USB: ftdi_sio: checkpatch cleanups (3bb36aa2) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/usb/serial/ftdi_sio.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -61,7 +61,7 @@ static __u16 product;

	struct ftdi_private {		struct ftdi_private {
	struct kref kref;		struct kref kref;
	ftdi_chip_type_t chip_type;		enum ftdi_chip_type chip_type;
	/* type of device, either SIO or FT8U232AM */		/* type of device, either SIO or FT8U232AM */
	int baud_base; /* baud base clock for divisor setting */		int baud_base; /* baud base clock for divisor setting */
	int custom_divisor; /* custom_divisor kludge, this is for		int custom_divisor; /* custom_divisor kludge, this is for

drivers/usb/serial/ftdi_sio.h

+66 −60

Original line number	Original line	Diff line number	Diff line
	@@ -27,8 +27,10 @@
	#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */		#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */
	#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */		#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */
	#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */		#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */
	#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */		#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of
	#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modem status register */		the port */
			#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modem
			status register */
	#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */		#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */
	#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */		#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */
	#define FTDI_SIO_SET_LATENCY_TIMER 9 /* Set the latency timer */		#define FTDI_SIO_SET_LATENCY_TIMER 9 /* Set the latency timer */
	@@ -103,20 +105,21 @@
	* wLength: 0		* wLength: 0
	* Data: None		* Data: None
	* The BaudDivisor values are calculated as follows:		* The BaudDivisor values are calculated as follows:
	* - BaseClock is either 12000000 or 48000000 depending on the device. FIXME: I wish		* - BaseClock is either 12000000 or 48000000 depending on the device.
	* I knew how to detect old chips to select proper base clock!		* FIXME: I wish I knew how to detect old chips to select proper base clock!
	* - BaudDivisor is a fixed point number encoded in a funny way.		* - BaudDivisor is a fixed point number encoded in a funny way.
	* (--WRONG WAY OF THINKING--)		* (--WRONG WAY OF THINKING--)
	* BaudDivisor is a fixed point number encoded with following bit weighs:		* BaudDivisor is a fixed point number encoded with following bit weighs:
	* (-2)(-1)(13..0). It is a radical with a denominator of 4, so values		* (-2)(-1)(13..0). It is a radical with a denominator of 4, so values
	* end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...).		* end with 0.0 (00...), 0.25 (10...), 0.5 (01...), and 0.75 (11...).
	* (--THE REALITY--)		* (--THE REALITY--)
	* The both-bits-set has quite different meaning from 0.75 - the chip designers		* The both-bits-set has quite different meaning from 0.75 - the chip
	* have decided it to mean 0.125 instead of 0.75.		* designers have decided it to mean 0.125 instead of 0.75.
	* This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates		* This info looked up in FTDI application note "FT8U232 DEVICES \ Data Rates
	* and Flow Control Consideration for USB to RS232".		* and Flow Control Consideration for USB to RS232".
	* - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should		* - BaudDivisor = (BaseClock / 16) / BaudRate, where the (=) operation should
	* automagically re-encode the resulting value to take fractions into consideration.		* automagically re-encode the resulting value to take fractions into
			* consideration.
	* As all values are integers, some bit twiddling is in order:		* As all values are integers, some bit twiddling is in order:
	* BaudDivisor = (BaseClock / 16 / BaudRate) \|		* BaudDivisor = (BaseClock / 16 / BaudRate) \|
	* (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5		* (((BaseClock / 2 / BaudRate) & 4) ? 0x4000 // 0.5
	@@ -146,7 +149,7 @@
	* not supported by the FT8U232AM).		* not supported by the FT8U232AM).
	*/		*/

	typedef enum {		enum ftdi_chip_type {
	SIO = 1,		SIO = 1,
	FT8U232AM = 2,		FT8U232AM = 2,
	FT232BM = 3,		FT232BM = 3,
	@@ -154,9 +157,9 @@ typedef enum {
	FT232RL = 5,		FT232RL = 5,
	FT2232H = 6,		FT2232H = 6,
	FT4232H = 7		FT4232H = 7
	} ftdi_chip_type_t;		};

	typedef enum {		enum ftdi_sio_baudrate {
	ftdi_sio_b300 = 0,		ftdi_sio_b300 = 0,
	ftdi_sio_b600 = 1,		ftdi_sio_b600 = 1,
	ftdi_sio_b1200 = 2,		ftdi_sio_b1200 = 2,
	@@ -167,13 +170,12 @@ typedef enum {
	ftdi_sio_b38400 = 7,		ftdi_sio_b38400 = 7,
	ftdi_sio_b57600 = 8,		ftdi_sio_b57600 = 8,
	ftdi_sio_b115200 = 9		ftdi_sio_b115200 = 9
	} FTDI_SIO_baudrate_t;		};

	/*		/*
	* The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor values		* The ftdi_8U232AM_xxMHz_byyy constants have been removed. The encoded divisor
	* are calculated internally.		* values are calculated internally.
	*/		*/

	#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA		#define FTDI_SIO_SET_DATA_REQUEST FTDI_SIO_SET_DATA
	#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40		#define FTDI_SIO_SET_DATA_REQUEST_TYPE 0x40
	#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8)		#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8)
	@@ -287,8 +289,8 @@ typedef enum {
	*		*
	* A value of zero in the hIndex field disables handshaking		* A value of zero in the hIndex field disables handshaking
	*		*
	* If Xon/Xoff handshaking is specified, the hValue field should contain the XOFF character		* If Xon/Xoff handshaking is specified, the hValue field should contain the
	* and the lValue field contains the XON character.		* XOFF character and the lValue field contains the XON character.
	*/		*/

	/*		/*
	@@ -373,7 +375,10 @@ typedef enum {

	/* FTDI_SIO_SET_ERROR_CHAR */		/* FTDI_SIO_SET_ERROR_CHAR */

	/* Set the parity error replacement character for the specified communications port */		/*
			* Set the parity error replacement character for the specified communications
			* port
			*/

	/*		/*
	* BmRequestType: 0100 0000b		* BmRequestType: 0100 0000b
	@@ -496,9 +501,10 @@ typedef enum {
	*		*
	* IN Endpoint		* IN Endpoint
	*		*
	* The device reserves the first two bytes of data on this endpoint to contain the current		* The device reserves the first two bytes of data on this endpoint to contain
	* values of the modem and line status registers. In the absence of data, the device		* the current values of the modem and line status registers. In the absence of
	* generates a message consisting of these two status bytes every 40 ms		* data, the device generates a message consisting of these two status bytes
			* every 40 ms
	*		*
	* Byte 0: Modem Status		* Byte 0: Modem Status
	*		*
	@@ -542,9 +548,9 @@ typedef enum {
	/*		/*
	* OUT Endpoint		* OUT Endpoint
	*		*
	* This device reserves the first bytes of data on this endpoint contain the length		* This device reserves the first bytes of data on this endpoint contain the
	* and port identifier of the message. For the FTDI USB Serial converter the port		* length and port identifier of the message. For the FTDI USB Serial converter
	* identifier is always 1.		* the port identifier is always 1.
	*		*
	* Byte 0: Line Status		* Byte 0: Line Status
	*		*

drivers/usb/serial/ftdi_sio_ids.h

+21 −21

File changed.

Contains only whitespace changes.