucsi)
@ -1497,8 +1461,7 @@ static int ucsi_role_cmd(struct ucsi_connector *con, u64 command)
{
int ret;
con->ucsi->message_in_size = 0;
ret = ucsi_send_command(con->ucsi, command);
ret = ucsi_send_command(con->ucsi, command, NULL, 0);
if (ret == -ETIMEDOUT) {
u64 c;
@ -1506,8 +1469,7 @@ static int ucsi_role_cmd(struct ucsi_connector *con, u64 command)
ucsi_reset_ppm(con->ucsi);
c = UCSI_SET_NOTIFICATION_ENABLE | con->ucsi->ntfy;
con->ucsi->message_in_size = 0;
ucsi_send_command(con->ucsi, c);
ucsi_send_command(con->ucsi, c, NULL, 0);
ucsi_reset_connector(con, true);
}
@ -1660,13 +1622,10 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
/* Get connector capability */
command = UCSI_GET_CONNECTOR_CAPABILITY;
command |= UCSI_CONNECTOR_NUMBER(con->num);
ucsi->message_in_size = sizeof(con->cap);
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, &con->cap, sizeof(con->cap));
if (ret < 0)
goto out_unlock;
memcpy(&con->cap, ucsi->message_in, sizeof(con->cap));
if (UCSI_CONCAP(con, OPMODE_DRP))
cap->data = TYPEC_PORT_DRD;
else if (UCSI_CONCAP(con, OPMODE_DFP))
@ -1863,20 +1822,17 @@ static int ucsi_init(struct ucsi *ucsi)
/* Enable basic notifications */
ntfy = UCSI_ENABLE_NTFY_CMD_COMPLETE | UCSI_ENABLE_NTFY_ERROR;
command = UCSI_SET_NOTIFICATION_ENABLE | ntfy;
ucsi->message_in_size = 0;
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, NULL, 0);
if (ret < 0)
goto err_reset;
/* Get PPM capabilities */
command = UCSI_GET_CAPABILITY;
ucsi->message_in_size = BITS_TO_BYTES(UCSI_GET_CAPABILITY_SIZE);
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, &ucsi->cap,
BITS_TO_BYTES(UCSI_GET_CAPABILITY_SIZE));
if (ret < 0)
goto err_reset;
memcpy(&ucsi->cap, ucsi->message_in, BITS_TO_BYTES(UCSI_GET_CAPABILITY_SIZE));
if (!ucsi->cap.num_connectors) {
ret = -ENODEV;
goto err_reset;
@ -1906,8 +1862,7 @@ static int ucsi_init(struct ucsi *ucsi)
/* Enable all supported notifications */
ntfy = ucsi_get_supported_notifications(ucsi);
command = UCSI_SET_NOTIFICATION_ENABLE | ntfy;
ucsi->message_in_size = 0;
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, NULL, 0);
if (ret < 0)
goto err_unregister;
@ -1958,8 +1913,7 @@ static void ucsi_resume_work(struct work_struct *work)
/* Restore UCSI notification enable mask after system resume */
command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy;
ucsi->message_in_size = 0;
ret = ucsi_send_command(ucsi, command);
ret = ucsi_send_command(ucsi, command, NULL, 0);
if (ret < 0) {
dev_err(ucsi->dev, "failed to re-enable notifications (%d)\n", ret);
return;

View File

@ -29,10 +29,6 @@ struct dentry;
#define UCSI_MESSAGE_OUT 32
#define UCSIv2_MESSAGE_OUT 272
/* Define maximum lengths for message buffers */
#define UCSI_MAX_MESSAGE_IN_LENGTH 256
#define UCSI_MAX_MESSAGE_OUT_LENGTH 256
/* UCSI versions */
#define UCSI_VERSION_1_0 0x0100
#define UCSI_VERSION_1_1 0x0110
@ -69,7 +65,6 @@ struct dentry;
* @read_cci: Read CCI register
* @poll_cci: Read CCI register while polling with notifications disabled
* @read_message_in: Read message data from UCSI
* @write_message_out: Write message data to UCSI
* @sync_control: Blocking control operation
* @async_control: Non-blocking control operation
* @update_altmodes: Squashes duplicate DP altmodes
@ -85,8 +80,8 @@ struct ucsi_operations {
int (*read_cci)(struct ucsi *ucsi, u32 *cci);
int (*poll_cci)(struct ucsi *ucsi, u32 *cci);
int (*read_message_in)(struct ucsi *ucsi, void *val, size_t val_len);
int (*write_message_out)(struct ucsi *ucsi, void *data, size_t data_len);
int (*sync_control)(struct ucsi *ucsi, u64 command, u32 *cci);
int (*sync_control)(struct ucsi *ucsi, u64 command, u32 *cci,
void *data, size_t size);
int (*async_control)(struct ucsi *ucsi, u64 command);
bool (*update_altmodes)(struct ucsi *ucsi, u8 recipient,
struct ucsi_altmode *orig,
@ -137,7 +132,6 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
#define UCSI_GET_PD_MESSAGE 0x15
#define UCSI_GET_CAM_CS 0x18
#define UCSI_SET_SINK_PATH 0x1c
#define UCSI_SET_PDOS 0x1d
#define UCSI_READ_POWER_LEVEL 0x1e
#define UCSI_SET_USB 0x21
#define UCSI_GET_LPM_PPM_INFO 0x22
@ -499,12 +493,6 @@ struct ucsi {
unsigned long quirks;
#define UCSI_NO_PARTNER_PDOS BIT(0) /* Don't read partner's PDOs */
#define UCSI_DELAY_DEVICE_PDOS BIT(1) /* Reading PDOs fails until the parter is in PD mode */
/* Fixed-size buffers for incoming and outgoing messages */
u8 message_in[UCSI_MAX_MESSAGE_IN_LENGTH];
size_t message_in_size;
u8 message_out[UCSI_MAX_MESSAGE_OUT_LENGTH];
size_t message_out_size;
};
#define UCSI_MAX_DATA_LENGTH(u) (((u)->version < UCSI_VERSION_2_0) ? 0x10 : 0xff)
@ -567,13 +555,15 @@ struct ucsi_connector {
struct usb_pd_identity cable_identity;
};
int ucsi_send_command(struct ucsi *ucsi, u64 command);
int ucsi_send_command(struct ucsi *ucsi, u64 command,
void *retval, size_t size);
void ucsi_altmode_update_active(struct ucsi_connector *con);
int ucsi_resume(struct ucsi *ucsi);
void ucsi_notify_common(struct ucsi *ucsi, u32 cci);
int ucsi_sync_control_common(struct ucsi *ucsi, u64 command, u32 *cci);
int ucsi_sync_control_common(struct ucsi *ucsi, u64 command, u32 *cci,
void *data, size_t size);
#if IS_ENABLED(CONFIG_POWER_SUPPLY)
int ucsi_register_port_psy(struct ucsi_connector *con);

View File

@ -86,21 +86,6 @@ static int ucsi_acpi_read_message_in(struct ucsi *ucsi, void *val, size_t val_le
return 0;
}
static int ucsi_acpi_write_message_out(struct ucsi *ucsi, void *data, size_t data_len)
{
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
if (!data || !data_len)
return -EINVAL;
if (ucsi->version <= UCSI_VERSION_1_2)
memcpy(ua->base + UCSI_MESSAGE_OUT, data, data_len);
else
memcpy(ua->base + UCSIv2_MESSAGE_OUT, data, data_len);
return 0;
}
static int ucsi_acpi_async_control(struct ucsi *ucsi, u64 command)
{
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
@ -116,19 +101,19 @@ static const struct ucsi_operations ucsi_acpi_ops = {
.read_cci = ucsi_acpi_read_cci,
.poll_cci = ucsi_acpi_poll_cci,
.read_message_in = ucsi_acpi_read_message_in,
.write_message_out = ucsi_acpi_write_message_out,
.sync_control = ucsi_sync_control_common,
.async_control = ucsi_acpi_async_control
};
static int ucsi_gram_sync_control(struct ucsi *ucsi, u64 command, u32 *cci)
static int ucsi_gram_sync_control(struct ucsi *ucsi, u64 command, u32 *cci,
void *val, size_t len)
{
u16 bogus_change = UCSI_CONSTAT_POWER_LEVEL_CHANGE |
UCSI_CONSTAT_PDOS_CHANGE;
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
int ret;
ret = ucsi_sync_control_common(ucsi, command, cci);
ret = ucsi_sync_control_common(ucsi, command, cci, val, len);
if (ret < 0)
return ret;
@ -140,8 +125,8 @@ static int ucsi_gram_sync_control(struct ucsi *ucsi, u64 command, u32 *cci)
if (UCSI_COMMAND(ua->cmd) == UCSI_GET_CONNECTOR_STATUS &&
ua->check_bogus_event) {
/* Clear the bogus change */
if (*(u16 *)ucsi->message_in == bogus_change)
*(u16 *)ucsi->message_in = 0;
if (*(u16 *)val == bogus_change)
*(u16 *)val = 0;
ua->check_bogus_event = false;
}

View File

@ -606,7 +606,8 @@ static int ucsi_ccg_async_control(struct ucsi *ucsi, u64 command)
return ccg_write(uc, reg, (u8 *)&command, sizeof(command));
}
static int ucsi_ccg_sync_control(struct ucsi *ucsi, u64 command, u32 *cci)
static int ucsi_ccg_sync_control(struct ucsi *ucsi, u64 command, u32 *cci,
void *data, size_t size)
{
struct ucsi_ccg *uc = ucsi_get_drvdata(ucsi);
struct ucsi_connector *con;
@ -628,16 +629,16 @@ static int ucsi_ccg_sync_control(struct ucsi *ucsi, u64 command, u32 *cci)
ucsi_ccg_update_set_new_cam_cmd(uc, con, &command);
}
ret = ucsi_sync_control_common(ucsi, command, cci);
ret = ucsi_sync_control_common(ucsi, command, cci, data, size);
switch (UCSI_COMMAND(command)) {
case UCSI_GET_CURRENT_CAM:
if (uc->has_multiple_dp)
ucsi_ccg_update_get_current_cam_cmd(uc, (u8 *)ucsi->message_in);
ucsi_ccg_update_get_current_cam_cmd(uc, (u8 *)data);
break;
case UCSI_GET_ALTERNATE_MODES:
if (UCSI_ALTMODE_RECIPIENT(command) == UCSI_RECIPIENT_SOP) {
struct ucsi_altmode *alt = (struct ucsi_altmode *)ucsi->message_in;
struct ucsi_altmode *alt = data;
if (alt[0].svid == USB_TYPEC_NVIDIA_VLINK_SID)
ucsi_ccg_nvidia_altmode(uc, alt, command);
@ -645,7 +646,7 @@ static int ucsi_ccg_sync_control(struct ucsi *ucsi, u64 command, u32 *cci)
break;
case UCSI_GET_CAPABILITY:
if (uc->fw_build == CCG_FW_BUILD_NVIDIA_TEGRA) {
struct ucsi_capability *cap = (struct ucsi_capability *)ucsi->message_in;
struct ucsi_capability *cap = data;
cap->features &= ~UCSI_CAP_ALT_MODE_DETAILS;
}

View File

@ -88,7 +88,8 @@ static int yoga_c630_ucsi_async_control(struct ucsi *ucsi, u64 command)
static int yoga_c630_ucsi_sync_control(struct ucsi *ucsi,
u64 command,
u32 *cci)
u32 *cci,
void *data, size_t size)
{
int ret;
@ -106,8 +107,8 @@ static int yoga_c630_ucsi_sync_control(struct ucsi *ucsi,
};
dev_dbg(ucsi->dev, "faking DP altmode for con1\n");
memset(ucsi->message_in, 0, ucsi->message_in_size);
memcpy(ucsi->message_in, &alt, min(sizeof(alt), ucsi->message_in_size));
memset(data, 0, size);
memcpy(data, &alt, min(sizeof(alt), size));
*cci = UCSI_CCI_COMMAND_COMPLETE | UCSI_SET_CCI_LENGTH(sizeof(alt));
return 0;
}
@ -120,18 +121,18 @@ static int yoga_c630_ucsi_sync_control(struct ucsi *ucsi,
if (UCSI_COMMAND(command) == UCSI_GET_ALTERNATE_MODES &&
UCSI_GET_ALTMODE_GET_CONNECTOR_NUMBER(command) == 2) {
dev_dbg(ucsi->dev, "ignoring altmodes for con2\n");
memset(ucsi->message_in, 0, ucsi->message_in_size);
memset(data, 0, size);
*cci = UCSI_CCI_COMMAND_COMPLETE;
return 0;
}
ret = ucsi_sync_control_common(ucsi, command, cci);
ret = ucsi_sync_control_common(ucsi, command, cci, data, size);
if (ret < 0)
return ret;
/* UCSI_GET_CURRENT_CAM is off-by-one on all ports */
if (UCSI_COMMAND(command) == UCSI_GET_CURRENT_CAM && ucsi->message_in_size > 0)
ucsi->message_in[0]--;
if (UCSI_COMMAND(command) == UCSI_GET_CURRENT_CAM && data)
((u8 *)data)[0]--;
return ret;
}