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i2c: busses: Use fallthrough pseudo-keyword 

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Acked-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-07-21 18:05:10 -05:00 committed by Wolfram Sang
parent 3f11011573
commit 4db7e1786d
10 changed files with 17 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/i2c/busses/i2c-amd8111.c
View File

@ -381,7 +381,7 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr,
if (status)
return status;
len = min_t(u8, len, I2C_SMBUS_BLOCK_MAX);
/* fall through */
fallthrough;
case I2C_SMBUS_I2C_BLOCK_DATA:
for (i = 0; i < len; i++) {
status = amd_ec_read(smbus, AMD_SMB_DATA + i,

4
drivers/i2c/busses/i2c-aspeed.c
View File

@ -504,7 +504,7 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status)
goto error_and_stop;
}
irq_handled |= ASPEED_I2CD_INTR_TX_ACK;
/* fall through */
fallthrough;
case ASPEED_I2C_MASTER_TX_FIRST:
if (bus->buf_index < msg->len) {
bus->master_state = ASPEED_I2C_MASTER_TX;
@ -520,7 +520,7 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status)
/* RX may not have completed yet (only address cycle) */
if (!(irq_status & ASPEED_I2CD_INTR_RX_DONE))
goto out_no_complete;
/* fall through */
fallthrough;
case ASPEED_I2C_MASTER_RX:
if (unlikely(!(irq_status & ASPEED_I2CD_INTR_RX_DONE))) {
dev_err(bus->dev, "master failed to RX\n");

2
drivers/i2c/busses/i2c-designware-pcidrv.c
View File

@ -90,7 +90,7 @@ static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c)
switch (pdev->device) {
case 0x0817:
dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ;
/* fall through */
fallthrough;
case 0x0818:
case 0x0819:
c->bus_num = pdev->device - 0x817 + 3;

2
drivers/i2c/busses/i2c-digicolor.c
View File

@ -187,7 +187,7 @@ static irqreturn_t dc_i2c_irq(int irq, void *dev_id)
break;
}
i2c->state = STATE_WRITE;
/* fall through */
fallthrough;
case STATE_WRITE:
if (i2c->msgbuf_ptr < i2c->msg->len)
dc_i2c_write_buf(i2c);

8
drivers/i2c/busses/i2c-i801.c
View File

@ -1765,19 +1765,19 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1:
case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2:
priv->features |= FEATURE_IDF;
/* fall through */
fallthrough;
default:
priv->features |= FEATURE_BLOCK_PROC;
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;
/* fall through */
fallthrough;
case PCI_DEVICE_ID_INTEL_82801DB_3:
priv->features |= FEATURE_SMBUS_PEC;
priv->features |= FEATURE_BLOCK_BUFFER;
/* fall through */
fallthrough;
case PCI_DEVICE_ID_INTEL_82801CA_3:
priv->features |= FEATURE_HOST_NOTIFY;
/* fall through */
fallthrough;
case PCI_DEVICE_ID_INTEL_82801BA_2:
case PCI_DEVICE_ID_INTEL_82801AB_3:
case PCI_DEVICE_ID_INTEL_82801AA_3:

9
drivers/i2c/busses/i2c-mv64xxx.c
View File

@ -251,7 +251,7 @@ mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
MV64XXX_I2C_STATE_WAITING_FOR_ADDR_2_ACK;
break;
}
/* FALLTHRU */
fallthrough;
case MV64XXX_I2C_STATUS_MAST_WR_ADDR_2_ACK: /* 0xd0 */
case MV64XXX_I2C_STATUS_MAST_WR_ACK: /* 0x28 */
if ((drv_data->bytes_left == 0)
@ -282,14 +282,14 @@ mv64xxx_i2c_fsm(struct mv64xxx_i2c_data *drv_data, u32 status)
MV64XXX_I2C_STATE_WAITING_FOR_ADDR_2_ACK;
break;
}
/* FALLTHRU */
fallthrough;
case MV64XXX_I2C_STATUS_MAST_RD_ADDR_2_ACK: /* 0xe0 */
if (drv_data->bytes_left == 0) {
drv_data->action = MV64XXX_I2C_ACTION_SEND_STOP;
drv_data->state = MV64XXX_I2C_STATE_IDLE;
break;
}
/* FALLTHRU */
fallthrough;
case MV64XXX_I2C_STATUS_MAST_RD_DATA_ACK: /* 0x50 */
if (status != MV64XXX_I2C_STATUS_MAST_RD_DATA_ACK)
drv_data->action = MV64XXX_I2C_ACTION_CONTINUE;
@ -417,8 +417,7 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data)
"mv64xxx_i2c_do_action: Invalid action: %d\n",
drv_data->action);
drv_data->rc = -EIO;
/* FALLTHRU */
fallthrough;
case MV64XXX_I2C_ACTION_SEND_STOP:
drv_data->cntl_bits &= ~MV64XXX_I2C_REG_CONTROL_INTEN;
writel(drv_data->cntl_bits | MV64XXX_I2C_REG_CONTROL_STOP,

3
drivers/i2c/busses/i2c-synquacer.c
View File

@ -398,8 +398,7 @@ static irqreturn_t synquacer_i2c_isr(int irq, void *dev_id)
if (i2c->state == STATE_READ)
goto prepare_read;
/* fall through */
fallthrough;
case STATE_WRITE:
if (bsr & SYNQUACER_I2C_BSR_LRB) {

2
drivers/i2c/busses/i2c-viapro.c
View File

@ -228,7 +228,7 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
goto exit_unsupported;
if (read_write == I2C_SMBUS_READ)
outb_p(data->block[0], SMBHSTDAT0);
/* Fall through */
fallthrough;
case I2C_SMBUS_BLOCK_DATA:
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE) {

2
drivers/i2c/busses/scx200_acb.c
View File

@ -151,7 +151,7 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status)
case state_repeat_start:
outb(inb(ACBCTL1) | ACBCTL1_START, ACBCTL1);
/* fallthrough */
fallthrough;
case state_quick:
if (iface->address_byte & 1) {

2
drivers/i2c/i2c-slave-eeprom.c
View File

@ -66,7 +66,7 @@ static int i2c_slave_eeprom_slave_cb(struct i2c_client *client,
case I2C_SLAVE_READ_PROCESSED:
/* The previous byte made it to the bus, get next one */
eeprom->buffer_idx++;
/* fallthrough */
fallthrough;
case I2C_SLAVE_READ_REQUESTED:
spin_lock(&eeprom->buffer_lock);
*val = eeprom->buffer[eeprom->buffer_idx & eeprom->address_mask];