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Message-ID: <20241014040521.24949-1-SkyLake.Huang@mediatek.com>
Date: Mon, 14 Oct 2024 12:05:21 +0800
From: Sky Huang <SkyLake.Huang@...iatek.com>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>, "David S. Miller"
<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Daniel Golle
<daniel@...rotopia.org>, Qingfang Deng <dqfext@...il.com>, SkyLake Huang
<SkyLake.Huang@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>
CC: Steven Liu <Steven.Liu@...iatek.com>, SkyLake.Huang
<skylake.huang@...iatek.com>
Subject: [PATCH net-next 1/1] net: phy: Refactor mediatek-ge-soc.c for clarity and correctness
From: "SkyLake.Huang" <skylake.huang@...iatek.com>
This patch does the following clean-up:
1. Fix spelling errors and rearrange variables with reverse
Xmas tree order.
2. Shrink mtk-ge-soc.c line wrapping to 80 characters.
3. Propagate error code correctly in cal_cycle().
4. Fix some functions with FIELD_PREP()/FIELD_GET().
5. Remove unnecessary outer parens of supported_triggers var.
Signed-off-by: SkyLake.Huang <skylake.huang@...iatek.com>
---
This patch is derived from Message ID:
20241004102413.5838-9-SkyLake.Huang@...iatek.com
---
drivers/net/phy/mediatek-ge-soc.c | 169 ++++++++++++++++++++----------
1 file changed, 112 insertions(+), 57 deletions(-)
diff --git a/drivers/net/phy/mediatek-ge-soc.c b/drivers/net/phy/mediatek-ge-soc.c
index f4f9412..a931832 100644
--- a/drivers/net/phy/mediatek-ge-soc.c
+++ b/drivers/net/phy/mediatek-ge-soc.c
@@ -110,7 +110,7 @@
#define MTK_PHY_CR_TX_AMP_OFFSET_D_MASK GENMASK(6, 0)
#define MTK_PHY_RG_AD_CAL_COMP 0x17a
-#define MTK_PHY_AD_CAL_COMP_OUT_SHIFT (8)
+#define MTK_PHY_AD_CAL_COMP_OUT_MASK GENMASK(8, 8)
#define MTK_PHY_RG_AD_CAL_CLK 0x17b
#define MTK_PHY_DA_CAL_CLK BIT(0)
@@ -342,7 +342,8 @@ static int cal_cycle(struct phy_device *phydev, int devad,
ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1,
MTK_PHY_RG_AD_CAL_CLK, reg_val,
reg_val & MTK_PHY_DA_CAL_CLK, 500,
- ANALOG_INTERNAL_OPERATION_MAX_US, false);
+ ANALOG_INTERNAL_OPERATION_MAX_US,
+ false);
if (ret) {
phydev_err(phydev, "Calibration cycle timeout\n");
return ret;
@@ -350,8 +351,10 @@ static int cal_cycle(struct phy_device *phydev, int devad,
phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
MTK_PHY_DA_CALIN_FLAG);
- ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP) >>
- MTK_PHY_AD_CAL_COMP_OUT_SHIFT;
+ ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP);
+ if (ret < 0)
+ return ret;
+ ret = FIELD_GET(MTK_PHY_AD_CAL_COMP_OUT_MASK, ret);
phydev_dbg(phydev, "cal_val: 0x%x, ret: %d\n", cal_val, ret);
return ret;
@@ -408,16 +411,17 @@ static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf)
static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf)
{
- int i;
- int bias[16] = {};
- const int vals_9461[16] = { 7, 1, 4, 7,
- 7, 1, 4, 7,
- 7, 1, 4, 7,
- 7, 1, 4, 7 };
const int vals_9481[16] = { 10, 6, 6, 10,
10, 6, 6, 10,
10, 6, 6, 10,
10, 6, 6, 10 };
+ const int vals_9461[16] = { 7, 1, 4, 7,
+ 7, 1, 4, 7,
+ 7, 1, 4, 7,
+ 7, 1, 4, 7 };
+ int bias[16] = {};
+ int i;
+
switch (phydev->drv->phy_id) {
case MTK_GPHY_ID_MT7981:
/* We add some calibration to efuse values
@@ -440,40 +444,72 @@ static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf)
}
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
- MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10);
+ MTK_PHY_DA_TX_I2MPB_A_GBE_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_A_GBE_MASK,
+ buf[0] + bias[0]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
- MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]);
+ MTK_PHY_DA_TX_I2MPB_A_TBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_A_TBT_MASK,
+ buf[0] + bias[1]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
- MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10);
+ MTK_PHY_DA_TX_I2MPB_A_HBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_A_HBT_MASK,
+ buf[0] + bias[2]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
- MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]);
+ MTK_PHY_DA_TX_I2MPB_A_TST_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_A_TST_MASK,
+ buf[0] + bias[3]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
- MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8);
+ MTK_PHY_DA_TX_I2MPB_B_GBE_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_B_GBE_MASK,
+ buf[1] + bias[4]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
- MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]);
+ MTK_PHY_DA_TX_I2MPB_B_TBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_B_TBT_MASK,
+ buf[1] + bias[5]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
- MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8);
+ MTK_PHY_DA_TX_I2MPB_B_HBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_B_HBT_MASK,
+ buf[1] + bias[6]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
- MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]);
+ MTK_PHY_DA_TX_I2MPB_B_TST_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_B_TST_MASK,
+ buf[1] + bias[7]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
- MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 8);
+ MTK_PHY_DA_TX_I2MPB_C_GBE_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_C_GBE_MASK,
+ buf[2] + bias[8]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
- MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]);
+ MTK_PHY_DA_TX_I2MPB_C_TBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_C_TBT_MASK,
+ buf[2] + bias[9]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
- MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8);
+ MTK_PHY_DA_TX_I2MPB_C_HBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_C_HBT_MASK,
+ buf[2] + bias[10]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
- MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]);
+ MTK_PHY_DA_TX_I2MPB_C_TST_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_C_TST_MASK,
+ buf[2] + bias[11]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
- MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 8);
+ MTK_PHY_DA_TX_I2MPB_D_GBE_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_D_GBE_MASK,
+ buf[3] + bias[12]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
- MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]);
+ MTK_PHY_DA_TX_I2MPB_D_TBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_D_TBT_MASK,
+ buf[3] + bias[13]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
- MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8);
+ MTK_PHY_DA_TX_I2MPB_D_HBT_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_D_HBT_MASK,
+ buf[3] + bias[14]));
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
- MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]);
+ MTK_PHY_DA_TX_I2MPB_D_TST_MASK,
+ FIELD_PREP(MTK_PHY_DA_TX_I2MPB_D_TST_MASK,
+ buf[3] + bias[15]));
return 0;
}
@@ -662,7 +698,8 @@ static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x)
goto restore;
/* We calibrate TX-VCM in different logic. Check upper index and then
- * lower index. If this calibration is valid, apply lower index's result.
+ * lower index. If this calibration is valid, apply lower index's
+ * result.
*/
ret = upper_ret - lower_ret;
if (ret == 1) {
@@ -691,7 +728,8 @@ static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x)
} else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 &&
lower_ret == 0) {
ret = 0;
- phydev_warn(phydev, "TX-VCM SW cal result at high margin 0x%x\n",
+ phydev_warn(phydev,
+ "TX-VCM SW cal result at high margin 0x%x\n",
upper_idx);
} else {
ret = -EINVAL;
@@ -795,7 +833,8 @@ static void mt7981_phy_finetune(struct phy_device *phydev)
/* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9 */
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
- MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK |
+ MTK_PHY_LPF_X_AVERAGE_MASK,
BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
/* rg_tr_lpf_cnt_val = 512 */
@@ -864,7 +903,8 @@ static void mt7988_phy_finetune(struct phy_device *phydev)
/* TR_OPEN_LOOP_EN = 1, lpf_x_average = 10 */
phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
- MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK |
+ MTK_PHY_LPF_X_AVERAGE_MASK,
BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0xa));
/* rg_tr_lpf_cnt_val = 1023 */
@@ -976,7 +1016,8 @@ static void mt798x_phy_eee(struct phy_device *phydev)
phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_3);
- __phy_modify(phydev, MTK_PHY_LPI_REG_14, MTK_PHY_LPI_WAKE_TIMER_1000_MASK,
+ __phy_modify(phydev, MTK_PHY_LPI_REG_14,
+ MTK_PHY_LPI_WAKE_TIMER_1000_MASK,
FIELD_PREP(MTK_PHY_LPI_WAKE_TIMER_1000_MASK, 0x19c));
__phy_modify(phydev, MTK_PHY_LPI_REG_1c, MTK_PHY_SMI_DET_ON_THRESH_MASK,
@@ -986,7 +1027,8 @@ static void mt798x_phy_eee(struct phy_device *phydev)
phy_modify_mmd(phydev, MDIO_MMD_VEND1,
MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122,
MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
- FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK, 0xff));
+ FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
+ 0xff));
}
static int cal_sw(struct phy_device *phydev, enum CAL_ITEM cal_item,
@@ -1069,10 +1111,10 @@ static int start_cal(struct phy_device *phydev, enum CAL_ITEM cal_item,
static int mt798x_phy_calibration(struct phy_device *phydev)
{
+ struct nvmem_cell *cell;
int ret = 0;
- u32 *buf;
size_t len;
- struct nvmem_cell *cell;
+ u32 *buf;
cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data");
if (IS_ERR(cell)) {
@@ -1146,7 +1188,8 @@ static int mt798x_phy_hw_led_on_set(struct phy_device *phydev, u8 index,
(index ? 16 : 0), &priv->led_state);
if (changed)
return phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ?
- MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL,
+ MTK_PHY_LED1_ON_CTRL :
+ MTK_PHY_LED0_ON_CTRL,
MTK_PHY_LED_ON_MASK,
on ? MTK_PHY_LED_ON_FORCE_ON : 0);
else
@@ -1156,7 +1199,8 @@ static int mt798x_phy_hw_led_on_set(struct phy_device *phydev, u8 index,
static int mt798x_phy_hw_led_blink_set(struct phy_device *phydev, u8 index,
bool blinking)
{
- unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0);
+ unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK +
+ (index ? 16 : 0);
struct mtk_socphy_priv *priv = phydev->priv;
bool changed;
@@ -1169,8 +1213,10 @@ static int mt798x_phy_hw_led_blink_set(struct phy_device *phydev, u8 index,
(index ? 16 : 0), &priv->led_state);
if (changed)
return phy_write_mmd(phydev, MDIO_MMD_VEND2, index ?
- MTK_PHY_LED1_BLINK_CTRL : MTK_PHY_LED0_BLINK_CTRL,
- blinking ? MTK_PHY_LED_BLINK_FORCE_BLINK : 0);
+ MTK_PHY_LED1_BLINK_CTRL :
+ MTK_PHY_LED0_BLINK_CTRL,
+ blinking ?
+ MTK_PHY_LED_BLINK_FORCE_BLINK : 0);
else
return 0;
}
@@ -1210,14 +1256,15 @@ static int mt798x_phy_led_brightness_set(struct phy_device *phydev,
return mt798x_phy_hw_led_on_set(phydev, index, (value != LED_OFF));
}
-static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_FULL_DUPLEX) |
- BIT(TRIGGER_NETDEV_HALF_DUPLEX) |
- BIT(TRIGGER_NETDEV_LINK) |
- BIT(TRIGGER_NETDEV_LINK_10) |
- BIT(TRIGGER_NETDEV_LINK_100) |
- BIT(TRIGGER_NETDEV_LINK_1000) |
- BIT(TRIGGER_NETDEV_RX) |
- BIT(TRIGGER_NETDEV_TX));
+static const unsigned long supported_triggers =
+ BIT(TRIGGER_NETDEV_FULL_DUPLEX) |
+ BIT(TRIGGER_NETDEV_HALF_DUPLEX) |
+ BIT(TRIGGER_NETDEV_LINK) |
+ BIT(TRIGGER_NETDEV_LINK_10) |
+ BIT(TRIGGER_NETDEV_LINK_100) |
+ BIT(TRIGGER_NETDEV_LINK_1000) |
+ BIT(TRIGGER_NETDEV_RX) |
+ BIT(TRIGGER_NETDEV_TX);
static int mt798x_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
unsigned long rules)
@@ -1235,7 +1282,8 @@ static int mt798x_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
static int mt798x_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
unsigned long *rules)
{
- unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0);
+ unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK +
+ (index ? 16 : 0);
unsigned int bit_netdev = MTK_PHY_LED_STATE_NETDEV + (index ? 16 : 0);
unsigned int bit_on = MTK_PHY_LED_STATE_FORCE_ON + (index ? 16 : 0);
struct mtk_socphy_priv *priv = phydev->priv;
@@ -1256,8 +1304,8 @@ static int mt798x_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
if (blink < 0)
return -EIO;
- if ((on & (MTK_PHY_LED_ON_LINK | MTK_PHY_LED_ON_FDX | MTK_PHY_LED_ON_HDX |
- MTK_PHY_LED_ON_LINKDOWN)) ||
+ if ((on & (MTK_PHY_LED_ON_LINK | MTK_PHY_LED_ON_FDX |
+ MTK_PHY_LED_ON_HDX | MTK_PHY_LED_ON_LINKDOWN)) ||
(blink & (MTK_PHY_LED_BLINK_RX | MTK_PHY_LED_BLINK_TX)))
set_bit(bit_netdev, &priv->led_state);
else
@@ -1331,17 +1379,23 @@ static int mt798x_phy_led_hw_control_set(struct phy_device *phydev, u8 index,
if (rules & BIT(TRIGGER_NETDEV_RX)) {
blink |= (on & MTK_PHY_LED_ON_LINK) ?
- (((on & MTK_PHY_LED_ON_LINK10) ? MTK_PHY_LED_BLINK_10RX : 0) |
- ((on & MTK_PHY_LED_ON_LINK100) ? MTK_PHY_LED_BLINK_100RX : 0) |
- ((on & MTK_PHY_LED_ON_LINK1000) ? MTK_PHY_LED_BLINK_1000RX : 0)) :
+ (((on & MTK_PHY_LED_ON_LINK10) ?
+ MTK_PHY_LED_BLINK_10RX : 0) |
+ ((on & MTK_PHY_LED_ON_LINK100) ?
+ MTK_PHY_LED_BLINK_100RX : 0) |
+ ((on & MTK_PHY_LED_ON_LINK1000) ?
+ MTK_PHY_LED_BLINK_1000RX : 0)) :
MTK_PHY_LED_BLINK_RX;
}
if (rules & BIT(TRIGGER_NETDEV_TX)) {
blink |= (on & MTK_PHY_LED_ON_LINK) ?
- (((on & MTK_PHY_LED_ON_LINK10) ? MTK_PHY_LED_BLINK_10TX : 0) |
- ((on & MTK_PHY_LED_ON_LINK100) ? MTK_PHY_LED_BLINK_100TX : 0) |
- ((on & MTK_PHY_LED_ON_LINK1000) ? MTK_PHY_LED_BLINK_1000TX : 0)) :
+ (((on & MTK_PHY_LED_ON_LINK10) ?
+ MTK_PHY_LED_BLINK_10TX : 0) |
+ ((on & MTK_PHY_LED_ON_LINK100) ?
+ MTK_PHY_LED_BLINK_100TX : 0) |
+ ((on & MTK_PHY_LED_ON_LINK1000) ?
+ MTK_PHY_LED_BLINK_1000TX : 0)) :
MTK_PHY_LED_BLINK_TX;
}
@@ -1398,7 +1452,8 @@ static int mt7988_phy_fix_leds_polarities(struct phy_device *phydev)
/* Only now setup pinctrl to avoid bogus blinking */
pinctrl = devm_pinctrl_get_select(&phydev->mdio.dev, "gbe-led");
if (IS_ERR(pinctrl))
- dev_err(&phydev->mdio.bus->dev, "Failed to setup PHY LED pinctrl\n");
+ dev_err(&phydev->mdio.bus->dev,
+ "Failed to setup PHY LED pinctrl\n");
return 0;
}
@@ -1415,7 +1470,7 @@ static int mt7988_phy_probe_shared(struct phy_device *phydev)
* LED_C and LED_D respectively. At the same time those pins are used to
* bootstrap configuration of the reference clock source (LED_A),
* DRAM DDRx16b x2/x1 (LED_B) and boot device (LED_C, LED_D).
- * In practise this is done using a LED and a resistor pulling the pin
+ * In practice this is done using a LED and a resistor pulling the pin
* either to GND or to VIO.
* The detected value at boot time is accessible at run-time using the
* TPBANK0 register located in the gpio base of the pinctrl, in order
--
2.45.2
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