aboutsummaryrefslogtreecommitdiff
path: root/drivers/extcon
diff options
context:
space:
mode:
authorLinus Torvalds2019-11-27 10:53:50 -0800
committerLinus Torvalds2019-11-27 10:53:50 -0800
commit8f56e4ebe05c26c30e167519273843476e39e244 (patch)
treec9b76dca50074b3f2dd5d4e54e211daf5f866c46 /drivers/extcon
parent59274c7164807d27b24e6c068dfe734f7bea4623 (diff)
parentb78cda795ac83333293f1bfa3165572a47e550c2 (diff)
Merge tag 'char-misc-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here is the big set of char/misc and other driver patches for 5.5-rc1 Loads of different things in here, this feels like the catch-all of driver subsystems these days. Full details are in the shortlog, but nothing major overall, just lots of driver updates and additions. All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (198 commits) char: Fix Kconfig indentation, continued habanalabs: add more protection of device during reset habanalabs: flush EQ workers in hard reset habanalabs: make the reset code more consistent habanalabs: expose reset counters via existing INFO IOCTL habanalabs: make code more concise habanalabs: use defines for F/W files habanalabs: remove prints on successful device initialization habanalabs: remove unnecessary checks habanalabs: invalidate MMU cache only once habanalabs: skip VA block list update in reset flow habanalabs: optimize MMU unmap habanalabs: prevent read/write from/to the device during hard reset habanalabs: split MMU properties to PCI/DRAM habanalabs: re-factor MMU masks and documentation habanalabs: type specific MMU cache invalidation habanalabs: re-factor memory module code habanalabs: export uapi defines to user-space habanalabs: don't print error when queues are full habanalabs: increase max jobs number to 512 ...
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-intel-cht-wc.c16
-rw-r--r--drivers/extcon/extcon-sm5502.c6
-rw-r--r--drivers/extcon/extcon-sm5502.h2
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/extcon/extcon-intel-cht-wc.c b/drivers/extcon/extcon-intel-cht-wc.c
index 9d32150e68db..771f6f4cf92e 100644
--- a/drivers/extcon/extcon-intel-cht-wc.c
+++ b/drivers/extcon/extcon-intel-cht-wc.c
@@ -338,6 +338,7 @@ static int cht_wc_extcon_probe(struct platform_device *pdev)
struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
struct cht_wc_extcon_data *ext;
unsigned long mask = ~(CHT_WC_PWRSRC_VBUS | CHT_WC_PWRSRC_USBID_MASK);
+ int pwrsrc_sts, id;
int irq, ret;
irq = platform_get_irq(pdev, 0);
@@ -387,8 +388,19 @@ static int cht_wc_extcon_probe(struct platform_device *pdev)
goto disable_sw_control;
}
- /* Route D+ and D- to PMIC for initial charger detection */
- cht_wc_extcon_set_phymux(ext, MUX_SEL_PMIC);
+ ret = regmap_read(ext->regmap, CHT_WC_PWRSRC_STS, &pwrsrc_sts);
+ if (ret) {
+ dev_err(ext->dev, "Error reading pwrsrc status: %d\n", ret);
+ goto disable_sw_control;
+ }
+
+ /*
+ * If no USB host or device connected, route D+ and D- to PMIC for
+ * initial charger detection
+ */
+ id = cht_wc_extcon_get_id(ext, pwrsrc_sts);
+ if (id != INTEL_USB_ID_GND)
+ cht_wc_extcon_set_phymux(ext, MUX_SEL_PMIC);
/* Get initial state */
cht_wc_extcon_pwrsrc_event(ext);
diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
index dc43847ad2b0..bcf65aaca5d2 100644
--- a/drivers/extcon/extcon-sm5502.c
+++ b/drivers/extcon/extcon-sm5502.c
@@ -65,6 +65,10 @@ struct sm5502_muic_info {
/* Default value of SM5502 register to bring up MUIC device. */
static struct reg_data sm5502_reg_data[] = {
{
+ .reg = SM5502_REG_RESET,
+ .val = SM5502_REG_RESET_MASK,
+ .invert = true,
+ }, {
.reg = SM5502_REG_CONTROL,
.val = SM5502_REG_CONTROL_MASK_INT_MASK,
.invert = false,
@@ -272,7 +276,7 @@ static int sm5502_muic_set_path(struct sm5502_muic_info *info,
/* Return cable type of attached or detached accessories */
static unsigned int sm5502_muic_get_cable_type(struct sm5502_muic_info *info)
{
- unsigned int cable_type = -1, adc, dev_type1;
+ unsigned int cable_type, adc, dev_type1;
int ret;
/* Read ADC value according to external cable or button */
diff --git a/drivers/extcon/extcon-sm5502.h b/drivers/extcon/extcon-sm5502.h
index 9dbb634d213b..ce1f1ec310c4 100644
--- a/drivers/extcon/extcon-sm5502.h
+++ b/drivers/extcon/extcon-sm5502.h
@@ -237,6 +237,8 @@ enum sm5502_reg {
#define DM_DP_SWITCH_UART ((DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
| (DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
+#define SM5502_REG_RESET_MASK (0x1)
+
/* SM5502 Interrupts */
enum sm5502_irq {
/* INT1 */