diff options
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-ptn5150.c | 43 |
1 files changed, 11 insertions, 32 deletions
diff --git a/drivers/extcon/extcon-ptn5150.c b/drivers/extcon/extcon-ptn5150.c index 051bf374b43f..841c9fe211f1 100644 --- a/drivers/extcon/extcon-ptn5150.c +++ b/drivers/extcon/extcon-ptn5150.c @@ -7,6 +7,7 @@ // Author: Vijai Kumar K <vijaikumar.kanagarajan@gmail.com> // Copyright (c) 2020 Krzysztof Kozlowski <krzk@kernel.org> +#include <linux/bitfield.h> #include <linux/err.h> #include <linux/i2c.h> #include <linux/interrupt.h> @@ -35,29 +36,13 @@ enum ptn5150_reg { #define PTN5150_UFP_ATTACHED 0x2 /* Define PTN5150 MASK/SHIFT constant */ -#define PTN5150_REG_DEVICE_ID_VENDOR_SHIFT 0 -#define PTN5150_REG_DEVICE_ID_VENDOR_MASK \ - (0x3 << PTN5150_REG_DEVICE_ID_VENDOR_SHIFT) +#define PTN5150_REG_DEVICE_ID_VERSION GENMASK(7, 3) +#define PTN5150_REG_DEVICE_ID_VENDOR GENMASK(2, 0) -#define PTN5150_REG_DEVICE_ID_VERSION_SHIFT 3 -#define PTN5150_REG_DEVICE_ID_VERSION_MASK \ - (0x1f << PTN5150_REG_DEVICE_ID_VERSION_SHIFT) - -#define PTN5150_REG_CC_PORT_ATTACHMENT_SHIFT 2 -#define PTN5150_REG_CC_PORT_ATTACHMENT_MASK \ - (0x7 << PTN5150_REG_CC_PORT_ATTACHMENT_SHIFT) - -#define PTN5150_REG_CC_VBUS_DETECTION_SHIFT 7 -#define PTN5150_REG_CC_VBUS_DETECTION_MASK \ - (0x1 << PTN5150_REG_CC_VBUS_DETECTION_SHIFT) - -#define PTN5150_REG_INT_CABLE_ATTACH_SHIFT 0 -#define PTN5150_REG_INT_CABLE_ATTACH_MASK \ - (0x1 << PTN5150_REG_INT_CABLE_ATTACH_SHIFT) - -#define PTN5150_REG_INT_CABLE_DETACH_SHIFT 1 -#define PTN5150_REG_INT_CABLE_DETACH_MASK \ - (0x1 << PTN5150_REG_CC_CABLE_DETACH_SHIFT) +#define PTN5150_REG_CC_PORT_ATTACHMENT GENMASK(4, 2) +#define PTN5150_REG_CC_VBUS_DETECTION BIT(7) +#define PTN5150_REG_INT_CABLE_ATTACH_MASK BIT(0) +#define PTN5150_REG_INT_CABLE_DETACH_MASK BIT(1) struct ptn5150_info { struct device *dev; @@ -95,9 +80,7 @@ static void ptn5150_check_state(struct ptn5150_info *info) return; } - port_status = ((reg_data & - PTN5150_REG_CC_PORT_ATTACHMENT_MASK) >> - PTN5150_REG_CC_PORT_ATTACHMENT_SHIFT); + port_status = FIELD_GET(PTN5150_REG_CC_PORT_ATTACHMENT, reg_data); switch (port_status) { case PTN5150_DFP_ATTACHED: @@ -107,8 +90,7 @@ static void ptn5150_check_state(struct ptn5150_info *info) break; case PTN5150_UFP_ATTACHED: extcon_set_state_sync(info->edev, EXTCON_USB, false); - vbus = ((reg_data & PTN5150_REG_CC_VBUS_DETECTION_MASK) >> - PTN5150_REG_CC_VBUS_DETECTION_SHIFT); + vbus = FIELD_GET(PTN5150_REG_CC_VBUS_DETECTION, reg_data); if (vbus) gpiod_set_value_cansleep(info->vbus_gpiod, 0); else @@ -191,11 +173,8 @@ static int ptn5150_init_dev_type(struct ptn5150_info *info) return -EINVAL; } - vendor_id = ((reg_data & PTN5150_REG_DEVICE_ID_VENDOR_MASK) >> - PTN5150_REG_DEVICE_ID_VENDOR_SHIFT); - version_id = ((reg_data & PTN5150_REG_DEVICE_ID_VERSION_MASK) >> - PTN5150_REG_DEVICE_ID_VERSION_SHIFT); - + vendor_id = FIELD_GET(PTN5150_REG_DEVICE_ID_VENDOR, reg_data); + version_id = FIELD_GET(PTN5150_REG_DEVICE_ID_VERSION, reg_data); dev_dbg(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n", version_id, vendor_id); |